Neuroendocrine Cancer – Short Update from NANETS 2018

NANETS 2018

I would love to go to a NANETS conference but I would need sponsorship or otherwise have to fund my own way there. Seattle sounds like a great place to visit. I would even have been their twitter correspondent had they asked!

I’ve been to the European equivalent twice, they always have theirs in Barcelona it would seem, at least NANETS uses different locations making it more interesting.  It’s a scientific conference for the most part, but I guess some basic stuff is also covered.

However, in the world of instant contact and communications on the internet, together with twitter, one can keep up to speed on what is or has been discussed.  One day, NANETS and ENETS will be sufficiently advanced that we can all watch the presentations from the comfort of our own homes (you heard it here!)

I’ve put together a collection of things I found interesting and offer them here for your perusal and selection via links.

One of the first issues to discuss was the confirmation of the new NANETS management team and board – you will recognise most names here:

Officers (2018 to 2020 Term):

    • Chair: James Howe, MD The University of Iowa Carver College of Medicine
    • Vice Chair: Emily Bergsland, MD The University of California San Francisco School of Medicine
    • Secretary: Jonathan Strosberg, MD Moffitt Cancer Center
    • Treasurer: Pam Kunz, MD Stanford University Medical Center

Board of Directors:

      • Jennifer Chan, MD, MPH (2018-2020) Dana Farber Cancer Institute
      • Thorvardur Halfdanarson, MD (2018-2020) The Mayo Clinic
      • Daniel Halperin, MD (2015-2019) University of Texas MD Anderson Cancer Center
      • Erik Nakakura, MD, Ph.D. Research Committee Board Representative (2018-2020) The University of California San Francisco School of Medicine
      • Rodney Pommier, MD (2018-2020) Oregon Health and Science University
      • Diane Reidy, MD (2015-2019) Memorial Sloan Kettering Cancer Center
      • Simron Singh, MD, Conference Committee Board Representative (2018-2019) Odette Cancer Center at Sunnybrook Health Sciences Center
      • Michael Soulen, MD (2018-2020) The Hospital of the University of Pennsylvania
      • James Yao, MD (2018-2020) University of Texas MD Anderson Cancer Center

Abstract Selection

A selection of poster abstracts below.  There was a lot more but these ones made output on twitter so I guess these were headline acts and probably of interest to patients. The extract texts/short videos I’ve included are probably all that most patients will need but when I have electronic access to the posters, I will update with links if possible and repost for those who would like to see the full detail.

The Value of Genetic Testing in NETs

This cover two posters, one for Neuroendocrine Carcinoma (very interesting) and the other covering Neuroendocrine Tumours (i.e. well differentiated NETs).  Click on the title above or click here.

An Update on Lung NET Guidelines

Some interesting snippets here and an indication that the most comprehensive Lung NET Guidelines are those produced by ENETS by Caplin et al.   Click on the title above or click here.

A Comprehensive Look at Update and Developments in NETs (Dr Thorvardur Haldanasron).

Interesting summary of new stuff in trials. Plus some interesting bits on SI NETs and pNETs.  Click on the title or click here.   There’s also a short video of Dr Haldanasron (slightly different content) – click here.

Sequencing of Lanreotide Can Improve Outcomes in Patients With Advanced GEP-NETs

Interesting trial output looking at the potential benefits of Lanreotide after Octreotide.  Click on the title or click here.

Dr Scott Paulson on Current Challenges in the NETs Treatment Landscape

Interesting and as with many specialist videos I’ve seen, sequencing of treatment remains challenging.  Text and video inside.  Click on the title to see more or click here.

Debating Best First-Line Treatment in Well-Differentiated G3 NENs

As you will know from my staging and grading article, there is now a Grade 3 well differentiated tumour status (called a NET rather than a Neuroendocrine Carcinoma).  However, there is not yet enough data to work out the optimum treatments, which may, in certain circumstances, be different from their poorly differentiated counterparts (Neuroendocrine Carcinoma).  Click on the title above or click here.

Examining the Benefits of Integrative Oncology, Nutrition in NETs

An unmet need – very interesting text.  Click on the title or click here.

Dr Heloisa Soares Discusses the Roles of Somatostatin Analogs in GEP-NETs

Dr Soares discusses the two roles of Somatostatin analogs: treating symptoms related to the tumors and controlling tumor growth.  Complete with video. Click on the title or click here.

Analysis Demonstrates Effectiveness, Patient Satisfaction With Lanreotide in GEP-NETs

Interesting data analysis about Lanreotide.  Click on the title or click here.

Ipsen Presents Data on Somatuline Depot at the North American Neuroendocrine Tumor Society (NANETS) Annual Symposium

Some very interesting stuff in here including comparisons with Octreotide.  Click on the title or click here.

Immunotherapy -Hits, Misses With New Therapies for Neuroendocrine Tumors

You may be prompted for a login, if so, let me know, I will post you the content.  The ‘misses’ is mainly the fact that Keytruda (Pembrolizumab) does not look good as a single agent treatment for high grade NEC. Headline is “Pembrolizumab, though generally well tolerated, showed limited activity as a single agent in high-grade neuroendocrine neoplasms (NENs) in this study,” Arvind Dasari, MD, of MD Anderson Cancer Center in Houston, and colleagues concluded.”  Some other interesting points though.   Click on the title above or click here.

 

Thanks for reading

Ronny

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Diabetes – The NET Effect


My chest infection is now settled, as too is the excitement and apprehension behind my first ever Ga68 PET – the outcome of that is still a work in progress. Earlier this year, my thyroid ‘lesion’ on watch and wait was given a ‘damping down’ with the prescription of a thyroid hormone supplement but I await a re-ignition of that small bush fire downstream.

Bubbling behind the scenes and clamoring for attention is the spiking of my blood glucose test results and I was very recently declared ‘at risk’ for diabetes One of my followers entitled a post in my group with “The hits keep coming” in reference to encountering yet another problem in the journey with Neuroendocrine Cancer. I now know how she feels, this issue is a bit of a ‘left fielder’. However, having analysed the situation and spoken to several doctors, I can now put pen to paper.

Neuroendocrine Cancer is not a household name (…… I’m working on that) but diabetes certainly is. The World Health Organisation reports that the number of adults living with diabetes has almost quadrupled since 1980 to 422 million adults. In USA, estimates from CDC stated around 10 million people diagnosed with diabetes with a further 84 million in pre-diabetes state (at risk). In UK around 3.7 million people have diabetes with about 4 times that amount ‘at risk’. It’s a growth industry (…….. but so is NETs – in the last 40 years, the incidence of NETs is rising at a faster rate than diabetes, a disease which some writers have described as an epidemic).

With those numbers, it follows that many NET patients will be diabetic before diagnosis, some will succumb to diabetes whether they have NETs or not, and some may have an increased risk of succumbing due to their treatment. Some may even be pushed into diabetes as a direct result of their NET type or treatment. It’s important to understand diabetes in order to understand why certain types of NET and certain treatments could have an involvement.

The Pancreas

For understanding of this article, it’s worth noting the pancreas has two main functions: an exocrine function that helps in digestion and an endocrine function that regulates blood sugar. I have talked about the exocrine function in relationship to Neuroendocrine Cancer at length – check out this article on Pancreatic Enzyme Replacement Therapy. In this article, I now want to cover the issues with the endocrine function and blood sugar. First a short primer on diabetes – it is necessarily brief for the purposes of this article.

 

Diabetes Primer

TypeS OF DIABETES

Type 1 and Type 2 Diabetes are fairly well-known. There’s actually more than two types, but these are the most common. Type 2 is the most prevalent with around 90% of diabetes cases. When you’ve got Type 1 diabetes, you can’t make any insulin at all. If you’ve got Type 2 diabetes, the insulin you make either can’t work effectively, or you can’t produce enough of it. Additional types may come up in the subsequent discussion.

What is the problem?

What all types of diabetes have in common is that they cause people to have too much glucose (sugar) in their blood. But we all need some glucose. It’s what gives us our energy. We get glucose when our bodies break down the carbohydrates that we eat or drink. And that glucose is released into our blood. We also need a hormone called insulin. It’s made by our pancreas, and it’s insulin that allows the glucose in our blood to enter our cells and fuel our bodies.

If you don’t have diabetes, your pancreas senses when glucose has entered your bloodstream and releases the right amount of insulin, so the glucose can get into your cells. But if you have diabetes, this system doesn’t work properly. Diabetes is associated by being overweight but there isn’t a 100% correlation with that. However, when an individual becomes overweight, there is an increase in free fatty acids in the blood stream which may contribute to reduced insulin sensitivity in the tissues, leading to increased glucose levels in blood.

Symptoms and diagnosis of Diabetes

Different people develop different symptoms. In diabetes, because glucose can’t get into your cells, it begins to build up in your blood. And too much glucose in your blood causes a lot of different problems. To begin with it leads to diabetes symptoms, like having to wee a lot (particularly at night), being incredibly thirsty, and feeling very tired. You may also lose weight, get infections like thrush or suffer from blurred vision and slow healing wounds.

I see these symptoms mentioned very frequently and normally people are trying to associate them with NETs and/or the treatment for NETs.

Diabetes diagnosis is normally triggered diagnosed based on blood tests such as fasting Blood Glucose (snapshot) and/or Glycated Hemoglobin (A1C) or HbA1C.

Complications

Over a long period of time, high glucose levels in your blood can seriously damage your heart, your eyes, your feet and your kidneys. These are known as the complications of diabetes.

But with the right treatment and care, people can live a healthy life. And there’s much less risk that someone will experience these complications.

What are the direct connections with Diabetes and NETs?

It’s not surprising that diabetes is mostly associated with Neuroendocrine Tumors of the Pancreas but there are other areas of risk for other types of NETs including to those who are existing diabetics – see below.

Surgery

The main types of surgery for Neuroendocrine Tumors of the Pancreas are Distal Pancreatectomy (tail), Sub-total pancreatectomy (central/tail), Classic Whipple (pancreaticoduodenectomy – head and/or neck of pancreas), Total pancreatectomy (remove the entire pancreas) or an Enucleation (scooping out the tumour with having to remove too much surrounding tissue). From the PERT article link above (exocrine function), you can see why some people need this treatment to offset issues of reduced production of pancreatic enzymes. The same issue can develop with a reduced endocrine function leading to the development of diabetes.

NET Syndromes

The different types of functional pancreatic NETs often called syndromes in their own right due to their secretory role. One might think that Insulinomas are connected to diabetes issues but this hormonal syndrome is actually associated with low blood sugar (hypoglycemia), although low blood sugar can turn out to be a complication of diabetes treatment.

A NET syndrome known as Glucagonoma (a type of functional pancreatic NET) is associated with high blood glucose levels. About 5-10% of pancreatic neuroendocrine tumors are Glucagonomas, tumors that produce an inappropriate abundance of the hormone glucagon. Glucagon balances the effects of insulin by regulating the amount of sugar in your blood. If you have too much glucagon, your cells don’t store sugar and instead sugar stays in your bloodstream. Glucagonoma therefore leads to diabetes-like symptoms (amongst other symptoms). In fact Glucagonoma is sometimes called the 4D syndrome – consists of diabetes, dermatitis, deep venous thrombosis (DVT), and depression.

Another functional pancreatic NET known as Somatostatinoma is prone to developing insulin resistance. Somatostatinomas produce excessive amounts of somatostatin which interferes with the insulin/glucagon function and could therefore lead to diabetes.

Diabetes caused by cancer or cancer treatment

Worth noting that this type of diabetes is sometimes known as ‘Pancreatogenic diabetes’ and this is actually classified by the American Diabetes Association and by the World Health Organization as type 3c diabetes mellitus (T3cDM) and refers to diabetes due to impairment in pancreatic endocrine function due to acute cancer and cancer treatment (and several other conditions). The texts tend to point to cancers (and other conditions) of the pancreas rather than system wide. Prevalence data on T3cDM are scarce because of insufficient research in this area and challenges with accurate diabetes classification in clinical practice. (Authors note: Slightly confusing as many text say that type 3 diabetes is proposed for insulin resistance in the brain (diabetes associated with Alzheimer’s disease).  There’s another term for a complete removal of the entire pancreas – Pancreoprivic Diabetes

Other treatment risks

Somatostatin Analogues (e.g. Octreotide and Lanreotide) are common drugs used to control NET Syndromes and are also said to have an anti-tumor effect. They are known to inhibit several hormones including glucagon and insulin and consequently may interfere with blood glucose levels. The leaflets for both drugs clearly state this side effect with a warning that diabetics who have been prescribed the drug, should inform their doctors so that dosages can be adjusted if necessary. The side effects lists also indicates high and low blood glucose symptoms indicating it can cause both low and high blood glucose (hypoglycemia and hyperglycemia). For those who are pre-diabetic or close to pre-diabetic status, there is a possibility that the drug may push blood tests into diabetic ranges.
Afinitor (Everolimus). The patient information for Afinitor (Everolimus) clearly states Increased blood sugar and fat (cholesterol and triglycerides) levels in blood: Your health care provider should do blood tests to check your fasting blood sugar, cholesterol and triglyceride levels in the blood before you start treatment with AFINITOR and during treatment with AFINITOR”
Sutent (Sunitinib). The patient information for Sutent (Sinitinib) clearly states that low blood sugar (hypoglycemia) is a potential side effect. It also advises that low blood sugar with SUTENT may be worse in patients who have diabetes and take anti-diabetic medicines. Your healthcare provider should check your blood sugar levels regularly during treatment with SUTENT and may need to adjust the dose of your anti-diabetic medicines.

In rare cases, certain NETs may produce too much Adrenocorticotropic hormone (ACTH), a substance that causes the adrenal glands to make too much cortisol and other hormones. This is often associated with Cushing’s syndrome. Cortisol increases our blood pressure and blood glucose levels with can lead to diabetes as a result of untreated Cushing’s syndrome.

Summary

I think it’s sensible for all NET patients, particularly those with involvement as per above and who are showing the signs of hypoglycemia and hyperglycemia, to be checked regularly for blood glucose and if necessary HbA1c. Many patient information leaflets for the common NET treatments also indicate this is necessary. Always tell your prescribing doctors if you are a diabetic or about any history of low or high blood glucose before treatment for NETs.

My brush with Diabetes (as at Jan 2019)

My blood glucose levels started to climb slightly in 2016 but HbA1c remained normal. However, an HbA1c test in early 2018 put me into pre-diabetic range (44 mmoL/moL). I explained some of the above article to my GP who is corresponding with a diabetes expert at secondary care – the expert suggested that I need to be monitored carefully as weight loss is not necessarily the best response. I have kept my NET team up to date.

At the time of updating, two separate and sequential HbA1c tests (3 month interval) came back normal at 36 mmoL/moL.  I’m pragmatic enough to know that I do not need to lose weight as one of the aims of reducing my blood glucose and HbA1c levels (something emphasised by the above mentioned diabetes specialist).

I even got on my bike to do a little bit more exercise just in case!

At this point, I cannot yet say if this is the beginning of progressive Type II diabetes or if my medication is causing these spikes in my blood glucose and HbA1c. Judging by 2 x normal HbA1c, looks like the somatostatin analogue (Lanreotide in my case) may caused a spike to a pre-diabetes score.  I will keep you posted.

Summary – if you are noticing these symptoms, get your blood sugar checked (with acknowledgement to Dr Pantalone from Cleveland Clinic)

1. You’re making more trips to the bathroom

Having to go to the bathroom more than normal, particularly at night, is a sign that your blood sugar might be out of whack.

Dr. Pantalone says one of his patients came in for a diagnosis after a family member noticed that he was using the bathroom during each commercial break when they watched TV.

2. You’re getting frequent urinary or yeast infections

When your blood sugar is high and your kidneys can’t filter it well enough, sugar ends up in the urine. More sugar in a warm, moist environment can cause urinary tract and yeast infections, especially in women.

3. You’re losing weight without trying

If you have diabetes, your body isn’t able to use glucose (sugar) as effectively for its energy. Instead, your body will start burning fat stores, and you may experience unexpected weight loss.

4. Your vision is getting worse

High sugar levels can distort the lenses in your eyes, worsening your vision. Changes in your eyeglass prescription or vision are sometimes a sign of diabetes.

5. You’re feeling fatigued or exhausted

Several underlying causes of fatigue may relate to diabetes/high sugar levels, including dehydration (from frequent urination, which can disrupt sleep) and kidney damage.

This feeling of exhaustion is often persistent and can interfere with your daily activities, says Dr Pantalone.

6. You’re noticing skin discoloration

Something that Dr. Pantalone often sees in patients before a diabetes diagnosis is dark skin in the neck folds and over the knuckles. Insulin resistance can cause this condition, known as acanthosis nigricans.

 

Thanks for reading

Ronny

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

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Neuroendocrine Cancer Clinical Trial: Advanced Oncology Formula enterade®

Mechanism-of-Action-enterade-video-copy

Diarrhea is a huge subject for NET patients, whether it’s caused by the tumor itself (i.e. a syndrome), due to treatment, knock on effects of treatment, or some other reason, it can dramatically limit qualify of life.  Working out the root cause can be problematic even for medical teams. I wrote about these issues before in my article Neuroendocrine Cancer – the diarrhea jigsaw. So when I saw the data from a trial of something called enterade®, I was immediately drawn to investigate.  I don’t normally write articles on over the counter commercial products but this one is an exception given that it has been classed as a medical food since 2012 and is also used to rehydrate patients undergoing radiotherapy and chemotherapy for cancer (so not just for NETs).

What is enterade® ?

It’s a drink currently produced in 8oz bottles.  It’s a first-in-class, glucose-free medical food i.e. it is intended to be used under the supervision of a healthcare provider.  The solution comprises five critical amino acids – Valine, Aspartic Acid, Serine, Threonine, Tyrosine and electrolytes – potassium and sodium.

What does it do?

It’s designed to help manage debilitating gastrointestinal (GI) side effects. With no sugar to exacerbate the GI tract, enterade® supports the small bowel’s ability to absorb fluids, nutrients, and electrolytes and leads to improved digestive function. By helping to restore normal GI function, enterade® reduces diarrhea and dehydration, leading to a significant improvement in the patient’s overall quality of life and a healthier GI tract.

Is there evidence that it works?

Since May 2017, it’s been trialled by University of Kentucky Markey Cancer Center (MCC) for potential use by NET patients – trial coordinators include the well-known NET specialist Dr Lowell Anthony.  The results so far are very interesting.  The recent  conference reported revised data as follows:

  • 33 of 41 patients (80%) reported subjective improvement in diarrheal symptoms.
  • 51% (21/41) reported more than 50% reduction in diarrhea frequency.
  • click here or on the poster below to see the trial poster data output.
asco poster enterade as a graphic
click to read full screen

As you will see from the poster, there were a wide range of patient types including (but not limited to) small intestinal NETs, bronchial NETs, NETs of unknown primary, gastric NETS, pancreatic NETs and one high grade neuroendocrine carcinoma of the prostate.

A follow on Phase 2 trial is now recruiting  with the following detail available:

1. Up to 30 patients will be recruited.

2. The trial is coordinated by Markey Cancer Centre, Kentucky.

3.  There will be two cohorts, those with carcinoid syndrome and those without.

4.  The trial will run from December 2018 to August 2020.

  • Click here to see the trial information – important to note the inclusion and exclusion criteria.
  • Read the trial start announcement by clicking here.
  • Please also note there’s a plan for a follow on trial covering more locations.  I will update further when known.

Can I buy Enterade now?  

The product is available in North America on Amazon.com,  www.enterade.com and 1-855-enterade.  However, the parent company (Entrinsic Health) recently announced a partnership with global company  Nestlé Health Science to provides worldwide commercial license and supply agreement for enterade®. The announcement is linked here:

NORWOOD, Mass., November 15, 2018 – Entrinsic Health Solutions (EHS), an innovative health sciences company, today announced that they have entered into a partnership with Nestlé Health Science (NHSc), a global innovative leader pioneering premium-quality, science-based nutritional health solutions. The partnership gives NHSc the exclusive rights to market EHS’s enterade® product.

Disclaimer

Please note this is not a recommendation to go out and buy the product.  It is actually described as a ‘medical food’ and is formulated to be consumed or administered under the supervision of a physician.

Further reading:

1. Enterade FAQ – click here

2. A breakthrough for NET Patients. click here.

3. Recent output from ASCO 2018 – click here. (contact data update for 2018)

4. If you are interested in more information about how enterade® works, check out this short video

Disclaimer

Please note this is not a recommendation to go out and buy the product.  It is actually described as a ‘medical food’ and is formulated to be consumed or administered under the supervision of a physician.

Thanks for reading

Ronny

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!


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I now take food with my medicine!


vitamin-supplements_650x450-002

If you want to strike up a friendly conversion with a Brit, ask him or her about the weather – we’re really famous for our weather conversations and they normally focus on rain or clouds!  However, despite the famous British ‘reserve’ and ‘stiff upper lip’, they also frequently talk about being ‘under the weather’, a phrase meaning slightly unwell or in low spirits.

I find myself smiling at some of the conversations I hear in medical establishment waiting rooms, particularly the potentially long wait for blood tests.  Here, conversations bypass the weather and focus on being under the weather! I thought I was a regular when I started to recognise people in the queue (line!) and their pill conversations.  Statements such as “Yes, I just started a ‘blue chap’ ” (medical names are sometimes hard to pronounce).  Normally followed by “I’m on that one too and I take it along with my yellow and white chaps“.  Some people seem to be taking a veritable rainbow of ‘chaps’.  Strangely, some people appear to be quite proud of how many ‘chaps’ they take. I tend to maintain the traditional British reserve and a stiff upper lip in waiting rooms, so I keep quiet (actually I’m just happy to be inside away from the weather!).

