Home » Awareness » A deadly cloud but with a silver lining for Cancer: Chemotherapy for Neuroendocrine Cancer

A deadly cloud but with a silver lining for Cancer: Chemotherapy for Neuroendocrine Cancer

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One of the great things about learning is that it never ends 🙂   I came across this piece of information about how chemotherapy was invented. I had no idea.  It began as a deadly cloud but it eventually ended up as a silver lining for certain cancer patients.  It all began with the development of mustard gas and I’m sure we’ve all seen the awful pictures of solders leading each other from the battlefield having been affected by this ‘deadly cloud‘.  Let’s hope we never have to witness that again.  This weapon was first used 100 years ago this week (note: blog published in Apr 2015) but out of the horror came a ‘silver lining‘ – the idea behind what is now called chemotherapy.

However, the development didn’t really begin until the second world war when two doctors from Yale University (Louis Goodman and Alfred Gilman), conducted animal and then human trials.  Then in 1948, UK scientist Professor Alexander Haddow published a ground breaking piece of research in the journal Nature, showing exactly which bits of the nitrogen mustard molecule were needed to kill cancer cells. Perhaps more importantly, he also found out how to make the chemical less toxic, but with more potent cancer-killing activity. So mustard gas went from the very real battleground of the WWI trenches into the frontline of cancer treatment where it still is today.

You can read more about this on the Cancer Research UK Science Blog

Chemotherapy and Neuroendocrine Cancer

One of the unusual aspects of Neuroendocrine Cancer is that chemotherapy is not normally considered as a standard treatment unlike many other cancers. The exception is high grade (Grade 3) where it is normally a first line therapy.  Poorly differentiated Neuroendocrine disease is normally labelled as Neuroendocrine Carcinoma or NEC for short but there is now a Grade 3 well differentiated classification still known as a Grade 3 NET.  The type of chemo or the combination of different treatments will depend on the type and anatomical location  of the High Grade tumour involved but may include (but not limited to) chemos such as Cisplatin, Etoposide, Carboplatin, Paclitaxel, Irinotecan, Folfox.

However, cytoxic chemotherapy is often inadequate for treatment of Grade 1 and 2 Neuroendocrine tumours, because these tumours tend to have a well-differentiated histology and low proliferation index – standard chemotherapy does not appear to like their slow cytokinetic growth.  My Oncologist did mention Chemotherapy on my initial meeting and I was once scheduled to have a chemo-embolisation (TACE, Trans-arterial Chemo Embolization) but it never occurred due to post surgical routing issues. Clearly TACE is more targeted than conventional and generally systemic chemotherapy techniques.

For second line therapy (including for well differentiated NETs where other conventional treatments are not working), chemo may be given.  These include (but not limited to) Capecitabine, Temozolomide, Bevacizumab, Xelox, Folfox.  There are other specialist chemos for Mixed Neuroendocrine Non-Neuroendocrine Neoplasms (MiNEN).

Capecitabine plus Temozolomide (CAPTEM for short) is fast becoming a treatment used on low grade NETs.  Dr Robert Fine says the results of the trial showed “tremendous responses in every neuroendocrine tumor”. The treatment elicited a response rate of 45% and a stable disease rate of 52% including those with certain types of NETs and pituitary tumours – types of neuroendocrine tumour that are notoriously ‘chemoresistant’.  You can read more about this here (click here) and you can also listen to Dr Fine enthusiastically talking about this on a short You Tube video clip – (click here).

Other CAPTEM Resources:

  • There’s a very interesting report on the use of CAPTEM in NETs – (click here)
  • CAPTEM Trial Document – (click here)

PRRT and Chemo Combo Treatment

In Australia, they’re also using a combo treatment of chemo (CAPTEM) and PRRT – I blogged about this click here.

“Chinese Dumplings”

There’s also a useful surgical technique which includes the use of intra-operative chemo, known as “Chinese Dumplings” – I blogged about this click here.

Chemotherapy vs Targeted Biological Agents

I often see people describing Somatostatin Analogues, Afinitor (Everolimus) and Sutent (Sunitinib) as chemo but that’s isn’t technically correct and I’ve yet to find a NET Specialist or a NET Specialist Organisation who classifies these drugs as chemo.   See my article “Chemo or not Chemo” (click here).

Future of Chemo?

A lot is written about how much longer chemo will be around.  It gets a bad press – I suspect mainly due to the side effects.  There are suggestions that it will eventually be replaced by Immunotherapy and other treatments downstream.  Immunotherapy is really still in its infancy and there’s no doubt it’s the next big thing, but I suspect chemo will be around for a while longer, particularly for cancers where it has a track record of curing according to ASCO.  Please check out my “Immunotherapy and NETs” article.

If in doubt about suitability for any form of chemo, patients should seek the advice of a NET specialist.

Thanks for reading


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



  1. Garry says:

    I am currently on captem and it has reduced the tumours by 50%, great news, i feel great.

    Liked by 1 person

  2. zebrakat says:

    Very educational, you do learn something new everyday. 😄

    Liked by 1 person

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