I might join in one day and I wonder if they would be impressed with my tally of chaps? I have a funny feeling my tally of drugs is nothing compared to some of you guys and hope you will comment to prove me right! I don’t think I’m proud to give you my list but here’s my ‘chaps’, some prescription, some over the counter:

  • Apixaban (Eliquis).  To prevent a recurrence of pulmonary emboli (PE). Unfortunately, I had PE after my big surgery in 2010. 2 per day.
  • Pancreatic Enzyme Replacement Therapy (Creon).  Recently added, anything between 6 and 12 per day depending on what I eat.  Check out this article on PERT.  Check out this article on Malabsorption with references to NET dietitians.
  • Multi-Vitamin (50+ age).  I’ve actually been taking these since a few years before diagnosis in 2010.  NET patients can be at risk of vitamin and mineral deficiencies.  Check out this article on the issues and with references to NET dietitians.
  • Vitamin B Complex. This was added in 2013 to mainly tackle low B12 (despite my multi-vit containing 400% RDA) and it seemed to help with fatigue.  Read more here.
  • Vitamin D3. This was also added in 2013 to tackle low Vit D levels (again, despite my multi-vit containing 200% RDA). 10µg (400iu).  D3 is normally the recommended form of Vitamin D to take, easiest to absorb and more natural.  Vitamin D3 is also known as cholecalciferol.  Many people who do not live in sunny countries are probably deficient or borderline already.
  • Probiotic.  This was also added in 2013 to try to offset some of the abdominal issues that many NET patients seem to have.  I take a 5 billion dose and it seems to help.  Check out this article with references to NET dietitians.
  • Omega 3.  This is also something I had been taking since before my diagnosis.  I think I took it for a couple of reasons, my diet did not really include foodstuffs containing Omega 3 and I was experiencing some joint pain in my hands.  I just never stopped taking it.  Dose size 1000mg.
  • Lanreotide (Somatuline Autogel).  An injection rather than a pill/capsule.  Quite a big chap!  You can read all about my relationship with Lanreotide by clicking here.
  • Levothyroxine. One 50mcg tablet each morning.  My blood tests are indicating hypothyroidism – check out my whole thyroid story by clicking here.  All NET patients need to keep an eye on thyroid levels.  Read why here.
  • Seretide and Ventolin.  These are asthma drugs, a preventer and a reliever respectively.  I hardly ever take the latter nowadays.  I had mild asthma as a child, it went at 16 and came back at 35.  I take 2 puffs of Seretide night and day.  Seems to help.  Ventolin seems to be only required if I have a cold or flu thing going on.

Of course, most people have lots of other stuff in the ‘medicine box’ ready for ad hoc issues as they arise (pain killers, imodium, cough mixture, anti-histamines, indigestion, etc etc).   I could go on forever.

Please always consult your specialists or dietitian about the requirements for drugs and supplements.  You may not actually need them.  I only take my supplements after very careful consideration, in reaction to low blood vitamin/mineral tests and listening to what ‘NET aware’ dietitians say (you’ll find references in some of the articles above).

Warning:  You should always think carefully about over the counter stuff (including online) as there’s a lot of ‘scammers’ out there selling counterfeit supplements.  Always buy from a reputable source.  With supplements, remember in most countries they are not regulated in the same way as medicines so it’s worthwhile checking they are compliant with regional food supplements directives.  The supplements provider I use is actually approved by the Medicines and Healthcare Products Regulatory Agency (MHRA) covering UK.  I’m sure there will be similar approval organisations where you live.  Also be careful of some claims about the miracle cure of certain food supplements.  There are plenty sites with fake health news online (check out my article on this – click here).

You should be clear why you take supplements and try to consult with a specialist or dietitian for advice.

Finally, don’t forget to take your chaps, they should help you keep well!

Neuroendocrine Cancer and Pancreatic Enzyme Replacement Therapy (PERT) – the Digested Version (Nutrition Series Article 5)


pancreatic enzyme replacement therapy nutrition article 5

After 7 years of avoiding pancreatic enzyme replacement therapy (PERT), I finally asked for some on a trial basis at the end of 2017.  To be honest, for some time, I thought they were really only needed in the NET world for those with pancreatic issues (pNETs).  I’ve always known I’ve had some digestive issues related to malabsorption. However, I’m not losing weight – this has been stable for some years (but see below).  Plus my key vitamin levels (B12 and D) are in range.  However, I had been struggling with a lot of bloating issues, thus the trial.  You know me, I like to research and analyse such things! I’ve actually written about a lot of these issues in my Nutrition series ….. so this is now ‘Article Number 5’.

Crash Course. We eat food, but our digestive system doesn’t absorb food, it absorbs nutrients. Food has to be broken down from things like steak and broccoli into its nutrient pieces: amino acids (from proteins), fatty acids and cholesterol (from fats), and simple sugars (from carbohydrates), as well as vitamins, minerals, and a variety of other plant and animal compounds. Digestive enzymes, primarily produced in the pancreas and small intestine, break down our food into nutrients so that our bodies can absorb them.

Background

Some of the common symptoms of NETs are gas, bloating, cramping and abdominal pain and the root cause of these issues can sometimes be as a result of insufficient ‘digestive’ enzymes.  They are primarily produced in the pancreas (an exocrine function) and the small intestine but also in the saliva glands and the stomach.  This post will focus on pancreas and to a certain extent, the small intestine.  There are actually some key tell-tale signs of a pancreatic enzyme deficiency, such as steatorrhoea which is described as an excess of fat in faeces, the stool may float due to trapped air, the stool can be pale in colour, may be foul-smelling, and you may also notice droplets of oil or a ‘slick’ in the toilet pan.  Steatorrhoea is mainly (but not always) due to malabsorption of fat from the diet and this can actually be caused or made worse by somatostatin analogues which are known to inhibit the supply of pancreatic enzymes. Of course if fat is not being absorbed, then the key nutrients your body needs to function properly might not be either.  The signs from that might not be so noticeable but can be even more problematic over time. Please see Article 1.

Those who have had surgery, in particular, in GI tract/digestive system, are at risk of malabsorption; as are those prescribed somatostatin analogues (Lanreotide/Octreotide) as these drugs can inhibit digestive enzymes, causing or adding to the malabsorption effect.  For those who need to read more, see Article 2.

One way to combat these issues when they are caused by pancreatic insufficiency is with Pancreatic Enzyme Replacement Therapy (PERT) which can mimic the normal digestive process. However, this is not the whole story as there could be numerous reasons for these issues, perhaps even some which are unrelated to NETs. If you are in doubt about whether you suffer from malabsorption and/or any form of digestive enzyme insufficiency, you should consult your doctors.

Pancreatic Enzyme Replacement Therapy

Many NET patients succumb to malabsorption due to pancreatic insufficiency and are prescribed Pancreatic Enzyme Replacement Therapy, or PERT for short.  There are various brands available (e.g. Creon®, Nutrizym®, Pancrease HL® or Pancrex®). Most are in capsule form in various doses.

How does PERT work? Most people experiencing the issues above are going to benefit from a multiple-enzyme replacement which tend to include the key ones such as:

  • protease which breakdown proteins (e.g meat, fish, seafood, dairy, nuts, etc)
  • lipase which break down fats (e.g from many different foods)
  • amylase which breaks down starchy carbohydrates (e.g. potatoes, bread, rice, pasta, cereals, fruits, fibre, etc).

The dose sizes tend to be based on the amount of lipase, i.e. a 25,000 strength would mean 25,000 units of lipase and (normally) a lesser amount of amylase and protease.  The entire mix of enzymes may be given a name, e.g. ‘Pancreatin’ or ‘Pancrealipase’.  You will be given a number of capsules to be used from your prescribing doctor.

The pancreatic enzyme capsule is swallowed along with food and digests food as they pass through the gut. If your capsules contain an enteric coat or enteric coated granules (delayed release), they should not be affected by stomach acid. The replacement enzymes will help to break down food allowing the nutrients to be absorbed beyond the stomach (i.e. in the small intestine). Do not be alarmed at the dose sizes, a healthy pancreas will release about 720,000 lipase units during every meal!

Frequently Asked Questions (FAQ)

When I first started taking the supplements, I thought of numerous questions, many of which I could not find definitive answers to! Different sites say different (and contradictory) things.  Clearly, you should always consult your prescribing doctor and the medicine patient information leaflet. That said, I found the patient information leaflet which came with the capsules is just not detailed enough for an inquisitive patient such as myself!

I always like to refer to best practice which is why I’ve consulted one of the top NET Dietitians, Tara Whyand of Royal Free London. She agreed to an online Q&A session on 28 Feb 2018.  This took place on my private Facebook group click here or search Facebook for this group “Neuroendocrine Cancer – Ronny Allan’s Group“.  Join, answer some simple questions and then your application will be processed.

The output from the online with with Tara Whyand is below:

Thanks for attending the online event. Here is a tidy summary of the many comments. I hope this is also useful for those who were unable to attend.

  1. Why would I need PERT and are there any tests that can be done to validate this?

“Somatostatin analogues, pancreatic surgery, pancreatitis and cystic fibrosis can cause exocrine pancreatic insufficiency (EPI). This means that the pancreas does not produce enough enzymes to break down food. It results in fatty loose stools called steatorrhoea.

Patients who have exocrine pancreatic insufficiency (EPI) require PERT (pancreatic enzyme replacement therapy) to break down food (fat, protein and carbohydrate). There are many brands of pancreatic enzymes, the most commonly used are Creon and Nutrizyme. Both have different dose levels to choose from.

The fecal elastase test was traditionally used to test the function of the pancreas, although it may not be that useful in NETs. This is because a NET team in Wales found that some NET patients who reported steatorrhoea had a false negative result.

Steatorrhoea may also be a result of bile acid malabsorption and small intestinal bacterial overgrowth which can co-exist and are common especially after surgery. They can both be tested for at a hospital.”

Supplementary Questions:

1a. Would the treatment be different for both EPI and bile acid malabsorption? If not how different?

“Yes BAM requires bile acid sequestrants rather than PERT”.

1b. would this be something you would take in general to help overall digestion and absorption of nutrients?

“No only if you have reasons for EPI to occur”.

  1. PERT dosage. Is there a set dosage for all patients or does it depend on type of NET or surgery? And can I overdose on PERT?

“It depends on what you eat. PERT dose is normally tailored on fat content (the more fat you have, the more enzymes you need), but patients who have had a total pancreatectomy will have to have PERT for all food and drink (apart from water) as carbohydrate and protein needs to be broken down too.”

Supplementary Questions

2a. “What about when taking medication such as Cholesteramine or pills in the morning and evening. Do I need to take it to absorb these?”

“see question 5”.

2b. I had a total pancreatectomy and was told I do not need PERT for fruit and veg?

“there’s carbs in all fruit and veg and often fat and protein too, so no different really.”

  1. Some sources say to take the capsules at the beginning of a meal, some say it’s also at the end of a meal is also OK. How critical is this?

“You must always take the capsules at the beginning of the meal and if the meal goes on longer than ~30 minutes, or there are several courses, you will need to have another capsule/tablet/scoop of enzymes. If you don’t, food will pass by the pancreas undigested and ‘malabsorption occurs. This leads to fatty stools (steatorrhoea), fat soluble vitamin deficiency and weight loss. Unbroken down food can also feed bacteria and you can develop small intestinal bacterial overgrowth as a result.”

Supplementary Questions

3a. so if my oncologist says to take four capsules per meal, then I should take all four at the same time?

“see question 11”

3b. if you have had a total gastrectomy (total removal of the stomach), is there a different procedure for taking PERT? I am on Creon and have heard that perhaps I need to open up the capsules as I can not break down the gelatin casing. Not sure if this is true or not.

“See question 11”

  1. What is a meal? Is it multiple courses, or is there a strategy for each individual course? What about snacks? (i.e. a single biscuit with a cup of tea)

“The standard starting dose for snacks: 22-25,000 units lipase, titrating up when symptoms have not resolved. Most people end up taking 44,000-50,000 for snacks.

For main meals start on 44,000/50,000 and most people will need 66,000-100,000 units lipase/meal for the long term.”

Supplementary Questions:

4a. I have to eat multiple small meals a day (like every 3 hours, so 7 to 8 small meals). Is there a limit on the amount of Creon I can take in a day?

“see question 11”

4b. What is a snack?

“No official definition. Something with a little fat and maybe 50-200kcals.

  1. Are there any problems taking PERT at the same time as other drugs? e.g. I like to take my vitamin supplements with food. And it’s recommended that some drugs be taken with food.

“PERT only breaks down food, but it is important to take your PERT to ensure food and drugs are absorbed. If you do not take you PERT with the meal, it is likely that food and drugs will rush through your bowel without being absorbed. There is no problem taking vitamins and minerals with food and PERT.

Supplementary Questions:

5a. I take a probiotic also, when is best time to take this, before, during or after food?

“Timing doesn’t matter”

  1. I heard PERT is a porcine produce but I’m a vegan? Is there anything else for me?

There are no other recommended products, and you should only have prescription PERT’s. This is for safety and reliability. Other off the shelf enzymes are unlikely to work.

Pigs are not slaughtered for PERT, they are slaughtered for meat and enzymes are a by-product if that makes anyone feel more comfortable with the idea.”

  1. I heard PERT is a porcine produce but my religion does not allow me to eat such produces. Is there anything else for me?

“PERT are only sourced from a pigs pancreas but Jewish and Muslim patients have been granted approval to take the enzymes on medical grounds from their religious leaders because there is no alternative.”

  1. Some doctors are prescribing PPIs along with PERT claiming that they help the PERT do the job. Do you have a view on this and are there any general diet tips to support the job of PERT without resorting to other drugs?

“Yes if you have had a whipples operation or you have acid reflux you must take an anti-acid (proton-pump inhibitor-PPI) drug to reduce the acid level. If left untreated it can cause ulcers, and when they bleed it can sometimes lead to a life threatening situation. PERT are gastro-resistant-they do not work in too high an acid environment. Sometimes a PPI / H2 blocker can decrease the acid level and allow the PERT to work better. There is no other reliable way of reducing stomach acid.

Note: Ronny Allan input that there is information published about the over-subscribing of PPI for long term use. Additionally that some NET specialists are suggesting a preference for H2 Blockers rather than PPI for NET Patients. H2 Receptor Blockers include Nizatidine (Axid), Famotidine (Pepcid, Pepcid AC), Cimetidine (Tagamet, Tagamet HB), Ranitidine (Zantac). The exceptions would be for PPI therapy necessary for Barrett’s Esophagus and Zollinger Ellison Syndrome (Gastrinoma). Read my article on PPIs by clicking here

Supplementary Questions:

8a. I had a whipples two and a half years ago and have recently stopped taking omperazole as I didn’t seem to need them. Do you think I should still be taking something to reduce acid level anyway?

“yep think you should be on Ranitadine or a PPI long term.”

8b. Is it possible to suffer from excess acid without even knowing it? I also take probiotics, is it possible they could be minimising any excess acid? Also, I seem to be able to eat whatever I want without consequence but am worried now in case I am doing wrong and storing up trouble for myself.

yes you can have silent reflux but after a total pancreatectomy you needs lots of adjustments and insulin dosing advice.”

9. How will I know the PERT is working for me? And are there any tests to validate this?

“You will know if your PERT is working well if your symptoms improve – i.e. you get normal (mid brown and formed) stools.

Patients taking enough PERT will not become fat soluble vitamin deficient or lose weight in the long term.

You could do a fecal elastase test (if stools are not liquid), but this is not a very reliable test especially for patients with NETs.

If symptoms do not resolve entirely, there may be a co-existing cause of malabsorption e.g. bile acid malabsorption or small intestinal bacterial overgrowth.”

Supplementary Questions:

9a. With regards to Question 9, how would you know if you have bile acid malabsorption or SIBO? Can you be tested for those?

“If PERT doesn’t resolve things, SIBO testing is another thing to look at using a lactulose drink and hydrogen breath test. If the NET is in the terminal ileum, bile acid malabsorption (BAM) is likely. The test is a SeHCAT scan and treatment usually Questran or Colesevelam.

  1. If I need to stop taking PERT, do I just stop or do I need to taper off consumption over time?

“No, just stop. But only do so if it has caused a side effect and report the reaction to the doctor and pharmaceutical company. If you don’t think they are working, speak with a specialist Dietitian and you may need a PPI or H2 blocker or change brand/dose.”

  1. If someone has had a total gastrectomy, can they take Creon? If so, do they need to open up the pill to remove the gelatin to help the enzymes to work?

“They are to be taken as normally directed. You can open capsules but only into an acidic fruit juice (a pH of 4.5 or below) and swallow immediately. It could be argued that PERT will work most easily in patients having a gastrectomy as you cannot get too high a stomach acid level without stomach P-cells. By the way, shouldn’t be any gelatin in the prescribed PERT”

Supplementary Questions:

11a. Are there any problems with taking too much in a day? I have to have 7 to 8 meals (minimum). I am losing weight. Take with every snack and meal?

“You can overdose – for Creon this is 6000 units lipase per kg of body weight. If you are still losing weight, PERT is not working or something else is the cause of malabsorption”

  1. SUPPLEMENTARY QUESTIONS AT THE END

12A. My steatorrhoea only occurs once/twice a month. Is PERT indicated if steatorrhoea is not chronic?

“Yes, probably need to take all month as steatorrhoea is only a sign of extreme malabsorption, small amounts of malabsorption aren’t noticeable visibly but will reflect in weight and blood vitamin levels.”

12B. I do not need Creon as I am a Lung NET; although I have had my gall bladder removed.

“May need PERT if on somatostatin analogues. Some people take a bile acid sequestrants after gall bladder removal. PERT won’t work for that.”

Summary

I’ve always known about issues such as steatorrhoea and vitamin/mineral deficiency. My weight is fine but very happy to trial PERT to see the differences. I made a mistake of starting the capsules on Dec 23rd just before Christmas – it made for an interesting week!  Early days so far but I’m getting used to taking them (and remembering to take them ….). Still seeing signs of steatorrhoea but am tracking this against diet.  Not seeing any change to stool frequency. I would appear to be belching more though!  I will keep this post live as I learn more.

You may wish to see the output from an online chat I carried out, the link is above.

UPDATE 1st Feb 2019.  After 1 year, I’m not sure if there has been any difference to signs of malabsorption with Creon, although the supplement did help with weight gain in the period Oct – Dec 2018 after a dose increase. I had lost weight earlier in 2018 due to a bad chest infection and was having trouble regaining it.  Despite the success with the weight gain, that is no long an issue, so I commenced a 3 month trial of Nutrizym to see any change in intermittent but frequent steatorrhea, which potentially indicates a continuing malabsorption issue.

You may also enjoy these articles:

“Nutrition Article 1 – Vitamin/Mineral Risks”click here.

“Nutrition Article 2 – GI Malabsorption”click here.

“Nutrition Article 3 – SIBO/Probiotics”click here

“Nutrition Article 4 – Food for Thought – amines etc”click here

Post publishing edit:  “I feel like I now take food with my medicine” 🙂

Read a Gut Surgery Diet Booklet authored by Tara – CLICK HERE

Thanks for reading

Ronny

I’m also active on Facebook. Like my page for even more news. I’m also building up this site here: Ronny Allan

Disclaimer

My Diagnosis and Treatment History

Most Popular Posts

Sign up for my twitter newsletter

Read my Cure Magazine contributions

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!



patients included

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NET Cancer Blog – Top 6 posts of 2017

Top 6 posts

These are my top performing posts for 2017 – comprising one eighth of my entire hits for the year.  My blog hits for 2017 almost reached a quarter of a million, double that of 2016 which was double that of 2015.  A chunk of these figures can be attributed to most of these articles.  Please share to maintain the momentum.

Top 6 posts for 2017 (Click on each article title to read) Short Description Hits in 2017
The Human Anatomy of Neuroendocrine Cancer Making the point that Neuroendocrine Cancer is not confined to a particular part of the body 9,906
Neuroendocrine Cancer Syndromes – Early Signs of a Late Diagnosis All about syndromes 7,546
Neuroendocrine Neoplasms – Grade and Stage (incorporating WHO 2017 changes) The very latest information (particularly about grading) 7,027
Neuroendocrine Cancer – no treats, just tricks A very powerful awareness message.  It was only published 2 months ago and is already the 10th most read post in over 220 since this site was set up. 6,083
Steve Jobs – the most famous Neuroendocrine Cancer Ambassador we NEVER had Love him or hate him, he generates external hits on my site – you could say he is now helping with Neuroendocrine Cancer awareness.  It also debunks the Pancreatic Cancer myth 6,046
Ignore this post about Neuroendocrine Cancer Another very powerful awareness message – it is also the most tweeted post about NETs on twitter 4,812

Thanks for reading

You may also enjoy my article “10 Questions to ask your Doctor” – click here.

Most Viewed Posts – click here

Thanks for reading

Ronny

I’m also active on Facebook.  Like my page for even more news. Help me build up my new site here – click here and ‘Like’

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My Diagnosis and Treatment History

Sign up for my twitter newsletter

Check out my Podcast Interview (click and press play)

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

patients included


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Living with Neuroendocrine Cancer – the 7 Year Itch

7 year itch

I quite like the Facebook memory thing. This morning I got a reminder of a post I made from 7 years ago whilst I was in hospital recovering from my 9 Nov surgery.  It had taken 12 days for me to feel strong enough to venture onto social media with a simple message “I’m feeling perkier”.  For those not familiar with English localisms, it just means lively, spirited, bright, sunny, cheerful, animated, upbeat, buoyant, bubbly, cheery, bouncy, genial, jaunty, chirpy, sprightly, vivacious, in fine fettle, full of beans, bright-eyed and bushy-tailed.  I guess I met some of these descriptors most of the time! I had gotten through the worst and the light at the end of the tunnel was now a faint glimmer.

I’ve recently had a ton of ‘7 years ago cancerversaries’ and there’s still a few to go! I’m currently being reminded of an issue that started just after my initial treatment and by coincidence (perhaps?) the commencement of my Lanreotide (Somatuline Autogel).  Itching!  However, for me, it’s mainly the right leg below the knee (go figure!). Much less frequently on my arms and sides.  I know many people have the same issue but no-one ever seems to find out why – I guess it’s that Neuroendocrine jigsaw thing again?

Initially, I put the issue down to Lanreotide, as this is mentioned in the side effect list on the drug instructions.  The initial connection was made because it seemed to be happening immediately after my monthly ‘dart’.  A really annoying itch mostly around my ankles and which had to be scratched!  An application of a general emollient cream for a few days seemed to do the trick and after a week it was gone (until the next injection …..). However, after a few years, I sensed the issue was drifting away from the injection cycle and adopting a different and more random pattern.  I’m also suspicious of a nutritional connection and checking my article Nutrition for NETs -Vitamins and Mineral Challenges, I can see Vit B3 (Niacin) and Vit E are mentioned in regards skin issues.  I’d be confused if this was an issue today as I now take plenty supplements to offset GI malabsorption.  However, I probably wasn’t taking sufficient between surgery and 2013 as I lacked the knowledge to do so at the time.  So nutritional deficiency remains a possibility or at least an added complication.  The most recent outbreak has unusually gone on for the last 4 weeks.

I also seem to have had an eczema type issue in my right ear and mild rosacea for more than 7 years (pre diagnosis).  As you can imagine my ‘inner detective’ is working overtime!  One thing is clear – this itchy leg issue has plagued me for 7 years.

I know that many people have real issues with rashes and skin itching, I’ve seen this so many times with some people describing it as severe.  Clearly when this is the case, a doctor’s intervention is generally required.  I’ve seen the following connections to NETs and skin issues:

Weight – the NET Effect

Weight – The NET Effect

Firstly, let me say that I have no intention of advising you how to lose or gain weight!  Rather, I’d like to discuss what factors might be involved and why people with NETs might lose or gain weight either at diagnosis or after treatment.  Clearly I can talk freely about my own experience and associated weight issues. If nothing else, it might help some in thinking about what is causing their own weight issues.

I wrote a patient story for an organisation over 3 years ago and it started with the words  “Did you mean to lose weight”.  Those were actually the words a nurse said to me after I nonchalantly told her I thought I’d lost some weight (….about half a stone).  I answered the question with “no” and this response triggered a sequence of events that led to all the stories in all the posts in this blog (i.e. my diagnosis).

I annoyingly can’t remember at which point I started to lose the weight but I was initially reported to have Iron Deficiency Anemia due to a low hemoglobin result and my subsequent iron test (Serum Ferritin) was also low and out of normal range.  This, combined with the weight loss, the GP was spot on by referring me to a clinic.  The sequence of events during the referral led to a diagnosis of metastatic NETs (Small Intestine Primary). If I had been a betting man, I would have put money on my GP thinking “Colorectal Cancer”.  So my adage “If your doctors don’t suspect something, they won’t detect anything” applies.

I can also tell you that I weigh myself most days at the same time using the same scales. Weight loss or gain needs to be recorded.  Clearly 2 or 3 pounds is nothing to worry about, I found you could put on or lose that amount in a day, depending on time of weighing and food intake. I’m looking for downwards or upwards trends of 7lbs or more (3kg).

Why did I lose weight?

The drop from 12st to 11st was clearly something to do with the anemia symptom (the NETs). But after diagnosis, I had major surgery about 10 weeks later.  When I left the hospital after my 19 day stay, I was a whole stone lighter (14 lbs or 6.3 kg).  I guess 3 feet of intestine, the cecum, an ascending colon, a bit of a transverse colon together with an army of lymph nodes and other abdominal ‘gubbins’ actually weighs a few pounds.

However, add the gradual introduction of foods to alleviate pressure on the ‘new plumbing’, and this is also going to have an effect on weight.  I remember my Oncologist after the surgery saying to use full fat milk – the context is lost in memory but I guess he was trying to help me put weight back on.  I also vividly remember many of my clothes not fitting me after this surgery. In fact, since 2010, I’ve actually dropped 2 trouser sizes and one shirt/jumper size.  I did spend a lot of time in the toilet over the coming months, so I guess that also had an impact!  However, what I wasn’t aware of was the side effect of my surgery.  I started to put on some weight in time for my next big surgery – a liver resection.  The average adult liver weighs 1.5 kg so I lost another 1 kg in one day based on a 66% liver resection.

However, what was also going on was something that took me a while to figure out – malabsorption and vitamin/mineral deficiency. My new ‘plumbing’ wasn’t really as efficient as my old one, so the malabsorption. issues caused by a lack of terminal ileum was slowly starting to have an effect. The commencement of Lanreotide in Dec 2010 added to this complication. That knowledge led me to understand some of the more esoteric nutritional issues that can have a big effect on NET patients and actually lead to a host of side effects that might be confused with one of the several NET syndromes.  What it also confirmed to me was that I could still eat foods I enjoy without worrying too much about the effect on my remnant tumours or the threat of a recurrence of my carcinoid syndrome, something I was experiencing prior to and after diagnosis.

Armed with the ‘consequences of NETs’ knowledge, I did eventually adjust my diet and my weight has now ‘flat-lined’ at around 10 st 7 lbs (give or take 1 or 2 lbs fluctuation).  Amazingly, the same weight I was when I left hospital after major surgery, looking thin and gaunt and not very well at all!  The difference to day is that I have adapted to my new weight and look fit and healthy.

I actually lost another half a stone (7 lbs or 3.5 kg) in 2014 whilst training for an 84 mile charity walk – many commented that I looked thin and gaunt despite being extremely fit from all the training. Perspectives.  It took several months to put the weight back on but at least I knew what had caused the loss and then subsequent gain.

I don’t have any appetite issues although I try to avoid big meals due to a shorter gut, so I snack more.  With the exception of the 4 months of intense training for the 84 mile hike, I cannot seem to lose or gain weight.  As my current weight is bang in the middle of the BMI green zone (healthy), I’m content.

Why do NET patients lose weight?

That’s a tricky one but any authoritative resource will confirm fairly obvious things such as (but not limited to) loss of appetite and side effects of cancer treatments.  NETs can be complex so I resorted to researching the ISI Book on NETs, a favourite resource of mine.  I wanted to check out any specific mentions of weight and NETs whether at diagnosis or beyond. Here’s some of the things I found out:

Carcinoid Syndrome.  Weight loss is listed but not as high a percentage as I thought – although it tends to be tied into those affected most with diarrhea.

Gastrinoma/Zollinger-Ellison Syndrome.  Up to half of these patients will have weight loss at diagnosis.

Glucagonoma.  90% will have weight loss.

Pheochromocytoma.   Weight loss is usual.

Somatostatinoma.  Weight loss in one-third of pancreatic cases and one-fifth in intestinal cases.

VIPoma.  Weight loss is usual.

MEN Syndromes.  One of the presentational symptoms can be weight loss.

Secondary Effects of NETs.

Many NETs can result in diabetes (particularly certain pNETs) and as somatostatin analogues can inhibit insulin, it could push those at borderline levels into formal diabetic levels (including any type of NET using long term somatostatin analogues).  In people with diabetes, insufficient insulin prevents the body from getting glucose from the blood into the body’s cells to use as energy. When this occurs, the body starts burning fat and muscle for energy, causing a reduction in overall body weight. 

Hypothyroidism is another potential issue. 

It must be emphasised that there will always be exceptions and the above will not apply to every single patient with one of the above.

Suggested reading for putting weight back after surgery

An excellent reference document produced by Royal Free Hospital, authored by Tara Whyand and distributed via the NET Patient Foundation – hints and tips for different types of NET by anatomy:  click here

What about weight gain?

You always associate weight loss with cancer patients but there are some types of NETs and associated syndromes which might actually cause weight gain.  Here’s what I found from ISI and other sources (as mentioned):

Cushing’s Syndrome.  Centripetal weight gain is mentioned.  (Centripetal – tends to the centre of the body).  I also noted that Cushing’s Syndrome tends to be much more prevalent in females. Cushing’s syndrome comprises the signs and symptoms caused by excessive amounts of the hormone cortisol (hypercortisolism) or by an overdosage of drugs known as glucocorticoids.

Insulinoma. Weight gain occurs in around 40% of cases, because patients may eat frequently to avoid symptoms.  However, according to an Insulinoma support group site, I did note that after treatment (some stability), things can improve.

Again, it must be emphasised that there will always be exceptions and the above will not apply to every single patient with one of the above.  As in weight loss scenarios, the Secondary Effects of NETs can have an effect.  Hypothyroidism is another potential issue and weight gain is a listed symptom.  I just been diagnosed with hypothyroidism this year but I was not gaining weight!  

The NETs Jigsaw

Like anything in NETs, things can get complex.  So it is entirely possible that weight loss or weight gain is directly caused by NETs, can be caused by side effects/secondary effects of treatment, and it’s also possible that it could be something unrelated to NETs (Dr Liu “Even NET patients get regular illnesses“).  I guess some people might have a good idea of the reason for theirs – my initial weight loss was without doubt caused by the cancer and the post diagnostic issues caused by the consequences of the cancer.

Summary

I guess that weight loss or weight gain can be a worry. I also suspect that people might be happy to lose or gain weight if they were under/over weight before diagnosis (every cloud etc).  However, if you are progressively losing weight, I encourage you to seek advice soonest or ask to see a dietician (preferably one who understands NETs).

Edit:  I changed my blood thinner in May 2017 and lost 2kg (4 pounds) after 6 months.

Edit: I started Creon at the beginning of 2018 (read about this here) and almost immediately put on 2kg (4 pounds) to offset the 2kg loss from 6 months prior.  However, no real change after 3 months of Creon (March 2018).

Edit: I was recently diagnosed with Hypothyroidism, one of the symptoms can be weight gain.  Clearly that has not applied to me.  Hyperthyroidism is the opposite condition where weight loss is a symptom.

Edit: Due to a bad chest infection in June 2018 and due to the consequences of the effects of that illness and most likely the treatments undergone, I have dropped three quarters of a stone (~10lbs).  My lightest weight for over 30 years.   To me that is a significant loss of weight in such a short space of time. Currently trying to put it back on again – I need the weight!

Edit: 4 Sep 2018. After the 10lbs (~4.5kg) loss following the chest infection, people who see me regularly have noticed the visible difference. I’m still struggling to get back beyond 10st after 2 months. I’m monitoring this really closely.

Edit: 28 Nov 2018. I’m back at 10st after increasing my dosage of Creon.

Edit: 10 Jan 2019.  I’m back at 10st 3lbs, my approximate weight before the chest infection.  It’s taken 7 months and the recent acceleration coincides with Creon dose increase.

Edit 7th Feb 2019.  Changed from Creon to Nutrizym.

Edit: 17 Mar 2019.  It appears my trouser waist size is back to 32″.  Is the use of Pancreatic Enzymes making me eat more, or getting more nutrients through, or making me eat food which makes me put on weight?

For those wishing to see the output from an online discussion with Tara Whyand on the subject of ‘Weight’ issues for NET patients – please see this link inside my closed Facebook group.

weight online chat
Click the Link to see the online event output

Thanks for reading

Ronny

I’m also active on Facebook. Like my page for even more news. I’m also building up this site here: Ronny Allan

Disclaimer

My Diagnosis and Treatment History

Most Popular Posts

Sign up for my twitter newsletter

Read my Cure Magazine contributions

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

patients included

Please Share this post

 

NETwork with Ronny © – Community Newsletter SEPTEMBER 2017

Hi NETworkers!

Welcome to my monthly ‘Community’ newsletter. This is September 2017’s monthly summary of Ronny Allan’s Community news, views and ICYMI (in case you missed it!).

NET News

The following news items may be of interest:

 
  • The European Commission (EC) approved Lu-177 Lutathera (PRRT) on 28 Sep.  This is the first time the drug has ever been approved, despite being in use for  over 10 years.  In USA, the FDA gave a date of 28 Jan 2018 for its decision to approve or not.  Read more here.
 
  • The European Commission approved the use of XERMELO (telotristat ethyl) for use in Carcinoid Syndrome diarrhea not adequately controlled by somatostatin analogues. Read more here.
 
  • The US FDA approved an add-on indication for Lanreotide (Somatuline) for treatment of carcinoid syndrome, adding when used, it reduces the frequency of short-acting somatostatin analogue rescue therapy (….. ergo Octreotide).  Read more here.
 
  • GA-68 PET (NETSPOT) continues to roll out across the USA, see CCFs latest list by clicking here.

 

 
  • The WEGO Health Finalists were announced on 25 Sep and I’m through to the finals in all 3 awards which you nominated me for. Many thanks for the support!  I posted this info here.

Blog Site?  

Due to the vagaries of Facebook inner workings, some of these may not have even shown on your timeline.  So, ICYMI …….here’s a summary with links, includes updated blogs. You can actually sign up to receive my blog articles direct to your inbox when published – subscribe here.

 
 
 
  • The Invisible NET Patient Population.  Centred on the issue of a cohort of as yet undiagnosed people with NETs; or have been labelled with another cancer; or have been told their cancer is benign and therefor not recorded.
 
  • The WEGO Health Finalists were announced on 25 Sep and I’m through to the finals in all 3 awards which you nominated me for. Many thanks for the support!  I posted this info here.

 Other Activity

September was a slower month in ‘new’ blogging terms mainly due to personal activities (holiday) and the consequences of being ‘contactable’ by a large internet footprint! Striking a balance remains difficult, I’m keen to support and advocate but as a patient, I also need my own time.  I’m currently seeing a trend of low ‘new’ blog months, mainly due to external projects and a continuous stream of offline messages from patients (more on this later) – my strategy is constantly under review.  However, despite a low month for brand new blogs, I still managed to break through 20,000 views for the 4th month in a row…….. Thank you all so much for the support.

Please join my 2017 awareness campaign event here (select ‘Going’)

I continue to receive a steady flow of private contacts, mainly from patients seeking information.  I don’t have an issue with private contact but please note my disclaimer.  Please also note that I cannot accept telephone calls on a one to one basis.  Also, the number of non-patients contacting me for other reasons (mainly to help with something) continues to grow and this is producing some great publicity and awareness.

Awareness Activity in September 2017

New Audiences for NET Cancer.  From Day 1, I said it was my aim to find new audiences for NETS rather than just share stuff within our own community.

  • Article features.  I was featured in a well shared and positive article entitled A revolution in the treatment of Neuroendocrine Tumors. A very positive look at the new treatments coming through. I didn’t agree with some of the content but ‘hey ho’ I cannot control what others write.  You can check out the article by clicking here.
  • Twitter.
    • I took part in a patient chat on twitter where I was able to contribute to some general cancer questions.  It was attended by many patient advocates representing many different conditions. The taking part in these activities is time-consuming and hard work but it does allow me to grow as a general patient advocate and to occasionally mention “Neuroendocrine Cancer” spreads awareness to new audiences.  A summary of the conversation can be found here.
    • I’m ‘extremely’ active on twitter and I find a lot of my research stuff there. I also use it to support other conditions and it’s mostly returned (i.e. others help with NET awareness and are made aware of NETs in the process).  In Sept, I tweeted 109 times on my personal account which lead to almost 75,000 views.  I was mentioned 78 times by other tweeters and gained 68 new followers.  My tweet “Ignore this post” remains the most tweeted article about NETs ever posted on twitter.  Check it out – click here.

  • Daily Newsletter from my twitter feed (Nuzzel).  There is so much on twitter that I could swamp the community Facebook site so I started a twitter newsletter via an app called Nuzzel which seeks out stuff I normally like. Click this link and sign up if you think this is something you’d be interested in receiving – you don’t need to have a twitter account to read, just sign up with an email.  Currently 336 subscribers – up 12% on last month.

  • WEGO. I continue to be featured by ‘external’ organisations such as WEGO and my PODCAST is reaching new audiences – click here.  The recent awards will continue to showcase my work which has the effect of spreading Neuroendocrine Cancer awareness to NEW audiences in addition to enriching my experience as a Patient Leader.  WEGO is a fantastic organisation!

  • Macmillan Cancer Support.  I’m proud to be a ‘Voice’ and ‘Community Champion’ on the Macmillan Cancer Support Forum.  In addition I help ‘outliers’ from the NET community there. There are only 27 champions for a site supporting hundreds of thousand patients – it’s a community of communities.  I’ll be reporting more on this in the coming weeks.  This is the biggest cancer support organisation in the UK and I’m intent on developing relationships with various departments in this fantastic organisation.  On August 30th, one of my blogs made their “top picks” generating some NET awareness – check out Living with Cancer – 6 tips for conquering fear They have recently agreed to feature NETs on 10 Nov 17.
that’s me in the centre
  • Cure Magazine.  I’ve been accepted as a ‘Cure Today’ contributor which means my articles will get a wider distribution than they do now.  I’ve not contributed yet but clearly they will be posted on all my social media outlets for you to read.  Cure Magazine has a readership of 1 million.  Click here to read more.

Speaking Engagements

  • On 5th October, I’ve been invited to speak for around an hour at the Cardiff (South Wales) NET Patient meeting (moved from July due to forecast low attendance)  Things are starting to happen in this area and I already know their NET Specialist Dr Mo Khan who is working hard on behalf of patients.  I’m really looking forward to visiting and talking to this group.

Writing and other types of Engagement (external) – watch this space as I’m working on quite a few projects concurrently.  I’m currently in a pool of patients who may be featured in a UK national, fingers crossed.

Social Media and Stats

Blog Milestone.  In September, I’m very close to 380,000 views! Thank you all so much Keep sharing! On track for 400,000 by end of the October.

Facebook Milestone.  I would love to achieve 6000 followers by the end of 2017 but this will be a challenge.  The Facebook page is now my biggest outlet for awareness and education so please please please recommend this page to anyone you think would be interested.

Also check out my sister Facebook sites here (click on ‘Like’)

These are fallback  sites to counter the Facebook algorithm whereby you may not see all my posts on the main site:

Ronny Allan’s Community

Neuroendocrine Cancer Awareness and Networking

Instagram

I’m expanding into Instagram to see how that goes. I’ve amassed over 200 followers to date. Initially, I’ll just be posting pictures of things that inspire me, mostly scenic photos of places I’ve been or want to go!  You can follow me here:  Click here to go to my Instagram page

Community Statistics (the measurement of my efforts on your behalf)

Figures

  • Facebook 5220.  This is a key outlet for my blog – please encourage others to like my page (if you’d like to know how to use your Facebook to invite others to my page – let me know, I can provide you with a step by step approach).
  • Twitter4153 / 3195 Follow me here @RonnyAllan1 / @NETCancerBlog
  • Total Blog Views: 379,320
  • Blog with most views: 12761 – The Human Anatomy of Neuroendocrine Cancer 
  • Most blog views in one day:  2043 on 15 January 2017.  Why the spike? ….. The Human Anatomy of Neuroendocrine Cancer” 
  • Most blog views in one week: 7538 in July 2017.
  • Most blog views in one month: 24142 in July 2017.  Why the spike? … these blogs here:
Home page / Archives More stats 2,482
Neuroendocrine Cancer Syndromes – Early Signs of a Late Diagnosis More stats 1,418
Steve Jobs – the most famous Neuroendocrine Cancer Ambassador we NEVER had More stats 1,326
Diagnosed with Neuroendocrine Cancer? 10 questions to ask your doctor More stats 1,253
Neuroendocrine Cancer – Incurable vs. Terminal More stats 1,212
Neuroendocrine Neoplasms – Grade and Stage (incorporating WHO 2017 changes) More stats 985
I’m still here More stats 869
Neuroendocrine Cancer Nutrition Blog 2 – Gastrointestinal Malabsorption More stats 846
Living with Neuroendocrine Cancer – Home Page More stats 824
Ignore this post about Neuroendocrine Cancer More stats 763
The Human Anatomy of Neuroendocrine Cancer More stats 759

WOW!  – that’s an amazing amount of awareness and hopefully, support for others.  However, I cannot do this without you guys liking, commenting and sharing!  The likes give me motivation, the comments (and private messages) give me inspiration (or at least a chance to explain further) and they also keep me humble.  The sharing gives me a bigger platform.  A bigger platform generates more awareness.

 

Thanks for your great support in September.  Onwards and upwards!

Thanks for reading

Ronny

Hey, I’m also active on Facebook.  Like my page for even more news.

Disclaimer

My Diagnosis and Treatment History

Most Popular Posts

Sign up for my twitter newsletter

Check out my Podcast (click and press play)

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

community_titled_transparent_2013-10-22

NETwork with Ronny © – Community Newsletter AUGUST 2017

background scene from my Instagram account – to see more check out the newsletter. Photo credit to Nick Lucas

Hi NETworkers!

Welcome to my monthly ‘Community’ newsletter. This is August 2017’s monthly summary of Ronny Allan’s Community news, views and ICYMI (in case you missed it!).

NET News

The following news items may be of interest:

  • PRRT takes a step forward to being formally approved in USA. FDA acknowledges receipt of revised application for approval.  Click here.
  • However, in UK, there is a threat that PRRT won’t be approved despite a positive recommendation by the scientific committee of the European Medicines Agency (EMA).  Advanced Accelerator Applications (AAA), the manufacturers of Lu-177 Lutathera for use on PRRT, has had to respond to the UK’s drug approver NICE’s negative recommendation.  Read more here.
  • GA-68 PET (NETSPOT) is still rolling out across the USA, see CCFs latest list by clicking here.
  • Ipsen launches the Brazilian version of ‘Living with NETs’ website.  Click here.  (See the English language version – click here).

What’s happening on my Blog Site?  

A quiet month.  Due to the vagaries of Facebook inner workings, some of these may not have even shown on your timeline.  So, ICYMI …….here’s a summary with links, includes updated blogs.

  • The Invisible NET Patient Population.  My latest published blog and received some great viewing figures (and this continues).  Controversial for some but backed up by facts.
  • NETs – not as rare as you think. An older post with some tweaks.  Again, controversial for some but backed up by facts.
  • Carcinoid vs Neuroendocrine – One of my most controversial posts – this is an older post which previously had an element of sitting on the fence. I jumped off the fence following some further research and period of reflection.  I was happy with some of the positive comments I subsequently received on this post.
  • Steve Jobs.  An updated version with some new research timelines added.  This post continues to receive hits daily even when I’m not sharing.  Most of the hits are from people searching and find my article online, an indication of the interest Steve Jobs still has today.  And many of the hits are NEW audiences.
  • NETwork with Ronny © – Community Newsletter JULY 2017.  My July 2017 newsletter ICYMI.
  • Your favourite posts.  All posts with viewing figures above 2000.

Misc Blog Stuff

  • There’s a lot of chatter about use of the word ‘fight’ in cancer parlance but many people are misrepresenting the word’s multiple meanings as per the most eminent English language dictionaries.  As for me, I’m ‘sticking to my guns’ on the subject.
  • I got some great comments on my monthly Lanreotide ‘butt dart’ post.  Feel free to add questions.  I may know some of the answers and cannot promise answers from Ipsen due to their regulatory arrangements but I will try!  Check out the discussion here …… ‘click here’.
  • My notification about the Ipsen HomeZone (or equivalent services within your own country) got an interesting response.  Since then many others have taken advantage by contacting Ipsen or their specialist asking about the service.  This has also led to feedback about the similar schemes from Novartis for Octreotide.  I’m happy that my post has provided publicity to services which help patients.  Read my post At Home with Lanreotide by clicking here.

Other Activity

August was a slower month in ‘new’ blogging terms mainly due to personal activities and the consequences of having a large internet footprint! Striking a balance is becoming more difficult.  I’m seeing a trend of low ‘new’ blog months, mainly due to external projects and a continuous stream of offline messages from patients (more on this later).  Also, I’ve been suffering with minor right hip pain but now seeing improvements working with a physiotherapist.  However, despite a low month for brand new blogs, I still managed to make the second highest monthly views ever……..Thank you all so much for the support.

Please join my 2017 awareness campaign event here (select ‘Going’)

I continue to receive a steady flow of private contacts, mainly from patients seeking information.  I don’t have an issue with private contact but please note my disclaimer.  Please also note that I cannot accept telephone calls on a one to one basis.  However …..the number of non-patients contacting me for other reasons (mainly to help with something) continues to grow and this is producing some great publicity and awareness.

By the time you read this update, the nominations and endorsements for the 2017 WEGO Health Awards will be closed.  If you remember last year, I made it to the final in two categories of Blog and Community, and then won the latter.  I should find out if I made the finals by the middle of September. Fingers crossed!  Many thanks to those who took the time and trouble to vote for me.

 

Awareness Activity in August 2017

New Audiences for NET Cancer.  From Day 1, I said it was my aim to find new audiences for NETS rather than just share stuff within our own community.

  • Article features.  I was featured in a well shared and positive article entitled A revolution in the treatment of Neuroendocrine Tumors. A very positive look at the new treatments coming through. I didn’t agree with some of the content but ‘hey ho’ I cannot control what others write.  You can check out the article by clicking here.
  • Twitter. I’m ‘extremely’ active on twitter and I find a lot of my research stuff there. I also use it to support other conditions and it’s mostly returned (i.e. others help with NET awareness and are made aware of NETs in the process).  In Aug, I tweeted 130 times on my personal account which lead to almost 90,000 views.  I was mentioned 94 times by other tweeters and gained 64 new followers.  My tweet “Ignore this post” remains the most tweeted article about NETs ever posted on twitter.  Check it out – click here.
  • Daily Newsletter from my twitter feed (Nuzzel).  There is so much on twitter that I could swamp the community Facebook site so I started a twitter newsletter via an app called Nuzzel which seeks out stuff I normally like. Click this link and sign up if you think this is something you’d be interested in receiving – you don’t need to have a twitter account to read, just sign up with an email.  Currently 294 subscribers – up 10% on last month.  Will you be number 300?
  • WEGO. I continue to be featured by ‘external’ organisations such as WEGO and my PODCAST is reaching new audiences – click here.  The recent awards will continue to showcase my work which has the effect of spreading Neuroendocrine Cancer awareness to NEW audiences.
  • Macmillan Cancer Support.  I’m proud to be a ‘Community Champion’ on the Macmillan Cancer Support Forum helping ‘outliers’ from the NET community there. There are only 27 champions for a site supporting hundreds of thousand patients.  I’ll be reporting more on this in the coming weeks.  This is the biggest cancer support organisation in the UK and I’m intent on developing relationships with various departments in this fantastic organisation.  On August 30th, one of my blogs made their “top picks” generating some NET awareness – check out Living with Cancer – 6 tips for conquering fear
  • Cure Magazine.  I’ve been accepted as a ‘Cure Today’ contributor which means my articles will get a wider distribution than they do now.  I’ve not contributed yet but clearly they will be posted on all my social media outlets for you to read.  Cure Magazine has a readership of 1 million.  Click here to read more.

Speaking Engagements

  • On 5th October, I’ve been invited to speak for around an hour at the Cardiff (South Wales) NET Patient meeting (moved from July due to forecast low attendance)  Things are starting to happen in this area and I already know Dr Mo Khan who is a NET specialist working hard on behalf of patients.  I’m really looking forward to visiting and talking to this group.

Writing and other types of Engagement (external) – watch this space as I’m working on quite a few projects concurrently

Remember …….

Social Media and Stats

Blog Milestone.  In August, I tipped a 360,000 views! Thank you all so much Keep sharing! On track for 400000 by end of the October.

Facebook Milestone.  I would love to achieve 6000 followers by the end of 2017 but this will be a challenge.  The Facebook page is now my biggest outlet for awareness and education so please please please recommend this page to anyone you think would be interested.

Also check out my sister Facebook sites here (click on ‘Like’).

Ronny Allan’s Community

Neuroendocrine Cancer Awareness and Networking

Instagram

I’m expanding into Instagram to see how that goes. I’ve amassed over 200 followers to date. Initially, I’ll just be posting pictures of things that inspire me, mostly scenic photos of places I’ve been or want to go!  You can follow me here:  Click here to go to my Instagram page

Community Statistics (the measurement of my efforts on your behalf)

Figures

  • Facebook 5143.  This is a key outlet for my blog – please encourage others to like my page (if you’d like to know how to use your Facebook to invite others to my page – let me know, I can provide you with a step by step approach).
  • Twitter4091 / 3160 Follow me here @RonnyAllan1 / @NETCancerBlog
  • Total Blog Views: 360875
  • Blog with most views: 12568The Human Anatomy of Neuroendocrine Cancer 
  • Most blog views in one day:  2043 on 15 January 2017.  Why the spike? ….. The Human Anatomy of Neuroendocrine Cancer” 
  • Most blog views in one week: 7538 in July 2017.
  • Most blog views in one month: 24142 in July 2017.  Why the spike? … these blogs here:
Home page / Archives More stats 2,482
Neuroendocrine Cancer Syndromes – Early Signs of a Late Diagnosis More stats 1,418
Steve Jobs – the most famous Neuroendocrine Cancer Ambassador we NEVER had More stats 1,326
Diagnosed with Neuroendocrine Cancer? 10 questions to ask your doctor More stats 1,253
Neuroendocrine Cancer – Incurable vs. Terminal More stats 1,212
Neuroendocrine Neoplasms – Grade and Stage (incorporating WHO 2017 changes) More stats 985
I’m still here More stats 869
Neuroendocrine Cancer Nutrition Blog 2 – Gastrointestinal Malabsorption More stats 846
Living with Neuroendocrine Cancer – Home Page More stats 824
Ignore this post about Neuroendocrine Cancer More stats 763
The Human Anatomy of Neuroendocrine Cancer More stats 759

WOW!  – that’s an amazing amount of awareness and hopefully, support for others.  However, I cannot do this without you guys liking, commenting and sharing!  The likes give me motivation, the comments (and private messages) give me inspiration (or at least a chance to explain further) and they also keep me humble.  The sharing gives me a bigger platform.  A bigger platform generates more awareness.

Thanks for your great support in August.  Onwards and upwards!

Thanks for reading

Ronny

Hey, I’m also active on Facebook.  Like my page for even more news.

Disclaimer

My Diagnosis and Treatment History

Most Popular Posts

Sign up for my twitter newsletter

Check out my Podcast (click and press play)

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

community_titled_transparent_2013-10-22

NETwork with Ronny © – Community Newsletter JULY 2017

 

Hi NETworkers!

Welcome to my monthly ‘Community’ newsletter. This is July 2017’s monthly summary of Ronny Allan’s Community news, views and ICYMI (in case you missed it!).  July 26th was the ‘Cancerversary‘ of my diagnosis – I’m still here after 7 years and I’m apparently a veritable newbie!  There’s some great comments on my ‘I’m Still Here’ post – check them out … ‘click here’

NET News

The following news items may be of interest:

  • Telotristat Ethyl (Xermelo) takes a step forward to being approved in Europe. Click here.
  • PRRT takes a step forward to being approved in USA.  Click here.
  • Ipsen launches the German version of ‘Living with NETs’ website.  Click here.

What’s happening on my Blog Site?  

As per above, a quiet month.  Due to the vagaries of Facebook inner workings, some of these may not have even shown on your timeline.  So, ICYMI …….here’s a summary with links, includes updated blogs.

There’s a lot of chatter about use of the word ‘fight’ in cancer parlance but most people are misrepresenting the word’s multiple meanings as per the most eminent English language dictionaries.  As for me, I’m ‘sticking to my guns’ on the subject.

I got some great comments on my monthly Lanreotide ‘butt dart’ post.  Feel free to add questions.  I may know some of the answers and cannot promise answers from Ipsen due to their regulatory arrangements but I will try!  Check out the discussion here …… ‘click here’

NET Cancer Blog Activity

July was a slower month in ‘new’ blogging terms mainly due to holiday.  I’m seeing a trend of low ‘new’ blog months, mainly due to external projects and a continuous stream of offline messages from patients.  Also, I’m still suffering with minor pain which has decided to move to my right hip (hopefully localising where the real problem is).  Physiotherapist appointment is next week.  However, despite a low month for brand new blogs, I managed to totally smash my monthly blog view record (after smashing it last month too!)  ……..Thank you all so much for the support.

I continue to receive a steady flow of private contacts, mainly from patients seeking information.  I don’t have an issue with private contact but please note my disclaimer.  Please also note that I cannot accept telephone calls on a one to one basis.  The number of non-patients contacting me for other reasons (mainly to help with something) continues to grow and this is producing some great publicity and awareness.

I’ve been nominated for the 2017 WEGO Health Awards in three categories so far, Blog, Patient Leader Hero and Lifetime Achievement.  If you remember last year, I made it to the final in two categories of Blog and Community and won the latter.  A vote for me is a vote for Neuroendocrine Cancer awareness. VOTE HERE PLEASE

Click on ‘Endorse Ronny Allan’.  It defaults to ‘Blog’ but the other two are there via the drop down menu.  Thanks, I cannot get to the finals without the votes.

Awareness Activity in July 2017

New Audiences for NET Cancer.  From Day 1, I said it was my aim to find new audiences for NETS rather than just share stuff within our own community.

  • I’m ‘extremely’ active on twitter and I find a lot of my research stuff there. I also use it to support other conditions and it’s mostly returned (i.e. others help with NET awareness and are made aware of NETs in the process). There is so much on twitter that I could swamp the community Facebook site so I started a twitter newsletter via an app called Nuzzel which seeks out stuff I normally like. Click this link and sign up if you think this is something you’d be interested in receiving.  Currently 269 subscribers – up 12% on last month.
  • I continue to be featured by ‘external’ organisations such as WEGO and my PODCAST is reaching new audiences – click here.  Other irons are in the fire but unable to bring you firm news just yet.
  • I’m proud to be a ‘Community Champion’ on the Macmillan Cancer Support Forum helping outliers from the NET community there. I’ll be reporting more on this in the coming weeks.  This is the biggest cancer support organisation in the UK.
  • I’ve been accepted as a ‘Cure Today’ contributor which means my articles will get a wider distribution than they do now.  I’ve not contributed yet but clearly they will be posted on all my social media outlets for you to read.  Click here to read more.

Speaking Engagements

  • On 12 July, I delivered a ‘patient view’ presentation to Ipsen (UK) which was well received.
  • On 5th October, I’ve been invited to speak for around an hour at the Cardiff (South Wales) NET Patient meeting (moved from July due to forecast low attendance)  Things are starting to happen in this area and I already know Dr Mo Khan who is a NET specialist working hard on behalf of patients.  I’m really looking forward to visiting and talking to this group.
Me with some very nice Ipsen people! 12 July 2017 in London

Writing and other types of Engagement (external) – watch this space as I’m working on quite a few projects concurrently

Remember …….

Social Media and Stats

Blog Milestone.  In July, I tipped a THIRD OF A MILLION views! Thank you all so much Keep sharing! On track for 400000 by end of the year.

Facebook Milestone.  I met my target of 5000 followers a few months before my self inposed deadline date.  I’m very grateful!  The Facebook page is now my biggest outlet for awareness and education so please please please recommend this page to anyone you think would be interested.

Instagram

I’m expanding into Instagram to see how that goes. I’ve amassed over 200 followers to date. Initially, I’ll just be posting pictures of things that inspire me, mostly scenic photos of places I’ve been or want to go!  You can follow me here:  Click here to go to my Instagram page

Medicine

Figures

  • Facebook 5007.  This is a key outlet for my blog – please encourage others to like my page (if you’d like to know how to use your Facebook to invite others to my page – let me know, I can provide you with a step by step approach). Please also join my 2017 awareness campaign event here (select ‘Going’)
  • Twitter4000 / 3095 Follow me here @RonnyAllan1 / @NETCancerBlog
  • Total Blog Views: 337313
  • Blog with most views: 12323The Human Anatomy of Neuroendocrine Cancer 
  • Most blog views in one day:  2043 on 15 January 2017.  Why the spike? ….. The Human Anatomy of Neuroendocrine Cancer” 
  • Most blog views in one week: 7538 in July 2017.
  • Most blog views in one month: 20498 in July 2017.  Why the spike? … these blogs here:
Home page / Archives More stats 2,482
Neuroendocrine Cancer Syndromes – Early Signs of a Late Diagnosis More stats 1,418
Steve Jobs – the most famous Neuroendocrine Cancer Ambassador we NEVER had More stats 1,326
Diagnosed with Neuroendocrine Cancer? 10 questions to ask your doctor More stats 1,253
Neuroendocrine Cancer – Incurable vs. Terminal More stats 1,212
Neuroendocrine Neoplasms – Grade and Stage (incorporating WHO 2017 changes) More stats 985
I’m still here More stats 869
Neuroendocrine Cancer Nutrition Blog 2 – Gastrointestinal Malabsorption More stats 846
Living with Neuroendocrine Cancer – Home Page More stats 824
Ignore this post about Neuroendocrine Cancer More stats 763
The Human Anatomy of Neuroendocrine Cancer More stats 759

 

WOW!  – that’s an amazing amount of awareness and hopefully, support for others.  However, I cannot do this without you guys liking, commenting and sharing!  The likes give me motivation, the comments (and private messages) give me inspiration (or at least a chance to explain further) and the sharing gives me a bigger platform.  A bigger platform generates more awareness.

Thanks for your great support in July.  Onwards and upwards!

Thanks for reading

Ronny

Hey, I’m also active on Facebook.  Like my page for even more news.

Disclaimer

My Diagnosis and Treatment History

Most Popular Posts

Sign up for my twitter newsletter

Check out my Podcast (click and press play)

Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

community_titled_transparent_2013-10-22

Diagnosed with Neuroendocrine Cancer? – 10 questions to ask your doctor (and where to find a NET Specialist Worldwide)


find net specilaist and 10 qeusitons

On the day I was diagnosed, I hadn’t really thought about questions, the only one I actually remember asking was “how long do I have left to live” (I watch too many movies!). On the day of diagnosis and a period beyond, people tend to feel emotions of shock, denial, anger and sadness, before going on to accept their situation. Yes, I ‘googled‘ but not a great deal really – although some things I found did frighten me. I wish I had found this article way back then.

As things progressed in the weeks after ‘D-Day’, I started to work out the sort of things to ask but even then it was limited. I had been referred to an experienced NET team so I felt confident they would do whatever needed doing. In hindsight, I can now think of a quite a few questions I should have asked. That said, I suspect my team probably gave me the answers without having been asked the questions!

My blogging efforts have turned into a ‘Community’ of sorts. Consequently, I’m contacted daily from people finding me on the web. Many of these people are at the pre-diagnosis or initial phase. Many are undiagnosed. Most are looking for information and some sound like they are already at the ‘acceptance stage’; some are frightened about the future, some are angry because they think they are not being told important information and some also feel they have been messed about or ‘fobbed off’ by their doctors. Of course I’m happy to help but only after reminding them that I’m just a wee Scottish guy with the same disease!

I have to say that some people arrive on my site without a diagnosis but often seem to be very well prepared – the power of the internet I suspect. The questions I mostly get involve finding experts and then what questions to ask them.

Finding experts

As an extra bonus to this post, I offer you a starting point for the best places I know for finding NET expertise:

Europe – here at ENETS: European NET Centres of Excellence

UK – here at UKINETS: UK NET Centres

USA:

  • One US center is now the first to achieve a European NETs Center of Excellence accreditation – read more hear about University of Iowa Holden Comprehensive Cancer Centerclick here
    NANETS have listed “NET Centers” here – NANETS NET Centers and Clinics
  • The NET Research Foundation as they also have a ‘Doctor Database’ section which differs slightly from CCF below.
  • Here at Carcinoid Cancer Foundation – Find a Doctor

Australia – here: Australian NET Doctors

New Zealand – Dr Ben Lawrence, based in Aukland.

Canada (from patient knowledge):

  • Dr. Simron Singh at Sunnybrook in Toronto
  • Dr. Shereen Ezzat at Princess Margaret in Toronto (PMH)
  • Dr. McEwan, The Cross Clinic, Alberta?
  • Dr Kavan at Montreal Jewish General Hospital (Oncology)
  • Dr Buteau / Beauregard at Quebec Hotel Dieu (Radiation Oncology (PRRT, Ga68)
  • Dr Rivera at Montreal General Hospital (Endocrinology)
  • Dr Metrakos at the Montreal Royal Victoria Hospital (Surgeon) sees a lot of NET patients
  • On the French side Dr Andre Roy at the CHUM in Montreal (surgeon) also sees a lot of NET patients
  • Dr. Jamil Asselah also treats net patients. He is an oncologist….Quebec
  • Michael Sawyer at Cross Clinic in Alberta Edmonton.
  • Drs. Parkins, Card, and Paseka at the Tom Baker CC in Calgary.
  • London Ontario: Dr. David Laidley, Dr. Robert Reid in the Neuroendocrine Clinic at London Regional Cancer Program and Dr. Daryl Gray, Surgeon.

Russia – Clinical Oncology Research Institute, N. N. Blokhin RCRC RAMS, Address: 24, Kashirskoye sh., Moscow, 115478, RF. NET specialist Alla Markovich

In my Group – ask other patients: Click here to join.

AskDoctor_0

Neuroendocrine Cancer – 10 questions to ask your specialist

Many people ask me what sort of questions to ask and because NETs is such a diverse bunch of diseases, that leads to me ask them a series of questions to ascertain what they might consider asking. I’m not surprised to find some are unable to answer my questions and so those then become some of their questions to ask!

Also, questions don’t end at the diagnosis phase, they continue and in fact, some of the answers to the questions below, may bring up new questions in your mind. Some of these questions can be asked time and time again in the event of issues downstream.

If you’re currently confused about the essential facts of your condition, you’re not alone. In a recent study, almost half of cancer patients did not know basic stuff such as grade and stage of cancer, and after their initial treatment, whether they were free of disease or in remission.

Pre-question Check

For those entering or are recently just beyond the diagnostic phase, you may find certain questions cannot yet be answered without further test results etc. However, if the answer is not yet known for whatever reason, at least you have it on your list for follow up appointments. Consequently, I’ve constructed this list of questions that should function as a generic set. There may also be ‘specific to country’ questions such as insurance cover in addition to this suggested list. Of course, some of you may not want the answer to so certain questions. That’s perfectly understandable, so don’t ask!

1. Where is my primary tumour and what type of NET is it?

This is a fundamental question and it’s likely many will already have some inkling about location and perhaps a type. The difference between NETs and other types of cancer is the primary can be found wherever there are Neuroendocrine cells rather than a specific part of the anatomy in terms of naming the type of cancer, i.e. a NET of the pancreas is not Pancreatic Cancer.

The type of NET is key as it will drive a lot of other stuff including treatment. Location and type of NET are not always aligned, for example, you may have a NET in your Pancreas but there are several types of Pancreatic NET (or pNET) and these may depend on identification of a particular hormone (see syndrome below). Many NETs are non-functional (there is no oversecreting hormone).

For some the primary will not yet be found (i.e. cancer of unknown primary or CUP). There may also be multiple primaries.

2. What is the grade and differentiation of my tumour(s)?

Another fundamental question as this defines the aggressiveness of the disease and is absolutely key in determining overall treatment plans. Treatment plans for poorly differentiated can be very different from well differentiated. Read more here – Grading and here – Benign or Malignant

3. What is the stage of my disease?

Fundamental to understanding the nature of your disease. Stage confirms the extent of your disease, i.e. how far has it spread. Again this will drive treatment plans and long-term outlooks. Scans are really important in determining the Stage of your cancer – check out my scans post here. Read more here on Staging

4. Do I have a NET Syndrome?

Many NET patients will have been experiencing symptoms prior to diagnosis, perhaps for some time. It’s possible these symptoms form part of what is known as a ‘Syndrome’ and there are several associated with NETs. Syndromes are mostly caused by the effects of over-secretion of hormones from the tumours, a hallmark of Neuroendocrine disease. Carcinoid Syndrome is the most common but there are many more depending on the primary location. Read more here – NET Syndromes.

5. What is my treatment plan, and what are the factors that will influence my eventual treatment? When will I start treatment

This is a very complex area and will depend on many factors. Thus why your specialist may not have the answers to hand. Decisions on treatment are normally made by some form of Multi-disciplinary Team (MDT).  Many people diagnosed with cancer expect to be whisked away to an operating theatre or chemotherapy treatment. However, for many this is not what actually happens. Depending on what testing has been done up to the actual diagnosis, it’s possible that even more testing needs to be done. Additionally, for those with an accompanying syndrome, this will most likely need to be brought until control before certain treatments can be administered; and even then, there may be checks to make sure the treatment will be suitable. Sometimes it’s a case of ‘Hurry up and wait’. My first treatment was 6 weeks after diagnosis and that was designed to control my syndrome ready for surgery which was undertaken 14 weeks after diagnosis. It’s also possible you will be placed on a ‘watch and wait’ regime, at least to begin with.

6. Can you comment on the potential for my type of NET to be related to any familial or genetic aspects of cancer?

A small percentage of NETs are hereditary/genetic in nature.  This is mostly associated with those who have Multiple Endocrine Neoplasms (MEN) syndromes  and a few other less common types of NET including Pheochomocytoma / Paraganglioma(Pheo/Para) and Medullary Thyroid Carcinoma (MTC) (the familial version of MTC is often referred to as FMTC). However, please note this does not mean that all those diagnosed with pancreatic, parathyroid, pituitary, Pheo/Para and MTC tumours, will have any hereditary or genetic conditions, many will simply be sporadic tumors.

7. Will you be able to get rid of all my disease?

This is a really difficult question for any specialist, even a Neuroendocrine expert. All published articles on NETs will say they are a heterogeneous collection of diseases (i.e. consisting of dissimilar entities) which makes this question (and others) difficult. I have read articles written by the world’s foremost NET experts and they all have the word ‘curative’ mentioned in various places. So I guess in particular scenarios with certain NETs, and if the disease is caught early enough, that possibility exists. However, for many, the disease could be incurable, particularly where there is distant metastasis. But, the disease has many treatment options for most types and for many it is possible to live as if it were a chronic condition. I call it ‘incurable but treatable’. Read more here – Incurable vs Terminal

8. What Surveillance will I be placed under?

Again, this is very individual in NETs and is mainly dependent on type of NET, grade and stage and how the patients reacts to treatment. This may not be known until you have undergone your initial treatment. For example, surveillance scans can be any period from 3 months to 3 years depending on tumour type(location) and stage/grade. Marker testing tends to average around 6 monthly but could be more or less frequently depending on what’s going on. Read more here – click here

9. Will I receive support and specialist advice after my treatment?

Let’s not be afraid of the word ‘Palliative’, it does not always mean ‘end of life’ care. Another example is nutrition. Many people with NETs, the condition in combination with the side effects of treatment may necessitate an alteration of diet and this is a very individual area. I would also emphasise that dietitians not well versed in NETs might not offer the optimum advice. Read more – My Nutrition Series.

10. How will treatment affect my daily life?

This is a question that many people miss but it’s becoming more important as we all live longer with cancer Again, this may not be possible to answer immediately but perhaps this question could be reserved once you know which treatment(s) you will be receiving. All treatment comes with side effects and can last for some time or even present with late effects after some years. The ‘consequences’ of cancer treatment need to be factored in earlier so that the necessary knowledge and support can be put in place. See also Unmet Needs for NET Patients

I suspect others will have suggestions for this list so feel free to submit these to me. I quite often refresh my posts over time.

Don’t believe the hype – Neuroendocrine Cancer Myths debunked

Don't believe the hype - 10 myths

 

OPINION.

There’s a lot of inaccurate and out of date information out there.  Some is just a lack of understanding, often with a combination of patient forum myth spreading. Some can only be described as propaganda.

Myth 1:  All Neuroendocrine Tumours are benign

Not trueBy any scientific definition, the word ‘tumour’ means ‘an abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumours may be benign (not cancerous), or malignant (cancerous)’.  Sure, some NETs will be benign.  However, The World Health Organisation (WHO) 2010 classification for digestive system is based on the concept that all NETs have malignant potential, and has therefore abandoned the division into benign and malignant NETs and tumours of uncertain malignant potential.  This has been reinforced in the 2017 update to include clarification for other endocrine organ types of NET including Pheochromocytoma. Read more here.  The word ‘Carcinoid’ is inextricably linked with this issue – read here why we need to stop using the term to help fight the benign myth.

Kunz His belief these tumors did not metastisize

Myth 2:  Neuroendocrine Tumours is a terminal condition

Not true.  By any definition of the word terminal in a medical diagnostic context, most NET patients have a good prognostic outlook, even those with metastatic and incurable variants of the disease. Read more here.

being_there_front
Graphic courtesy of Ellie McDowell

Myth 3: Carcinoid is another word for Neuroendocrine Tumours 

Not true.  Carcinoid is a very old term and was phased out years ago.  Carcinoid is not mentioned in the latest WHO Classification schemes for Neuroendocrine Neoplasms (a term covering Neuroendocrine Tumours and Neuroendocrine Carcinoma). Unfortunately, the problem is exacerbated by organisations and individuals who still use the word.  Also, those who use the following terms:

  • “Carcinoid Neuroendocrine”,
  • “Neuroendocrine Carcinoid”,
  • “Carcinoid and Neuroendocrine”,
  • “Neuroendocrine and Carcinoid”,
  • “Carcinoid NETs” or “CNET”

These are all contextually incorrect and misleading terms (not to mention the bad grammar). ENETS, NANETS and NCCN publications are gradually phasing the word out except in relation to Carcinoid Syndrome (and even then there could be easy solutions for this). Read more here and here.

carcinoid vs neuroendocrine

Myth 4:  All NET patients get ‘carcinoid syndrome’

Not true.  Firstly, many NET cancers are non-functional; and secondly, carcinoid syndrome is only one of a number of “NET Syndromes” associated with the various types of NET. However, the issue is further confused by those who use the word ‘Carcinoid‘ to incorrectly refer to all NETs and use Carcinoid Syndrome to refer to all NET Syndromes.  Read more here.

Early signs of a late diagnosis (2)

Myth 5:  Neuroendocrine Neolasms are rare

Not true.  As a collective grouping of cancers, this is no longer accurate. Read more here.  Also check out my post about the “Invisible NET Patient Population“.

Yao not rare

Myth 6:  Steve Jobs had Pancreatic Cancer

Not true.  Steve Jobs had a Neuroendocrine Tumour of the Pancreas.  Ditto for a few other famous names. Read more here.

steve jobs 2010
The last few years have reminded me that life is fragile

Myth 7:  I’m not getting chemotherapy, I must be doing OK?

Not true.  For some cancers or some sub-types of cancers, although it remains an option, chemotherapy is not particularly effective, e.g. some types of Neuroendocrine Cancer (NETs). In general, well differentiated NETs do not normally show a high degree of sensitivity to chemotherapy, although some primary locations fare better than others. However, many of the treatments for NET Cancer are somewhat harsh, have long-term consequences, and have no visible effects. NET patients are often said to “look well” but that doesn’t mean they are not struggling behind the scenes or under the surface.  Read more here.  P.S. Afinitor (Everolimus), Sutent (Sunitinib) are not chemo – Read more here.

chemotherapy-hand-and-arm

Myth 8:  All diarrhea is caused by carcinoid syndrome

Not true.  It could be one of the other syndromes or tumor types or a side effect of your treatment.  Check out this post.

NETCancer Diarrhea Jigsaw

Myth 9:  Neuroendocrine Tumours is a ‘good cancer’

Not true.  Simply, no cancer is good.  Some are statistically worse than others in prognostic terms, that’s true…… but living with NETs is very often not a walk in the park. However, no one cancer is better to get than any other – they’re all bad.  Read more here.

Good-Bad

Myth 10:  Every NET Patient was misdiagnosed for years

Not true.  Many NET Patients are correctly diagnosed early on in their investigation and in a reasonable time.  This myth is perpetuated because of two things: firstly, on forums, the ratio of long-term misdiagnosis is high creating a false perception; and secondly, the method of capturing patient surveys is not extensive enough – again creating a false perception.  In fact, the latest and largest database analysis from US indicates earlier diagnosis is improving, with more and more NETs being picked up at an early stage. Read more here.

if your doctors dont suspect something

Myth 11:  Somatostatin Analogues are a type of Chemotherapy

Not true.  Somatostatin Analogues (e.g. Octreotide and Lanreotide) are not chemotherapy, they are hormone inhibiting drugs.  They are more biotherapy. As the drugs latch onto somatostatin receptors, they are more targeted than systemic. For the record, Everolimus (Afinitor) and Sunitinib (Sutent) are not chemotherapy either. Read more here.

chemo-or-not-chemo

Myth 12:  Stuart Scott (ESPN) and Audrey Hepburn had Neuroendocrine Cancer. 

Not true. This is a common misunderstanding within the community.  They both had Pseudomyxoma Peritonei (PMP).  Read more about PMP here.

 

 

 

Myth 13:  I’ve been diagnosed with Neuroendocrine Tumours – my life is over

Not true.  Many patients live a very long time and lead fairly normal lives with the right treatment and support. It’s difficult but I try not to use ‘I can’t’ too much. Read more here.

I CAN

Myth 14:  There are only a handful of Neuroendocrine specialists in the world

Not true.  There are many specialists in many countries. Get links to specialists by clicking here

find net specilaist and 10 qeusitons

 

Myth 15:  The Ga68 PET scan is replacing the CT and MRI scan in routine surveillance for all NET Patients

Not true.  It is actually replacing the Octreotide Scan for particular purposes,  or will eventually.  Read more by clicking here.

PET-CT-Scanner

Myth 16:  All NET Patients are Zebras

Not true.  They are in fact human beings and we should treat them as such. Please don’t call me a zebra, I and many others don’t appreciate it. Please don’t use the term on my social media sites, the comment or post will be removed.  Sorry but I refuse to perpetuate this outdated dogma. Read why here:

hoofbeats

Myth 17: Multiple Endocrine Neoplasia (MEN) is a type of Neuroendocrine Tumour

Not true. Multiple Endocrine Neoplasia are syndromes and inherited disorders not tumours.  You can actually have MEN and not have any tumours.  However, these disorders can put people at more risk of developing Neuroendocrine or Endocrine Tumours. Read more here

genetics

Myth 18: Palliative Care means end of life or hospice care  

Not true. Palliative care is specialized medical care that focuses on providing patients relief from pain and other symptoms of a serious illness. A multidisciplinary care team aims to improve quality of life for people who have serious or life-threatening illnesses, no matter the diagnosis or stage of disease. Read more here

The P word

Myth 19: Serotonin is found in foods

Not true. Serotonin is manufactured in the body. Read more here

brain-neurotransmitter-serotonin

Myth 20: NETs cannot be cured

Not true. If caught early enough, some NETs can be treated with curative intent (totally resected with margins) with little or no further follow up.  It says this in ENETS and NANETS publications which are authored by our top specialists. If we can’t believe them, who can we believe? Read more here.

cure quote

Myth 21: Pancreatic Enzyme Replacement Therapy (Creon etc) is only for pancreatic patients

Not true. It’s for any patient who is exhibiting exocrine pancreatic insufficiency. Read more here.

PERT

 

Myth 22: High Grade NETs are Carcinomas

Not entirely true.  Grade 3 (high grade) comprises well differentiated tumours and poorly differentiated tumours.  Only poorly differentiated tumour are carcinomas. Read more here.

High Grade

More to follow no doubt

For general cancer myths and the dangers of fake health news, please see my ARTICLE HERE

Thanks for reading

Ronny

Hey Guys, I’m also active on Facebook.  Like my page for even more news.  I’m also building up this site here: Ronny Allan

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

patients included

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In the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life


Adding life to years is as important as

OPINION.  Date of Article March 2017.  In the last 24 months, there seems to have been announcement after announcement of new and/or upgraded/enhanced diagnostics and treatment types for Neuroendocrine Cancer.  Increased availability of radionuclide scans, increased availability of radionuclide therapies, combination therapies, increased availability of somatostatin analogues, biological therapies, enhanced surgical and minimally invasive techniques, new oral drugs for carcinoid syndrome, more trials including  immunotherapy. Admittedly, some of the announcements are just expansions of existing therapies having been approved in new regions. Compared to some other cancers, even those which hit the headlines often, we appear to be doing not too badly. However, the pressure needs to stay on, all patients, regardless of where they live, need access to the best diagnostics and treatments for them; and at the requisite time. This alone is one very big unmet need in a whole range of countries still lacking.

The ‘War on Cancer’ forgot about Neuroendocrine

The ‘war on cancer’ has been around for the last 50 years, it’s still being waged.  There are now more ‘fronts’ and it’s taking longer than thought to find the ‘cure’. Despite this 50 year war, it seems like there’s only been a war on Neuroendocrine Cancer for the last 10 of those years. I guess they were focused on the big cancers and/or the seemingly impossible ‘universal cure’.  Prior to that, for NETs, there is only evidence of some skirmishes, more like guerrilla warfare. Now we have a developed nuclear capability!  I believe the turning point was the SEER database work carried out by Dr James Yao in 2004 who confirmed the incidence had grown by 400% in 3 decades, i.e. confirming it was no longer rare. The rise of both incidence and prevalence was then amplified in the follow on ‘2012’ study (Desari et al) which confirmed a 640% increase in 40 years.

Let’s not forget about the consequences of cancer

It is true that half of people diagnosed with cancer now survive for at least ten years. Many live for years with cancer, on ‘watch and wait’ or going through various treatments and tests; their future remaining uncertain.  For this group, and even for those whose treatment has successfully removed or shrunk their tumour, the struggle with the consequences and late effects of cancer and its treatment can last for years.  Many Neuroendocrine Cancer patients fit into this category.

There’s a lot of work going on within all cancer communities to address the unmet needs of cancer patients who are now living with cancer rather than dying of it.  Clearly we need this type of support in the NET world. The issue has been discussed at ENETS for the last two years and I was pleased to have asked the very first question about this particular unmet need, emphasising we need more support for those living with Neuroendocrine Cancer, including research into their common issues. I’ve yet to see any concrete output from the two year’s worth of campaigning.

FB_IMG_1489175031510
The first question to the first ever joint patient-physician symposium

Unmet Needs for NETs

So, there’s a lot of treatments for many types of Neuroendocrine Cancer out there, just not everyone has access to them – therefore an unmet need at the international level.  Others are earlier diagnosis, access to multi-disciplinary teams (MDT), ability to access quality information at diagnosis and beyond including clinical trials, funding, accurate national registries to improve statistics and more treatments fot some of the less common types. One area where I feel there is a huge unmet need is in the area of patient support following diagnosis.  Although some countries are more advanced than others in this area, even in the so-called advanced countries, there are huge gaps in provision of long-term support for those living with Neuroendocrine Cancer. For example, physicians need to focus more on:

Late diagnosis. People will be dealing from the effects of late diagnosis which has resulted in metastatic disease – and some people will have been fighting misdiagnosed illnesses for years.  That takes its toll.

Consequences of Surgery. People will have had surgery which in many cases is life changing – various bits of the gut (gastrointestinal tract) are now missing, lungs are now missing – many other locations will have been excised or partly excised.  These bits of our anatomy were there for a purpose and QoL takes a hit when they are chopped out.

Inoperable Tumours and Syndromes. People will be dealing with remnant and/or inoperable tumours which may or may not be producing an associated NET syndrome (some of the symptoms can be rather debilitating in the worst cases)

Consequences of Non-surgical Treatment.  Additionally, people will be dealing with the side effects of multi-modal non surgical treatments, such as somatostatin analogue hormone therapy (Octreotide/Lanreotide), chemotherapy, biological therapy (mTOR inhibitors) (i.e. Everolimus (Afinitor)), biological therapy (protein kinase inhibitors (i.e. Sunitinib (Sutent)), radionuclide therapy (i.e. PRRT).  Whilst it’s great there are a wide range of therapies, they all come with side effects.

Secondary Illnesses and Comorbidities. Some people will have gained secondary illnesses in part due to the original cancer or treatment – e.g. somatostatin analogue hormone therapy can have a side effect of increasing blood sugar to diabetic levels.  There are many other examples.

Finances. NET Cancer can be an expensive cancer to treat and this is exacerbated by the length of time the treatment lasts. A highly prevalent cancer, treatment is for life.  It follows that NET Cancer is an ‘expensive’ cancer to have.  Whilst most people have access to free public services or private insurance, many people will still end up out-of-pocket due to their cancer.

Emotional Aspects. Many NET patients are kept under surveillance for the remainder of their lives.  With that comes the constant worry that the cancer progresses, tumours get bigger, new tumours show up, treatments are denied (i.e. PRRT in the UK).  It’s no surprise that anxiety and depression can affect many patients in these situations. To some extent, there can be a knock-on effect to close family members and carers where applicable.

As I said in my question to the panel, even if you found a cure for NETs tomorrow, it will not replace the bits of my GI tract excised as part of my treatment.  For many people, even ‘beating’ cancer might not feel much like a ‘win’.  It’s a two-way street though – we need to work with our doctors, trying to change lifestyles to cope better with some of these issues.  This is why it’s really important to complete patient surveys. However, my point is this: more research into some of these issues (e.g. nutrition, optimum drug dosage, secondary effects) and earlier patient support to help understand and act on these issues, would be good starters.  I think some centres are doing elements of this type of support but we need a guideline generating in national and international groupings so that that others can be persuaded to formally introduce it.

“Adding life to years is as important as adding years to life”

Thanks for listening

Ronny

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Road ahead closed – Bowel Obstructions

test npf

OK – we’ve gone through diagnosis, we’ve gone through treatment and now we need to live with the consequences of cancer and it’s treatment.  Not a day goes by when I don’t feel some twinge or some minor pain and I think ‘what was that?‘.  Fortunately, many things can just be day-to-day niggles. It’s the cancer …. easy to say, sometimes not easy to prove.

However, for Neuroendocrine Tumour (NET) patients who have had surgery, anything that seems like a bowel obstruction is quite a scary thought (I suspect this is also an issue for other cancer types).  In fact, even before diagnosis, a bowel obstruction rears its head as it can be how the condition is diagnosed in the first place, i.e. pain leads to more pain and that can sometimes result in a visit to the ER/A&E which can very often lead to a scan and an incidental diagnosis of NETs (and I suspect some other cancers).

I guess this isn’t just a threat for those who’ve had intestinal NETs but others in the vicinity of the intestines could also have this issue – the abdominal cavity is full of organs all very closely packed together! Both the small intestine and the large intestine can become blocked and if it can’t be unblocked by non-surgical means, it can become a bit of a drama for the patient. Blockages can be full or partial so it can often be a tough call for the medical team due to the effects of the patient’s existing surgery including but not limited to previous surgical scarring (adhesions), mesentery or retroperitoneal fibrosis complications (read about that by clicking here). Clearing the blockage by non-surgical means is the optimum solution. The presentational symptoms and scans can give immediate clues.  Although there are slightly different symptoms for large and small intestine (bowel) obstructions, the key symptoms of a blockage would appear to be:

Feeling bloated and full

Severe abdominal pain

Feeling sick

Vomiting large amounts

Constipation

Looking at some authoritative sites, the logical (and fairly obvious) decision steps seem to be:

Is there an obstruction or is the problem something else?

If an obstruction, where exactly is it?

What is causing the obstruction?

Are there any complications such as adhesions, twisted loops or hernias

Optimum treatment

In 2016, I had 3 bouts of constipation and I confess that a potential blockage did cross my mind on all 3 occasions. However, I was comforted by the fact that I had no nausea and/or vomiting which I suspect is one of the key symptoms indicating a blockage rather than just a sluggish system. Fortunately, on all 3 occasions, the matter settled following a few days of right-sided pain (RLQ). One occasion required lactulose but all three required patience sprinkled with a pinch of endurance!  I have to say the lactulose experience was not a good one – fatigue, brain fog and general malaise …..but much better than surgery.  If you have issues with ‘fear’ living with cancer, check out my 7 tips article by clicking here.

I’m once again making some adjustments to try to find the magic spot between stool frequency and bulk….. it’s really difficult and not an exact science.  I’m suspecting diverticular disease might be playing some part as I was diagnosed with a mild version in 2008 spotted during a colonoscopy (a common problem when you’re over 50). Although that tends to be a left-sided problem, I remain conscious that my ‘new plumbing’ may not be the best representation of a conventional layout!

NET Patient Foundation are really good at producing cards and there’s one for this too!  Here’s the back of it here:

NPF Bowel Obstruction Card Back

Thanks for reading

Check out my other posts with NPF cards:

Carcinoid Crisisclick here

The Diarrhea Jigsawclick here

Ronny

I’m also active on Facebook.  Like my page for even more news.  I’m also building up this site here: Ronny Allan

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

 

Happy Thanksgiving

thanksgiving

Just a note to say Happy Thanksgiving to my friends in USA or who may be celebrating it elsewhere.  I am so thankful for the support I get from the US who make up the biggest proportion of subscribers to my blog and associated Facebook pageSo I’m thinking of y’all today!

Now …….. I hate to stereotype but I guess a lot of you might be eating turkey today?  No Thanksgiving is complete without a turkey at the table (… so I’m told!).  And also a nap right after it’s eaten….. right?

As you know I like to analyse such things …… Apparently, the meat has a bad reputation for making eaters sleepy, but is there really science to back that up?   My google alerts feed increases around this time of the year due to the connection of turkey with the word ‘serotonin’.  So for me, this is very educational.  Those who read my blog article on the ‘S’ word may remember that tryptophan is one of the bodies amino acids and is partly responsible for the manufacture of Serotonin in our system.  Turkey is said to be high in tryptophan although most say it is no higher than many other meats.  I’ve also heard the stories about how eating too much turkey makes you sleepy. Melatonin is said to be the hormone which helps with sleep regulation and is manufactured from Serotonin (which is manufactured from tryptophan).  However, the articles I read, (one was from the New York Times and one from Time Magazine) both confirm this is not exactly correct with one describing the turkey/sleepy connection as a “common myth” mainly due to the other food and drink consumed at the same time as the turkey  In any case, what’s wrong with an afternoon or evening nap after a traditional meal?

For those worried about eating too much tryptophan, don’t be, all NET nutritionists say you should not be concerned about this and the only food restrictions that apply are right before the 5HIAA test as directed by your local specialist.

Actually I read that turkey is a really healthy meat to eat, it’s low in fat, full of protein and other nutrients including the important B vitamins that NET patients might be at risk of deficiency (B3 and B12). Note to self …… eat more turkey!

Enjoy your Thanksgiving! It’s OK to have a nap too ……

On a personal note, I’m also very thankful to still be here after 8 years!

im-still-here

Thanks for reading

Ronny

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!


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Did you hear the one about the constipated NET patient?

constipation
did you hear the one about the constipated NET Patient?

In my neck of the woods, “did you hear the one about the ………” is normally a precursor to a witty comment, or a joke.   However, constipation for NET patients is not actually funny – read on.

Certain types of Neuroendocrine Cancer are very heavily associated with diarrhea, either as a symptom of one of the NET Syndromes (yes there is more than one …..); or as a result of surgery or certain other treatments.  Occasionally, these symptoms and side effects can all combine to make it quite a nasty and worrying side effect.

I must admit to being surprised to find myself with feelings of constipation from around 4-5 years after my treatment and I set about trying to find out why that might be. To understand why I got to this stage, I assessed the history of my treatment and what I changed in an attempt to improve my Quality of Life (QoL) – I feel there is a strong connection.

When I underwent my primary surgery (Nov 2010), my surgeon said it would take months for my ‘digestive system’ to return to some form of normality.  I soon found out what he meant, I seemed to be permanently affixed to a toilet seat (plenty of reading opportunities though ….. every cloud!).   I suddenly realised that I needed to start looking seriously at my diet.  I did find some improvements by trying to eat things that would bulk up my stools vs trying to avoid things that might increase frequency (i.e. I wanted a reduction in frequency combined with a bulkier stool). Eventually, I settled on a regime for the first couple of years and to be honest, I didn’t need to change my diet in any radical sense.  I was also determined not to take any medication (I was taking enough) and wanted this to work as naturally as possible.

Things were still not ideal and in 2013, I even remember saying to my Oncologist that although I was never misdiagnosed with IBS, I felt like I now had it. I decided to attack this issue following professional advice from one of the eminent experts in the NET specialist dietitian world – Tara Whyand.  My regime was now based on science (although it isn’t really an exact type!), that is checking the ‘at risk’  nutrient levels were OK (particularly ADEK and B12), taking supplements where necessary to help with deficiencies, and tackling things such as malabsorption and diet.

The patient has a big part to play in any improvement strategy, so in 2013/14 I experimented more and completely changed my breakfast and lunch regime to oatmeal/porridge and toast which made a significant difference. I started to avoid eating large meals and I reduced fat consumption generally. I started taking probiotics to counter the effect of any bacterial imbalance as a result of my surgery (i.e. to combat SIBO).  To keep track of everything, I set up and maintained a detailed diary to help identify things making it worse, tinkering as I went along. For those who are contemplating this sort of strategy, let me tell you – it takes time, effort and patience!

I seemed to make excellent progress with ‘frequency’, which is down to once or twice per day – i.e. I felt like a normal bloke 🙂 Quality was not consistently good but I’m of the opinion, this may be something I need to live with. Stomach cramps are reduced, as is gas and bloating reduced (I’m fairly confident that is mainly down to probiotics). Happy days, my strategy has worked.  I reduced my average daily ‘visits’ by 400% without any medicine. 

However …. (have you noticed, there’s always a ‘however’ with NET cancer?).

Although I’m generally well, I did start to think in 2016 that the balance was not quite right. My ‘visits’ were starting to last longer due to a consistent feeling of incomplete emptying – i.e. movement is OK but is followed by what seems like constipation. Additionally, I’ve had several episodes of constipation and pain with no ‘movement’ for 24-36 hours. This happened in May, September and December 2016.  Had 3 more episodes in 2017 and 2 so far in 2018.  My diary now has numerous ‘zero’ entries in the daily bowel movements column, something I never thought I would see again in my lifetime!

When you’ve had small intestinal surgery, as many midgut NET patients have, this sort of thing can be extremely worrying. A bowel obstruction can be dangerous and I’d like to avoid additional surgery at this stage. The second occurrence was particularly severe and the pain lasted for 1-2 weeks. Fortunately, the issues eventually settled and appear to have been a result of a sluggish system, although my regular scans check to see if any issues in that area might have been contributing. (Note – lactulose (oral) is awful, will never touch it again!). I seem to remember a few years ago thinking constipation would be a luxury.  I can assure you it isn’t – things need to keep moving, the opposite is much worse!

So … am I a victim of my own dietary regime success? Possibly.  The GP who assessed my constipation and pain in September 2016 told me to stop taking a Calcium supplement which was prescribed by the same practice at the beginning of that year – Calcium can slow your system down apparently (…..the calcium is a long story but it was a counter to an osteoporosis risk that I have due to long-term use of blood thinners).  I already get enough calcium (and vitamin D) through the normal channels plus supplements, so it was a low risk action. I tinkered with my diet again, reducing my fibre intake and then built up again slowly. Additionally, I could probably do with more water!  Perhaps my Lanreotide is having some effect too? In 2018, I changed my bread to one with less fibre as a test, nothing to report so far.

Is it just me with constipation issues? No….. I carried out some covert searches on forums and found this issue has been mentioned numerous times.

I suspect we need science and some specialist NET research in this area, not sure the over the counter prescription is the optimum solution.  I was therefore delighted to see a patient survey produced by NET Patient Foundation in conjunction with the Royal Free Hospital presented right in front of me in Barcelona at ENETS 2018.  In this survey (which I remember completing), they found that the most self reported side effect of somatostatin analogues was in actual fact constipation (shock horror!).

Tara poster
The poster as presented at ENETS 2018 – featuring Tara Whyand

As you can see from the picture, the survey results came along with some pertinent advice which you will already find in some of my articles co-authored by Tara Whyand who was involved in the survey results analysis.  Interestingly, Tara commented on the constipation figure pointing out that the constipated feeling may in fact be confused with ‘incomplete emptying’ as I indicated I was experiencing above.  I think she’s right.

self reported survey
Abstract posted at ENETS 2018

I’m always skeptical about patient surveys as they tend to be gathered from a very small percentage of the actual patient population and tend to be sourced from those with the worst issues (something I call ‘situating the appreciation’).  There’s a little skepticism in me about this particular survey, mainly because the results were not scientifically investigated i.e. were these self-reported side effects actually caused by somatostatin analogues or something else?

However, many of the things reported in this patient survey are issues that I know patients tend to talk about anecdotally in patient forums. Some of them are already listed on patient information leaflets (often without patients knowing I might add) so this is further confirmation of the official trial results.  Wide variances or new unlisted issues probably need looking at though.

Despite some of these side effects being listed, I believe doctors need to provide more support for patients who experience these issues.  So, even if constipation (or incomplete emptying) is not totally caused by somatostatin analogues, at least this survey should start up a dialogue.

p.s. I recently started taking Pancreatic Enzyme Replacement Therapy to combat some of the well known side effects of somatostatin analogues but not yet evaluated their overall impact with the above story.  Read about this and a Q & A session with Tara Whyand in this article – click here

Thanks for reading

Ronny

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life!

Neuroendocrine Cancer – were you irritated by your misdiagnosis?


irritable-bowel-syndrome

Look on any site about Neuroendocrine Tumours (NETs) and you’ll find the term IBS (Irritable Bowel Syndrome) frequently mentioned. That’s because it’s a common misdiagnosis for many before being formally diagnosed with NETs.

But what exactly is IBS, why is it such a common misdiagnosis for many NET patients and how can these misdiagnoses be prevented or reduced in future?  I just spent a few hours doing an online training course on IBS and I want to pass on some stuff I found to be very useful. I have never been diagnosed with IBS but having researched the issue through some training, I can understand why it might be in the thoughts of a general practitioner for many scenarios.  Much of my research was focussed on the British Society of Gastroenterology (BSG) who sponsored the online course I completed which also used material from their magazine Gut, a leading international journal in gastroenterology.

What is IBS?

Irritable bowel syndrome (IBS) is a common, long-term condition of the digestive system. It can cause bouts of stomach cramps, bloating and excessive wind, diarrhoea and/or constipation, feeling of incomplete emptying, mucus in stool; and many other symptoms (see NHS IBS siteThe symptoms vary between individuals and affect some people more severely than others. They tend to come and go in periods lasting a few days to a few months at a time, often during times of stress or after eating certain foods.  IBS is a heterogeneous condition with a range of treatments.  There are in fact different classifications of IBS and the diagram below supports the list with some context:

    • IBS-D – diarrhea based
    • IBS-C – constipation based
    • IBS-M – mix of both diarrhea and constipation

ibs-types

You can see why someone presenting with diarrhea or IBS-D type symptoms might be automatically assumed to have IBS despite the fact that these symptoms could also apply to many other conditions including several cancers.  However, what I also found is that in the UK, there is now updated guidance from NICE (National Institute for Health and Care Excellence) to aid GPs and other physicians on how to properly diagnose IBS.  In fact, the online course I undertook is one of many now being offered to medical staff as part of the new guidance. That sounds like a good thing in practice (although I did notice some differences between the BSG recommendations and what is published by NICE…….. £ )

How is IBS diagnosed?

That is considerably complex as the symptoms are fairly general.  However, I was encouraged to find that doctors should assess any ‘red flag’ indicators that would need referral to secondary care before any firm decision on IBS was made. These include (but not limited to), unintentional and unexplained weight loss, rectal bleeding, family history of bowel or ovarian cancer, a change in bowel habit to looser and/or more frequent stools persisting for more than 6 weeks in a person aged over 60 years, anaemia, abdominal masses, rectal masses, inflammatory markers for inflammatory bowel disease.  That’s very interesting because in 2010, after mentioning some unintentional weight loss, my GP said ‘anaemia’ to me and referred me to secondary care.  Perhaps I was lucky but perhaps, my GP’s team were just professional and thorough?  That said, if you’re with me so far, you can see why IBS might be an easy diagnosis to make for someone presenting with either diarrhea/constipation issues with no other obvious symptoms or abnormal test results (particularly IBS-D).

Why might NETs be frequently misdiagnosed as IBS?

Using the NICE guidelines, I noted there are a range of tests to preclude other diagnoses including: full blood count (FBC), erythrocyte sedimentation rate (ESR) or plasma viscosity, c‑reactive protein (CRP), antibody testing for Coeliac disease. Whilst abnormal results of these tests might show up something to investigate further (i.e. FBC – haemoglobin worked for me), none of them include looking ‘inside’ the patient and I guess there is a resource/finance issue involved here.

In fact, the guidelines also list a number of tests that are NOT necessary to confirm a diagnosis of IBS. These include: ultrasound, rigid/flexible sigmoidoscopy, colonoscopy, barium enema, thyroid function test, faecal ova and parasite test, faecal occult blood, hydrogen breath test.  You can see the issues ………..

The guidelines go on to say that a diagnosis of IBS should be considered only if the person has abdominal pain or discomfort that is either relieved by defecation or associated with altered bowel frequency or stool form. This should be accompanied by at least two of the following four symptoms:

  • altered stool passage (straining, urgency, incomplete evacuation)
  • abdominal bloating (more common in women than men), distension, tension or hardness
  • symptoms made worse by eating
  • passage of mucus.

    Other features such as lethargy, nausea, backache and bladder symptoms are common in people with IBS, and may also be used to support the diagnosis

I also noted that the causes of IBS are inextricably linked with Psychological issues and the guidance also includes therapies including cognitive behavioural therapies (CBT) relaxation therapies, and hypnosis.

So if you’re one of the unlucky ones who has presented with “IBS like” symptoms and have normal test results as per above, you may not get the opportunity to get to further testing to find the true diagnosis. It’s possible that you saw a physician who has not followed guidelines for diagnosing IBS, if indeed such guidelines were available to him/her.  The inclusion of psychological issues also connects with many anecdotal stories of NET patients being told they needed psychological help before eventually being diagnosed with NETs.

I can see many similarities in the descriptions of IBS symptoms and the sort of things you can read on NET forums – curiously including the effects of NET Cancer surgery and other treatment after diagnosis.

Slight digression but if this subject is of interest, you may like to comment.  I once said to my Oncologist that I felt as if I had IBS since my surgery and somatostatin analogue treatment. In fact, I told him that I thought my bowel was more than irritated, it was bloody angry 🙂  During my research, I couldn’t help noticing that some of the suggestions and recommendations for IBS are similar to that offered to a post surgical NET patient.  You may therefore like my blog series on Nutrition which was co-authored by a NET specialist dietician who is also IBS aware.

Preventing or Reducing a Misdiagnosis of IBS (all illnesses)

The course looked at this angle as it was clearly keen to emphasise this to medical people going through the module.  The NICE guidelines read like a process which must be strictly followed but at the end of the day, they are just ‘guidance’ and should not stop doctors thinking outside the box.

A recent study suggested that as many as 1 in 6 patients (~16%) with symptoms of IBS had another disease.  Approximately 7% had Crohn’s disease, 3% coeliac disease, and 2% microscopic colitis when they were formally tested. Patients with IBS-diarrhoea predominant more often had abnormalities than those with IBS-constipation predominant (interesting for NETs).  The paper stresses the importance of tailored investigation of patients presenting for the first time.

One in six patients with symptoms compatible with IBS without alarm features in this selected group exhibited organic GI disease following investigation. Assessment of alarm features in a comprehensive history is vital to reduce diagnostic uncertainty that can surround IBS. You can, if you wish, read the abstract of the paper on the link below.

The issue here is that people not meeting the criteria for further checks may be precluded for scans and other tests due to lack of clinical evidence and their diagnosis of IBS will stand.  As this was a study, clearly some of them might have gone on to present with sufficient clinical evidence to warrant more checks and subsequent diagnosis of something else at a more advanced stage.  Clearly this sounds familiar with NETs.  However, looking at the figures above, I suspect the figures for NETs IBS misdiagnoses are pretty small in comparison to those who are correctly diagnosed with IBS.  To put that into context (in the UK), according to the NHS, IBS is thought to affect up to one in five people (10,000,000 in UK alone) at some point in their life, and it usually first develops when a person is between 20 and 30 years of age and around twice as many women are affected as men.  Compare that with a UK NETs prevalence of around 40,000 (guesstimate), you can see that a misdiagnosis of IBS for NETs, is not that common.  However, one misdiagnosis is one too many. 

Summary

Having done this course and read the accompanying references (some only abstracts), I can see the scope for people with many different illnesses being misdiagnosed with IBS. However, the use of alarm symptoms and ref flag indicators should be helping to reduce this. I’m guessing that many people in first line care may not be fully aware of the IBS guidelines to be able to take heed.  I’m also guessing that in the UK (at least), a 10 minute appointment with a busy GP is just not going to solve some of these symptom clashes and many visits might be required to move forward.

It’s really difficult to advise anyone going through a diagnosis of IBS as to how to approach a physician who says they have IBS and they think this is wrong.  In the case of NETs, other cardinal symptoms may be of use in convincing physicians (e.g. flushing).  Armed with this knowledge, I would say to anyone who suspects NETs but are faced with an IBS diagnosis, take a copy of the BSG and NICE guidelines to your doctor and tick off all the differential ‘ref flag’ and ‘alarms’ issues ensuring that each has been tested before accepting the IBS diagnosis.

References used to support compilation of this blog:

NHS Site – IBS

The IBS online course (it may expire depending on when you read this post)

Prevalence of organic disease at colonoscopy in patients with symptoms compatible with irritable bowel syndrome: cross-sectional survey (abstract only, not full article)

BSG Guidelines on the irritable bowel syndrome: mechanisms and practical management (full article)

NICE Guidance – Irritable bowel syndrome in adults

Thanks for reading

Ronny

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Remember ….. in the war on Neuroendocrine Cancer, let’s not forget to win the battle for better quality of life

 

Steve Jobs – the most famous Neuroendocrine Cancer Ambassador we NEVER had

steve jobs 2010
The last few years have reminded me that life is fragile

Steve Jobs died 5 Oct 2011.  RIP Steve, you certainly made a difference to the world of technology and that is still being felt today.  I have a number of google alerts setup and every day the emails arrive in my inbox. The longest email is always the Steve Jobs one, i.e. Steve Jobs is written about more than Neuroendocrine Cancer and other connected subjects. That’s interesting because Neuroendocrine Cancer is the type Steve had, not Pancreatic as is frequently reported.

There are huge differences between Pancreatic Cancer and Neuroendocrine Cancer with a pancreatic primary – click here to read more. 

pancreatic vs neuroendocrine

I’ve mentioned Steve Jobs a few times previously, mainly in my blog The Human Anatomy of Neuroendocrine Cancer. I wrote that blog when I was frustrated about the constant misreporting of Neuroendocrine Cancer as other types of cancer. Others included Nick Robinson (see blog The Devil is in the Detail) and Wilko Johnson (The Ecstasy of Wilko Johnson).  I’ve also suggested in my blog ‘Every Day is NET Cancer Day’ that we need high-profile patient Ambassadors and despite his death, Steve Jobs would have been quite a catch, had he been willing. Curiously, the same thing is happening with Dag Kittlaus (Siri creator) who was diagnosed with a pNET last year.  To add insult to injury, the 2018 death of Aretha Franklin is gong the same way.

A lot has been written about Steve’s cancer experience and much of it is full of ‘what ifs’. However, I’d like to focus on the facts that are known and we can be almost certain about. That said, the precise detail that we (as NET patients) might want, is probably only to be found in Steve Jobs’s medical documents. Many people say that Steve Jobs had a right to personal privacy and I agree, nothing I put here isn’t already in the public domain.

Diagnosis

How was it found?  In 2003, Steve was having a CT scan to examine his kidneys and ureter, as he had developed recurrent kidney stones beginning in the late 1990s. A suspicious lesion was spotted on his pancreas. To cut a long story short, he eventually had more specialist scans and then a biopsy which diagnosed a type of Neuroendocrine Tumour.  There are many mentions of Insulinoma, a pNET which is reported to have a 10% malignancy rate (ISI Book – Woltering et al). It isn’t clear whether Steve had any presentational symptoms of an Insulinoma at this point (i.e. hypoglycemia).  There is also some chatter online about his tumour being a Glucagonoma (another type of pNET).

Initial Treatment

Steve initially tried alternative medicine before having surgery 9 months after diagnosis. There are reports of his medical team urging surgery earlier and his biographer stated that Steve had later regretted this delay. One of his Doctors is reported to have said “Steve was a very thoughtful person. In deciding whether or not to have major surgery, and when, he spent a few months consulting with a number of physicians and scientists worldwide as well as his team of superb physicians. It was his decision to do this”.  He is reported to have gone on to have a ‘Whipple’ type operation in 2004.  It was only then, that his condition was made public.  During that operation, 3 lesions were reported on his liver.

Ongoing Treatment and Surveillance

Most NET patients enter this phase after their initial treatment, it’s also the period where you learn about the cancer and how best to live with it.  There’s not much written about Jobs’ illness between his surgery and his liver transplant but my research uncovered a useful timeline from Bloomberg and other sources:

June 12, 2005: Jobs talks about his fight with cancer during a commencement speech at Stanford University. He says he was diagnosed about a year earlier and that doctors told him he wouldn’t live longer than six months. The cancer turned out to be a form that was treatable with surgery, “and I’m fine now,” he says. Source Bloomberg.  {Author’s note:  an indication he had been told, or his doctors knew, it was a Neuroendocrine Tumor}

January 24, 2006:  Walt Disney chief executive Bob Iger knew early on that Steve Jobs’s cancer had returned and kept it a secret before it became public knowledge, a new biography of Apple’s late chief executive reveals. The day the deal was officially announced, Mr Iger said he was at Pixar’s headquarters for the ceremony when Jobs asked to go for a private walk. On a secluded part of the Californian campus Jobs put his arm around Mr Iger’s shoulder and revealed his cancer was back. “Frankly, they tell me I’ve got a 50-50 chance of living five years,” the Disney CEO quoted Jobs as saying.

2007:  Not much out there except that he was busy launching what might be regarded as Apple’s most successful and iconic product ever – the iPhone.

June 9, 2008: Jobs, while introducing the iPhone 3G at Apple’s developers’ conference, appears thinner and frail. The company blames a “common bug.”

July 21, 2008: Responding to concerns about Jobs’s appearance, Apple says he has no plans to leave the company and that his health is a private matter. Investors aren’t reassured, and the shares fall 10 percent.

July 23, 2008: The New York Times reports that Jobs has been telling associates and Apple’s board he is cancer-free. Jobs had a surgical procedure earlier in the year to address a problem that contributed to his weight loss, the newspaper reports, citing unnamed people close to the executive. The shares climb 2.6 percent.

July 26, 2008: New York Times columnist Joe Nocera writes that he spoke two days earlier on the phone with Jobs, who said his health problems weren’t life-threatening. Jobs declines to go on the record about the nature of his ailment.

Sept. 9, 2008: Jobs, introducing new iPod media players at an event in San Francisco, still looks thin. “Reports of my death are greatly exaggerated,” Jobs jokes. Munster says that while the CEO’s appearance is unchanged since June, “Just the fact that Steve Jobs was up there was a positive.”

Oct. 3, 2008: A posting on CNN’s citizen journalist Web site, called iReport.com, says Jobs has been rushed to the hospital after a “major heart attack.” The shares fall 5.4pc. The stock rebounds after Apple says the report is false.

Dec. 16, 2008: Apple says that Jobs won’t be giving his usual speech at the Macworld conference, renewing concerns about his health. Jobs had used the forum to introduce new products for 11 straight years.

Jan. 5, 2009: Jobs says he is suffering from a hormone imbalance, causing him to lose weight. Jobs vows to remain CEO during treatment. “The remedy for this nutritional problem is relatively simple and straightforward,” Jobs says in an open letter.

Jan. 14, 2009: Jobs gives up day-to-day operations to Cook until June, saying his health problems are more complex than originally thought. Jobs says he will remain involved in major strategic decisions. “I look forward to seeing all of you this summer,” he says in a letter to employees.

By this stage, his cancer is already starting to take its toll on how he looks.

The disease takes its toll over the years

Liver Transplant 2009

It is common knowledge that Jobs had a liver transplant in 2009 in Tennessee (he was on the list in California and Tennessee).  In between his Whipple and then, he appears to have lived (and worked) with his disease and it’s consequences. His issues appear to have been exacerbated by his excessive vegan diet/fads and the effects of the Whipple surgery (many of you will be aware of these effects). For example, he would spend weeks eating the same thing and then suddenly change his mind and stop eating it. He’d also go on fasts. His condition immediately prior to the liver transplant was said to be ‘poor’ and losing more weight (he had been noticeably thinner for some time).

Did Steve Jobs get ‘experimental’ PRRT?

Jobs took a second medical absence for roughly six months in 2009. It wasn’t until June 20th, two months after the fact, that the Wall Street Journal uncovered the fact that Jobs had undergone a secret liver transplant at Methodist University Hospital in Memphis, Tennessee. However, during that absence, Fortune reported Jobs also took an unpublicized flight to Switzerland to undergo an ‘unusual radiological treatment’ (PRRT) at the University of Basel for neuroendocrine cancer, according to Jerry York, the Apple director who died in March 2010.

Post-Liver Transplant

In 2010, Jobs started to feel sick again. He would lose his appetite and begin to feel pains throughout his body. His doctors would do tests, detect nothing, and reassure him that he still seemed clear.  In early November 2010, he was in pain, stopped eating and had to be fed intravenously by a nurse who came to his house. The doctors found no sign of more tumours, and they assumed that this was just another of his periodic cycles of fighting infections and digestive maladies.

Heres’ a great bunch of TV interviews (something Jobs didn’t do very often).  “The last few years have reminded me that life is fragile”.  Click here (worth watching the whole 10 minutes). His final TV appearance was in June 2011 to the Cupertino City Council about the acquisition of land for their new campus.  Worth watching some of it: Click here.

The End

In early 2011, doctors detected the recurrence that was causing these symptoms. Ultimately, he developed liver, bone, and other metastases.  He had a further extended leave of absence from his job before stepping down as Apple CEO in Aug,  Steve Jobs eventually died 5 Oct 2011.

steve jobs 2010
The last few years have reminded me that life is fragile

References

Notwithstanding the Pancreatic Cancer vs Neuroendocrine Cancer issue, I carried out my research mainly using two articles of the many you can find out there:

  1.  “And one more thing” about Steve Jobs’ battle with cancer
    This is a long article and totally fascinating.  Some of the evidence is presented using extracts from Walter Isaacson’s book ‘Steve Jobs’
  2. A Tumor Is No Clearer in Hindsight.  This article comes to similar conclusions than the one above but it’s shorter and easier to read. It’s from the New York times and was written after the dust settled on Jobs’ death (i.e. when more facts were available). There is also input to this article from NET specialists Dr Wolin and Dr Libutti.

  3. Apple chief Steve Jobs: Health timeline since 2003.  This article is from a UK National Newspaper (The Telegraph) but via US Business Publication Bloomberg.

Personal Summary

“A tumor is no clearer in hindsight” is a good summary on the basis that I would have liked much more detail!  During my research, I found many mentions of Insulin as stated above but only one or two mentioning Glucagon, a hormone associated with another pNET type – Glucagonoma. However, looking at this tumor type in the ISI Book (Woltering et al) and the Jobs diagnostic and treatment story, I have some doubts whether this was the precise tumor type. I have some other searches in progress hoping to find something concrete.

Thinking Differently There is no doubt that Steve Jobs was an amazing and very interesting character.  You just can’t see Apple being the Apple it is today without his intervention.  He was famous for being ‘unconventional’ and ‘thinking different’ and I get that element of his character.  I just can’t help thinking that perhaps he should have been more ‘conventional’ with this thinking and approach to treating his cancer. However, we just don’t know what advice he was receiving and what advice he accepted or rejected.  As for the ‘Pancreatic Cancer’ thing – I’ve said this before, I believe patients only say or interpret what their doctors say to them in regards cancer type.

“The most famous patient ambassador we never had”.  I don’t mean any disrespect by that, I’m just emphasising that we need so much more awareness of our cancer and a high-profile patient could do so much to help in this area. If he was so inclined, Steve would have been a fantastic advocate for Neuroendocrine Cancer and there’s an area where perhaps thinking different might be the way ahead. However, I have a suspicion that very famous people don’t really want to talk about their illness and Steve Jobs might even perceive that as a weakness.

And one more thing …….  you may also find this article useful.  It’s titled “And one more thing”

 

Neuroendocrine Cancer – tumour markers and hormone levels


blood tests

I think most people have had a form of medical testing at some point in their life, i.e. the sampling and testing of blood, urine, saliva, stool or body tissue. In a nutshell, the medical staff are just measuring the content of a ‘substance’ and then taking a view whether this is normal or not based on pre-determined ranges. These tests are normally done as a physician’s reaction to symptom presentation or maintenance/surveillance of an existing diagnosed condition. Sometimes, abnormal results will lead to more specialist tests.

In cancer, these tests are frequently called ‘markers’. Most tumour markers are made by normal cells as well as by cancer cells; however, they are produced at much higher levels in cancerous conditions. These substances can be found in the blood, urine, stool, tumour tissue, or other tissues or bodily fluids of some patients with cancer. Most tumour markers are proteins. However, more recently, patterns of gene expression and changes to DNA have also begun to be used as tumour markers.  Many different tumour markers have been characterized and are in clinical use. Some are associated with only one type of cancer, whereas others are associated with two or more cancer types. No “universal” tumour marker that can detect any type of cancer has been found.

markers

There are some limitations to the use of tumor markers. Sometimes, noncancerous conditions can cause the levels of certain tumor markers to increase. In addition, not everyone with a particular type of cancer will have a higher level of a tumour marker associated with that cancer. Moreover, tumour markers have not been identified for every type of cancer. Tumour markers are not foolproof and other tests and checks are usually needed to learn more about a possible cancer or recurrence.

I’d also like to talk about a group of associated tests, in particular, hormone levels as these tests are really important to help determine the type of Neuroendocrine Tumour.  NETs will sometimes oversecrete hormones and this can give clues to the type.  The constraints mentioned above apply to hormone levels and other tests to a certain extent.

What this article will not cover

Routine Testing – the post will not cover routine blood tests (i.e. complete blood count etc).  Although they may point to a problem, these tests do not necessarily indicate a particular type of NET without other supporting evidence.

Biopsy Testing – Technically, the Immunohistochemical ‘stains’ used in biopsy testing are tumour markers but I’ll not be discussing that today. I did cover the output of biopsies in my blog on NETs – Stages and Grades.

Genetic Testing.  This is very specialised but you may find my Genetics and NETs article is of interest.

Sequencing of marker testing – diagnosis

The sequencing of marker testing may have been different for many patients.  In my own experience, I had a biopsy and then the biochemical checks were carried out. So regardless of the results of my marker tests, I was to be diagnosed with NETs. Those with lengthy and difficult diagnostic phases will perhaps have had a different sequence with the biochemical markers providing evidence for further tests to formally diagnose.  Markers alone will normally not be enough for a diagnosis but they do, however, feed into the treatment plan and provide a baseline at diagnosis and for tracking going forward.

Interpreting test results – International/National/Regional differences

The use of markers tends to be different on an international basis, e.g. specific marker tests can be developed in-country by independent labs. Testing can also vary in the same country as in-country labs use different commercially available ‘testing kits’. Not all tests are available in all countries.

Reference ranges can be dependent on many factors, including patient age, gender, sample population, and test method, and numeric test results can have different meanings in different laboratories. The lab report containing your test results should include the relevant reference range for your test(s). Please consult your doctor or the laboratory that performed the tests to obtain the reference range if you do not have the lab report. Moreover, the ‘normal’ test range can vary from hospital to hospital, even within the same tests. I suspect clinical staff have their own versions of risk thresholds when dealing with test results. Even when results are just above or below, individual physicians can take their own view in a subjective manner. Testing is best done at the same lab each time if possible.

There’s a great website called LabTestsOnline which can describe each test. It’s peer-reviewed, non-commercial and patient-focused but just please note you should always refer to your own lab ‘normal ranges’ which will be printed on your test results.  For these reasons, you will not find reference ranges for the majority of tests described on this web site.  The link above will take you to the list of ‘country’ affiliated versions with specific information on a country basis.

Here’s some tips I always give people:

1 – Always try to get your own copy of results (preferably on paper) and track them yourself (I use a spreadsheet).

2 – When comparing results inside patient forums, always add the range and if possible, the unit of measurement (i.e. g/L, mmol/L, umol/L etc etc).  Failure to do this can at best confuse, and at worst frighten patients.  Compare apples with apples not with pears! (this is why it’s important to know the unit of measure and the reference range in addition to the figure).

3 – Don’t get too excited about rises if the test is still inside the normal range – normal is normal!

4 – Don’t get too excited about rises taking you just outside of normal range – your doctors are looking for bigger spikes.

5. Don’t get too excited about a single test result, your doctors are looking for trends, a single test result is not much to go on.

NET Markers

Although some routine blood markers (complete blood count etc) are useful in NETs, it’s pretty much impossible to cover these in any general detail.  I’m going to focus on tumor and hormone associated markers

There are many markers involved with NETs. Some do different jobs and some are just variants measuring the same thing (more or less efficiently). You may also see something called ‘gold standard’ in reference to NET Tumour markers. Although thinking is changing (more on this below) and can vary from country to country, it is generally accepted that Chromogranin A and 5HIAA are the gold standard markers for tumour bulk and tumour functionality respectively.  These gold standard tests may not be applicable to every type of NET, particularly 5HIAA. I’m also aware that US doctors are reducing the dependency on CgA and using Pancreastatin instead (although many are measuring both).

NETs are known to be heterogeneous in nature (i.e. consisting of or composed of dissimilar elements; not having a uniform quality throughout).  Whilst some markers can be used widely, it follows that there are many very specialist marker tests for individual types of NET.  I think this applies to 3 broad categories of NETs: Tumours known to potentially oversecrete Serotonin and and perhaps others (mainly midgut), Pancreatic NETs (or pNETs) secreting various hormones by type; and other less common types and/or syndromes which might be considered by some to be even more complex than the former two and in some cases there are big overlaps.

Another interesting thing about NET markers is that an undiagnosed patient may undergo several specialist tests to eliminate the many possibilities that are being presented as vague and common symptoms.  Sometimes this is necessary to eliminate or ‘home in’ on a tumour type or syndrome/hormone involved (it’s that jigsaw thing again!).

Markers too can be divided into broad categories, those measuring how much tumour is in your body and its growth potential and those measuring how functional (or not) those tumours are.  The latter can probably be expanded to measure/assess excess hormone secretion and syndromes.

The Anatomy

Certain tests can be anatomy related so to add context and to prevent big repetitive lists when using the terms ‘foregut’, ‘midgut’ and ‘hindgut’, you may find this graphic useful.

foregut midgut hindgut

Markers for measuring Tumour bulk or load/growth prediction

Chromogranin (plasma/blood test)

cgaChromogranin is an acidic protein released along with catecholamines from chromaffin cells and nerve terminals. This statement alone might explain why it is a good marker to use with NETs.  Depending on the test kit being used, you may see test results for Chromogranin A (CgA) and Chromogranin B (CgB) – the inclusion of CgB tends to be confined to Europe. There is also mention of Chromogranin C (CgC) in places but I’ve never heard of this being used in conjunction with NETs.

One of the disadvantages of CgA is that the results can be skewed by those taking Proton Pump Inhibitors (PPIs).  Many NET patients are taking PPIs to treat GERD (….and Zollinger-Ellison Syndrome). In the long-term, this has the result of increasing gastrin levels which can lead to an increase of CgA in the blood including for some months after discontinuing.  Opinions differ but many texts I found did suggest stopping PPIs for 2 weeks before the CgA blood test.  CgB is said not be as influenced by the use of PPI as CgA. In addition to the issue with PPIs, CgA levels may also be elevated in other illnesses including severe hypertension and renal insufficiency. CgB is also said to be more sensitive to Pheochromocytoma.

Elevated CgA is a constant and somewhat excitable discussion point on patient forums and not just because of the lack of unit of measurement use I discussed above. Some people get quite excited about a single test result.  I refer to Dr Woltering et al (ISI Book) where it clearly states that changes in CgA levels of more than 25% over baseline are considered significant and a trend in serial CgA levels over time has been proven to be a useful predictor of tumour growth (i.e. a single test result with an insignificant rise may not be important on its own).  Dr Woltering also gives good advice on marker tests when he says “normal is normal” (i.e. an increased result which is still in range is normal).

Here is a nice graphic explaining what else could be the cause of elevated CgA:

causes-of-cga-elevated

CgA appears to be a widely used tumour marker and is effective in most NETs (foregut, midgut and hindgut). It is also sensitive to Pheochromocytoma, particularly when correlated with a 131I-MIBG scan. Interestingly Chromogranin can also be used in the immunohistochemical staining of NET biopsy samples (along with other methods).

As for my own experience, my CgA was only elevated at diagnosis, remained elevated after intestinal surgery but returned to normal after liver surgery (indicating the effect of liver tumour bulk on results).  It also spiked out of range when some growth in a distant left axillary node was reported in Jan 2012.  Following a lymphadenectomy, it returned to normal again and has remained in range to this day.  It has been a good predictor of tumour bulk for me and I’m currently tested every 6 months.

Pancreastatin

In effect, this marker does the same job as CgA.  Interestingly, Pancreastatin is actually a fragment of the CgA molecule. There have been many studies (mainly in the US) indicating this is a more efficient marker than CgA, and not only because it is not influenced by the use of PPI.  It has also been suggested that it’s more sensitive than CgA and therefore capable of detecting early increases in tumour burden. It has also been suggested it can be an indication of tumour ‘activity’ (whatever that means). It is widely used in the US and some physicians will use it in preference to CgA (…..although from what I read, CgA also seems to be tested alongside).  I’m starting to see this mentioned in the UK.

Neurokinin A (NKA)

This is not a well publicised test. However, it is something used in USA but I’d like to hear from others to validate its use elsewhere.  In a nutshell, this test, which only applies to well differentiated midgut NETs, appears to have some prognostic indication.  I discovered this test in the ISI NET Guidance and it’s backed up by a study authored by names such as Woltering, O’Dorisio, Vinik, et al.  This is not a one-off test but one designed to be taken serially, i.e. a number of consecutive tests.  These authors believe that NKA can also aid in the early identification of patients with more aggressive tumors, allowing for better clinical management of these patients.  NKA is sometimes called Substance K.

Neuron-Specific Enolase (NSE)

In patients with suspected NET who have no clear elevations in the primary tumor markers used to diagnose these conditions, an elevated serum NSE level supports the clinical suspicion.

Markers for measuring Tumour functionality/hormone/peptide levels

So far, I’ve covered basic tumor markers which have a tumor bulk and/or prognostic indication.  This section is a slightly more complex area and many more tests are involved. There’s often a correlation between CgA/Pancreastatin and these type of markers in many patients i.e. a serial high level of CgA might indicate a high level of tumour bulk and therefore increased production of a hormone in patients with a syndrome or oversecreting tumor. However, it frequently does not work out like that, particularly when dealing with non-functioning tumours.

The type of marker for this element of NET diagnosis and surveillance will vary depending on the type of NET and its location (to a certain extent).  Like tumour bulk/growth, there might be different options or test variants on an international basis. There are too many to list here, so I’ll only cover the most common.

Serotonin Secreting Tumors

There are a few markers in use for measuring the functionality of this grouping of tumours. This tumour group has a tendency to secrete excess amounts of the hormone Serotonin although it differs depending on the area of the primary. For example, hindgut tumours tend to secret lower levels than foregut and midgut and therefore this test may present within range.  Please also note there may be other hormones of note involved. The antiquated and misleading term ‘Carcinoid’ is sometimes used as a descriptor for these tumours and more and more NET scientific organisations and specialists are now avoiding use of this term.

lug-the-jug
Lug the Jug

5HIAA.  5HIAA is a metabolite of Serotonin thus why it’s a useful thing to measure to assess functionality in this grouping of tumours. 5HIAA is actually the ‘gold standard’ test for functioning serotonin secreting tumours. It’s a key measure of the effects of carcinoid syndrome and the risk of succumbing to carcinoid heart disease.  However, there are two methods of testing:  Urine and Plasma.  The rather obvious key difference between the two is practicality. With the 24 hour urine, there are two key issues: 1.  The logistics (i.e. lug the jug).  2. Fasting for up to 3 days prior to the test (4 if you count the day of the test). There are numerous variations on the fasting theme but most labs tend to say not to eat at least the following foods that contain high levels of serotonin producing amines: avocados, bananas, chocolate, kiwi fruit, pineapple, plums, tomatoes, and walnuts.  Some lists contain additional items. With the plasma version, the fasting period is reduced to 8 hours (although I’ve seen some labs increase that to 10 or 12). There are also medicinal limitations including drugs that can also alter 5-HIAA urine values, such as acetanilide, phenacetin, glyceryl guaiacolate (found in many cough syrups), methocarbamol, and reserpine. Drugs that can decrease urinary 5-HIAA levels include heparin, isoniazid, levodopa, monoamine oxidase inhibitors, methenamine, methyldopa, phenothiazines, and tricyclic antidepressants. Patients should talk to their doctor before decreasing or discontinuing any medications. Taking 5HTP supplements are possibly not advised either prior to the test either.

As for my own experience, my 5HIAA (urine) was elevated at diagnosis only returning to normal after removal of my primary and commencement of Lanreotide. It has been a good measure of tumour functionality for me and I’m currently tested every 6 months.

Other tests for the tumour subgroup include but not limited to:

Serum Serotonin (5-HydroxyTryptamine; 5-HT).  Firstly let’s deconflict between 5HIAA above and the serotonin (5-HT) blood test.  5HIAA is a metabolite of serotonin but the serotonin test is a measure of pure serotonin in the blood.  Morning specimens are preferred and this is a fasting test (10-12 hours).  There is always debate on forums about Serum Serotonin results.  I have Dr Liu on record as saying “a high serotonin level measured in the blood in isolation really isn’t that dangerous. It’s the 5HIAA (a breakdown product of serotonin, which is easily measured in the blood and urine) that is considered to be more indicative of persistent elevated hormone. It’s this test that is most closely related to the carcinoid heart disease”.

Substance P.   A substance associated with foregut and midgut tumours.  It is a vasoactive protein that can cause wheezing, diarrhea, tachycardia, flushing

Histamines – Usually associated with foregut tumors. Appears to be involved in patchy rashes and flushing.  The advice in the ISI NET book is no anti-histamine medication to be taken for 48 hours prior to blood draw.

Gastric NETs (Stomach)

Testing will be different depending on the Type:

  • Type 1 – Typical Low Grade, tends to be caused by atrophic gastritis.
  • Type 2 – Atypical Intermediate Grade and tends to be caused by gastrin secreting tumours.  Type 2 normally needs a check for MEN1/Zollinger-Ellison Syndrome.
  • Type 3 – Tend to be larger and more aggressive tumours.

The key makers are CgA and Gastrin although Gastrin may not be elevated in Type 3. Gastrin ph is useful to differentiate between Type 1 and Type 2.  5HIAA can be considered but Carcinoid Syndrome is rare in Gastric NETs.

NETs of the Pancreas (pNETs)

pancreatic-cells
There are many different types of cells in the pancreas

pNETs can be very difficult to diagnose and not only because they share some presentational similarities to their exocrine counterparts.  Some pNETs actually comprise tumours arising in the upper part of the duodenum (small intestine) close to the Pancreas. Moreover, more than half of pNETs are non-functional which increases the difficulty in suspecting and then finding the tumours.  However, where there is clinical presentation or suspicion, these symptoms can lead to the appropriate testing to support the output of scans. The fasting gut profile mentioned above can be useful in identifying the offending hormones when the type of NET is not yet known.

Gut Hormones (Glucagon, Gastrin, VIP, Somatostatin, Pancreatic Polypeptide)

A gut hormone screen is used for the diagnosis of a variety of endocrine tumours of the pancreas area. Analysis includes gastrin, VIP, somatostatin, pancreatic polypeptide, and glucagon, but there may be others depending on processes used by your ordering specialist or hospital.

Notes:

1. You may see this referred to as a ‘Fasting Gut Profile’ or a ‘Fasting Gut Hormone Profile’.

2.  The individual hormones measured seem to differ between hospital labs.

3.  The fasting conditions also vary between hospitals and labs but all agree the conditions are critical to the most accurate results. Always ask for instructions if you’re offered this test.

The gastrin test is usually requested to help detect high levels of gastrin and stomach acid. It is used to help diagnose gastrin-producing tumours called gastrinomas, Zollinger-Ellison (ZE) syndrome, and hyperplasia of G-cells, specialised cells in the stomach that produce gastrin. It may be measured to screen for the presence of multiple endocrine neoplasia type I (MEN) It may be used if a person has abdominal pain, diarrhoea, and recurrent peptic ulcers. A gastrin test may also be requested to look for recurrence of disease following surgical removal of a gastrinoma.

Vasoactive intestinal peptide (VIP) measurement is required for diagnosis of pancreatic tumour or a ganglioneuroma which secretes VIP. Administration of VIP to animals causes hyperglycaemia, inhibition of gastric acid, secretion of pancreatic bicarbonate and of small intestinal juice, and a lowering of systemic blood pressure with skin flush. These features are seen in patients with a tumour of this type which is secreting VIP.

Glucagon is measured for preoperative diagnosis of a glucagon-producing tumour of the pancreas in patients with diabetes and a characteristic skin rash (necrolytic migratory erythema).

Pancreatic polypeptide (PP) production is most commonly associated with tumours producing vasoactive intestinal polypeptide and with carcinoid syndrome and, less commonly, with insulinomas and gastrinomas.

When secreted by endocrine tumours, somatostatin appears to produce symptoms similar to those seen on pharmacological administration, i.e. steatorrhoea, diabetes mellitus and gall stones.

There are several types of pNETs, each with their own syndrome or hormone issue.  When they are suspected due to the presentational symptoms, the markers that could be used are listed below.  These types of tumours are complex and can be related to one or more syndromes.  A patient may be tested using multiple markers to include or exclude these.  Depending on other factors, some physicians may recommend additional marker testing in addition to the most common types below.

Insulinoma – Insulin, Proinsulin, C-peptide

Gastrinoma– Gastrin, Gastrin pH

Glucagonoma – Glucagon, Insulin, Pancreatic Polypeptide (PP), Adrenocorticotropic hormone (ACTH)

VIPoma – Vasoactive Intestinal Polypeptide (VIP), Electrolytes (due to profuse diarrhea)

Somatostatinoma – Somatostatin (plasma somatostatin like immunoreactivity)

PPoma – Pancreatic Polypeptide (PP)

Other NETs/Syndromes

Pheochromocytoma/Paraganglioma – Adrenaline-producing tumours. Plasma and urine catecholamines, plasma free total metanephrines, urine total metanephrines, vanillylmandelic acid (VMA)

Medullary Thyroid Cancer. Medullary thyroid cancer (MTC) starts as a growth of abnormal cancer cells within the thyroid – the parafollicular C cells. In the hereditary form of medullary thyroid cancer (~20% of cases, often called Familial MTC or FMTC), the growth of these cells is due to a mutation in the RET gene which was inherited. This mutated gene may first produce a premalignant condition called C cell hyperplasia. The parafollicular C cells of the thyroid begin to have unregulated growth. In the inherited forms of medullary thyroid cancer, the growing C cells may form a bump or nodule in any portion of the thyroid gland.  Unlike papillary and follicular thyroid cancers, which arise from thyroid hormone-producing cells, medullary thyroid cancer originates in the parafollicular cells (also called C cells) of the thyroid. These cancer cells make a different hormone called calcitonin, which has nothing to do with the control of metabolism in the way  thyroid hormone does.  The other test often seen in MTC is Carcinoembryonic Antigen (CEA). CEA is a protein that is usually found in the blood at a very low level but might rise in certain cancers, such as medullary thyroid cancer. There is no direct relationship between serum calcitonin levels and extent of medullary thyroid cancer.  However, trending serum calcitonin and CEA levels can be a useful tool for doctors to consider in determining the pace of change of a patient’s medullary cancer.

[please note there are extremely rare occurrences of elevated calcitonin from places outside the thyroid – read more here.

Parathyroid– Parathyroid hormone (PTH), Serum Calcium.  Parathyroid hormone (PTH) is secreted from four parathyroid glands, which are small glands in the neck, located behind the thyroid gland. Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low.  A primary problem in the parathyroid glands, producing too much parathyroid hormone causes raised calcium levels in the blood (hypercalcaemia – primary hyperparathyroidism). You may also be offered an additional test called Parathyroid Hormone-Related Peptide (PTHrP). They would probably also measure Serum Calcium in combination with these type of tests. The parathyroid is one of the ‘3 p’ locations often connected to Multiple Endocrine Neoplasia – MEN 1 – see MEN below.

Pituitary/Cushings – Adrenocorticotropic hormone (ACTH), Cortisol.

HPA AXIS – It’s important to note something called the HPA axis when discussing pituitary hormones as there is a natural and important connection and rhythm between the Hypothalamus, Pituitary and the Adrenal glands.

Adrenocorticotropic hormone (ACTH) is made in the corticotroph cells of the anterior pituitary gland. It’s production is stimulated by receiving corticotrophin releasing hormone (CRH) from the Hypothalamus. ACTH is secreted in several intermittent pulses during the day into the bloodstream and transported around the body. Like cortisol (see below), levels of ACTH are generally high in the morning when we wake up and fall throughout the day. This is called a diurnal rhythm. Once ACTH reaches the adrenal glands, it binds on to receptors causing the adrenal glands to secrete more cortisol, resulting in higher levels of cortisol in the blood. It also increases production of the chemical compounds that trigger an increase in other hormones such as adrenaline and noradrenaline. If too much is released, The effects of too much ACTH are mainly due to the increase in cortisol levels which result. Higher than normal levels of ACTH may be due to:

Cushing’s disease – this is the most common cause of increased ACTH. It is caused by a tumor in the pituitary gland (PitNET), which produces excess amounts of ACTH. (Please note, Cushing’s disease is just one of the numerous causes of Cushing’s syndrome). It is likely that a Cortisol test will also be ordered if Cushing’s is suspected.

Cortisol

This is a steroid hormone, one of the glucocorticoids, made in the cortex of the adrenal glands and then released into the blood, which transports it all round the body. Almost every cell contains receptors for cortisol and so cortisol can have lots of different actions depending on which sort of cells it is acting upon. These effects include controlling the body’s blood sugar levels and thus regulating metabolism acting as an anti-inflammatory, influencing memory formation, controlling salt and water balance, influencing blood pressure. Blood levels of cortisol vary dramatically, but generally are high in the morning when we wake up, and then fall throughout the day. This is called a diurnal rhythm. In people who work at night, this pattern is reversed, so the timing of cortisol release is clearly linked to daily activity patterns. In addition, in response to stress, extra cortisol is released to help the body to respond appropriately. Too much cortisol over a prolonged period of time can lead to Cushing’s syndrome.  Cortisol oversecretion can be associated with Adrenal Cortical Carcinoma (ACC) which can sometimes be grouped within the NET family.

Other hormones related to ACC include:

Androgens (e.g. Testosterone) – increased facial and body hair, particularly females. Deepened voice in females.

Estrogen – early signs of puberty in children, enlarged breast tissue in males.

Aldosterone – weight gain, high blood pressure.

Adrenal Insufficiency (Addison’s Disease) occurs when the adrenal glands do not produce enough of the hormone cortisol and in some cases, the hormone aldosterone. For this reason, the disease is sometimes called chronic adrenal insufficiency, or hypocortisolism.

A tumour outside the pituitary gland, producing ACTH (also called ectopic ACTH). With NETs, this is normally a pNET, Lung/Bronchial NET or Pheochromocytoma.

Multiple Endocrine Neoplasia (MEN).  Please note MEN is a group of distinct syndrome not a tumor.  Complex area and tends to be multiple instances of some of the tumours above.  For a breakdown of MEN types and locations, check out my MEN blog ‘Running in the Family’

Carcinoid Heart Disease(CHD) (Hedinger syndrome)  I’m not really talking directly about a tumour here but thought it would be useful to include a blood test called NT-proBNP.  I’ve left a link to my CHD article in the paragraph heading for those who wish to learn more about CHD in general.  For those not offered an annual Echocardiogram or are ‘non-syndromic’ there is a screening test that can give an indication of any heart issue which might then need further checks.

The Future – Molecular Markers?

This is testing using DNA and genes.  Exciting but complex – check out this article which involved some NETs.

Tumour Markers and Hormone levels – complex subject!

tt

Neuroendocrine Cancer – the diarrhea jigsaw

NETCancer Diarrhea Jigsaw

Diarrhea can be a symptom of many conditions but it is particularly key in Neuroendocrine Tumour (NET) Syndromes and types, in particular, Carcinoid Syndrome but also in those associated with various other NET types such as VIPoma, PPoma, Gastrinoma, Somatostatinoma, Medullary Thyroid Carcinoma.

Secondly, it can be a key consequence (side effect) of the treatment for Neuroendocrine Tumours and Carcinomas, in particular following surgery where various bits of the gastrointestinal tract are excised to remove and/or debulk tumour load.

There are other reasons that might be causing or contributing, including (but not limited to) endocrine problems such as hyperthryoidism, mastocytosis or Addison’s disease (which may be secondary illnesses in those with NETs).  It’s also possible that ‘non-sydromic’ issues such as stress and diet are contributing. It could be caused by other things such as Irritable Bowel Syndrome (IBS). Yes, believe it or not, NET Patients can get normal diarrhea causing diseases too!

Define Diarrhea

I want to give a general definition of diarrhea as there are many variants out there. In general, they all tend to agree that diarrhea is having more frequent, loose and watery stools. Three or more stools per day seems to be the generally accepted threshold, although some sites don’t put a figure on it.  It’s not pleasant and just about everyone on the planet will suffer it at some point in their life, perhaps with repeated episodes. Normally it’s related to some kind of bug, or something you’ve eaten and will only last a few days before it settles (acute diarrhea). Diarrhea lasting more than a couple of weeks is considered chronic and some people will require medical care to treat it.  It can also be caused by anxiety, a food allergy/intolerance or as a side effect of medicine. Pharmacists and GPs will be seeing many patients with this common ailment every single day of business.

Diarrhea induced by a Syndrome

When you consider the explanation above, it’s not really surprising that diarrhea related symptoms can delay a diagnosis of Neuroendocrine Cancer (and most likely other cancers too, e.g. pancreatic cancer, bowel cancer). For example, diarrhea is the second most common symptom of Carcinoid Syndrome (Flushing is actually the most common) and is caused mainly by the oversecretion of the hormone Serotonin from the tumours. Please note diarrhea in other types of syndromes or NETs may be caused by other hormones, for example it may also be caused by excess calcitonin in the case of Medullary Thyroid Carcinoma or VIP in the case of a functional pNET known as VIPoma. I’ve heard stories of people being told they have IBS or something similar for years before they received what is now a late diagnosis and at an advanced cancer stage. This is only one of the reasons why NETs is not an easy condition to diagnose, although it is possible that some people actually had IBS and it was masking the NET. Even after treatment to remove or reduce tumours, many people will remain syndromic and need assistance and treatment to combat diarrhea induced by a NET syndrome (see below).

Diarrhea as a Consequence (Side effect) of Treatment for Neuroendocrine Cancer and Other Conditions

All cancer treatments can have consequences and Neuroendocrine Cancer is definitely no exception here. For example, if they chop out several feet of small intestine, a chunk of your large intestine, chunks (or all) of your stomach or your pancreas, your gallbladder and bits of your liver, this is going to have an effect on the efficiency of your ‘waste disposal system’. One effect is that it will now work faster! Another is that the less effective ‘plumbing’ may not be as efficient as it was before.  There are also knock-on effects which may create additional issues with the digestive system including but not limited to; Malabsorption and SIBO.  I recommend you read my posts on Malabsorption and SIBO.

Surgery can often be the root cause of diarrhea.  A shorter gut for example, means shorter transit times presenting as increased frequency of bowel movements.  Another example is the lack of terminal ileum can induce Bile Acids Malabsorption (BAM) (sometimes known as Bile Salts Malabsorption) in degrees of severity based on size of resection. Lack of a gallbladder (common with NETs) can also complicate.  Bile Acids are produced in the liver and have major roles in the absorption of lipids in the small intestine. Following a terminal ileum resection which includes a right hemicolectomy, there is a risk that excess Bile Acids will leak into the large intestine (colon) via the anastomosis (the new joint between small and large intestines).  This leakage can lead to increased motility, shortening the colonic transit time, and so producing watery diarrhea (or exacerbating an existing condition). Although this condition can be treated using bile acid sequestrants (i.e.  Questran), it can be difficult to pinpoint it as the cause.

Surgery of the pancreas can also produce effects such as exocrine pancreatic insufficiency which can lead to a malabsorption condition known as steatorrhea which may be confused with diarrhea (although some texts call it a type of diarrhea).   It isn’t really diarrhea but it may look like it given the presentation of the faeces and patients may suffer both diarrhea and steatorrhea concurrently.  Patients will recognise it in their stools which may be floating, foul-smelling, greasy (oily) and frothy looking. Treatment options will mainly include the use of Pancreatic Enzyme Replacement Therapy or PERT for short (Creon etc).

Many non-surgical treatments can also cause diarrhea, including but not limited to; somatostatin analogues (see below), chemotherapy, biological targeted therapy (e.g. Everolimus, Sunitinib), radiotherapy.

Somatostatin analogues are an interesting one as they are designed to inhibit secretion of particular hormones and peptides by binding to the receptors found on Neuroendocrine tumour cells. This has the knock-on effect of inhibiting digestive/pancreatic enzymes which are necessary to break down the fat in our foods leading to Malabsorption of important nutrients.  This may worsen the steatorrhea in pancreatic NET patients but also lead to steatorrhea in others with non-pancreatic locations who have been prescribed these drugs.

Other conditions may actually be the cause of the diarrhea or the treatment for those conditions.  For example, it is possible that people actually do have Irritable Bowel Syndrome (IBS).  Treatment therapy for common conditions may also be contributing, for example the use of Proton Pump Inhibitors for acid reflux.

 

Treatment for Syndrome Induced Diarrhea 

Like many other NET patients, I’m on a 28 day injection of somatostatin analogues (in my case Lanreotide).  Both Octreotide and Lanreotide are designed to reduce the effects of NET syndromes and therefore can often make a difference to syndrome induced diarrhea. These drugs also have anti-tumour effect and so even if you are not syndromic or they do not halt or adequately control syndrome induced diarrhea, they are still a valuable contribution to NET treatment.

Some syndromic patients find they still have diarrhea despite somatostatin analogues and they end up having ‘rescue shots’ or pumps for relief (both of these methods tend to be Octreotide based).  (Hopefully they are not getting confused between diarrhea caused by the non-syndrome effects – see above).  Some have more frequent injections of the long acting versions of somatostatin analogues which has the effect of increasing the dosage.  There’s a new drug available for those whose carcinoid syndrome induced diarrhea is not adequately controlled or perhaps they are unable to have somatostatin analogues as a treatment. Telotristat Ethyl works by inhibiting tryptophan hydroxylase (TPH), a chemical reactor involved in the manufacture of serotonin, which is the main cause of syndrome induced diarrhea.  It was approved by the US FDA in February 2017, EU areas in September 2017, and is on the way to being approved elsewhere.  Read about this drug here.

telotristat-etiprate-clinical-trial-serotonin-as-a-key-driver-of-carcinoid-syndrome

Sorting out the symptoms – post diagnosis

I like to describe this as the Neuroendocrine Cancer jigsaw. It’s a really difficult one and sometimes you cannot find a piece, or the pieces won’t fit. However, metaphorically speaking, the missing piece might be a NET specialist presentation, a comment, statement or view from another patient, a link to an article from a reputable source, or even something you do to improve your lot – there might even be trial and error involved. It might even be this blog post!

How do you work out whether diarrhea is caused by a hormone producing tumour or by the side effects of treatments? There’s no easy answer to this as both might be contributing. One crude but logical way is to just accept that if you have normal hormone markers, for example 5HIAA (there could be more for other tumour/syndrome types), and you’re not really  experiencing any of the other classic symptoms, then your syndrome might be under control due to your treatment (e.g. debulking surgery and/or somatostatin analogues, or another drug). My Oncologist labels me as ‘non-syndromic’ – something which I agree with. I’m 99.999999% sure my issues are as a result of the treatment I’ve had and am receiving.

This disease is so individual and there are many factors involved including the type of syndrome/NET, patient comorbidities and secondary illnesses, consequences of the surgery or treatments performed, side effects of drugs – all of which is intermingled with suspicion and coincidence – it’s that jigsaw again!  I always like to look in more detail to understand why certain things might be better than others, I always challenge the ‘status quo’ looking to find a better ‘normal’.  I really do think there are different strategies for syndrome induced diarrhea and that which is a result of treatment or a side effect of treatment.  There’s also different prices, with inhibitors costing thousands, whilst classic anti-diarrhea treatments are just a few pennies.  Adjustments to diets are free!

When I was discharged from hospital after the removal of my small intestinal primary, I was in the toilet A LOT (I was actually in the toilet a lot before I was discharged – check out my primary surgery blogs here) .  My surgeon did say it would take months to get back to ‘normal’ – he was right and it did eventually settle – although my new ‘toilet normal’ was soft and loose and several times daily.  My previously elevated CgA and 5HIAA were eventually back to normal and my flushing had disappeared.  I didn’t have too many issues with diarrhea before diagnosis.  Deduction:  my issues are most likely not syndrome induced.

I read that many people find basic ‘Loperamide’ (Imodium) helps and I tend to agree with that if you are non syndromic and just need that little bit of help.  I decided long time ago I would not become ‘hooked’ and only really take it for two purposes:  1) if I have a bad patch and 2) if I’m going on a long journey (i.e. on a plane perhaps).  I estimate I’ve used 4 packets in as many years.  Loperamide decreases the activity which causes intestinal motility (peristalsis). This has the effect of increasing the time material stays in the intestine therefore allowing more water to be absorbed from the fecal matter.  Ideal for those with a shorter bowel due to surgery and advice from a medical professional is always advisable.  To reduce the risk of malabsorption induced diarrhea and steatorrhoea, both of which can lead to loss of valuable nutrients, the use of Pancreatic Enzyme Replacement Therapy (PERT) might need to be introduced as required by your NET specialist.

Have a look at Enterade – the results from trials look good.

enterade

Clearly, I cannot offer any professional medical advice on coping with diarrhea, I can only discuss my own situation and what I found worked for me. Don’t forget, like many diseases, what works for one, might not work for another. However, I did tackle my problems following the advice of an experienced dietitian who specialises in NET Cancer. That said, I was ‘sleep walking’ for over 2 years thinking my issues were just part of the way things were after my treatment.  I was wrong about that!

As for my own strategy,  here’s things that helped me:

  • made some changes to diet (they were not huge changes),
  • included supplementation where necessary,
  • reduced stress as far as is practical to do,
  • exercise,
  • maintained a diary to help with monitoring progress or setbacks,
  • hydration is also important (….still working on that one).
  • started taking PERT (Creon) on 23 Dec 2017 (changed to Nutrizym Feb 2019) but looks reasonably positive so far.

With no fancy and expensive drugs, I’ve gone from 6-8 visits to 1-2 visits (as a daily average, it’s actually 1.5).  This didn’t happen overnight though, it took a lot of time and patience.  All of this doesn’t mean to say I don’t have issues from time to time …… because I do!


In summary, I think it’s important that people be sure what is actually causing their diarrhea after diagnosis so that the right advice and the optimum treatment can be given.

Listen to Dr Wolin talking about this particular jigsaw puzzle – click here

Also see a nice article that come out of NANETS 2017 – click here

Of course, some people sometimes have the opposite effect but that’s in another blog here – Constipation

Thanks for reading

Ronny

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