Copper depletion - Trial or taking the drug outside of trial?
Anyone involved in the copper depletion trial or taking the drug (tetrathiomolybdate) outside of the trial? Have read about the promising phase 2 results and am interested in hearing more about it. Can you take it during chemo? Is it available outside of trial, if so where?
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you need to be NED or stage 3. No you cannot be on chemo but targeted therapy. I went for a consult when they were taking new patients. I believe it's closed.
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grahaad1, I think copper reduction may end up playing an ever-larger role in treating MBC in the future.
TM can be procured via a doctor’s prescription, and patients must be followed closely by a doctor when undertaking TM copper reduction. Patients’ copper levels must be by the doctor both for copper levels and for anemia.
There are several compounding pharmacies that make TM, but it is an involved process which is a bit complicated.Below are my notes about it.
Wishing you the best, whatever you decide!
Tetrathiomolybdate (TM), a Copper Reducing Drug: In a study of 29 patients with either stage 3 or stage 4 breast cancer who were NED (No Evidence of Disease) and who took the copper-reducing drug tetrathiomolybdate (TM), the progression-free survival rate has been 85% to date. Additionally, in a very small study of 11 women with TNBC MBC (which is the most difficult MBC to treat), only two of 11 study participants relapsed within 10 months after using the anti-copper drug. According to the researchers, copper is essential to the metastatic process. Copper is a key component of enzymes that help turn on angiogenesis (the formation of new blood vessels, which is essential for tumors to grow) in the tumor microenvironment. Copper also appears to play a role in directing cancer cell migration and invasion. TM is a copper chelation compound (chelation involves the removal of heavy metals) that has been used to treat Wilson's disease, a hereditary copper metabolism disorder. As of January 2015, a Phase II study is underway for patients with MBC who are currently NED (No Evidence of Disease). Hopefully more studies will follow. From: http://weill.cornell.edu/news/pr/2013/02/copper-depletion-therapy-keeps-high-risk-triple-negative-breast-cancer-at-bay.html
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This is very interesting, thank you for posting about it.
So it may be a viable treatment for any MBC patient? (but their testing was only on TNBC?)
One other question, with any clinical trial is there always 3 phases then possibly approval for use if all goes well? (So in other words, this treatment still needs a phase III before it is approved?)
Thank you again.
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MusicLover, my Naturopathic oncologist (NO) tests my copper levels regularly (I am ER+). I think it may be worth looking into for any MBC patient, but it is a tricky therapy in that it can cause anemia, so patients who undergo it must be closely followed.
It is an FDA-approved drug (I think for Wilson's disease). But insurance may or may not cover it for MBC (my guess would be not, but there may be exceptions!)
If MBC clinical trials with the drug go well, then it potentially could be approved for MBC - and covered by insurance.
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BestBird, Thank you. I also should have asked if this drug was given alone or with another treatment? I read through the article quickly but it wasn't clear to me.
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MusicLover, you are welcome! The thing about supplemental therapies is that one would not want them to interfere with conventional therapy. That's very much why I consult with a NO. Before then, for example, I'd placed myself on milk thistle, thinking it's good for the liver. Only to find out once I started working with my NO that it could interfere with Letrozole.
So as far as copper depletion therapy is concerned, it would definitely be worth discussing with your doctor.
With best wishes!
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Thanks for the information! I have a call into Dr. Vahdat's trial nurse to get some additional information. I just had surgery to remove a solitary lung met and will find out next week if my oncologist recommends chemo. I am definitely considering the copper depletion following chemo if I am able to stay NED until then!
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The things I learn here! Milk thistle interfering with Letrozole. I will have to look into that! I will be watching for more info on copper depletion. Interesting.
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In addition to a traditional oncologist, I have been under the care of a Naturopath in Oregon and an Integrative MD in California who has been using tetrathiomolybdate for 15 years for stage IV cancer patients. In the experience of the MD I work with, they have not seen a relapse in a stage IV patient after taking tetrathiomolybdate for 3 years. I consider that exceptional. Apparently, the 3 year treatment with tetrathiomolybdate causes microscopic metastatic cells to go dormant.
Here are some details:
Tetrathiomolybdate chelates (removes) copper from your body. Copper is integral to cancer cells for building a blood supply (angiogenesis) to feed it. If you take away the ability of the cancer cell to grow, it basically starves and cannot grow. It goes dormant, hypothetically. No one knows for sure.
You have to be NED to start the treatment. It took me 16 months to get there with Femara, Herceptin, ablation to sternal mets and the primary breast tumor, cleaning up my diet, exercise, herbal supplements, meditation and a few other things.
One needs to be followed by an MD or DO as the ceruloplasmin level, white and red blood counts need to be monitored, and you have to have someone to write a prescription for the tetrathiomolybdate. Most unfortunately, a regular MD or oncologist is not going to do this as they are totally ignorant about this type of treatment. Ceruloplasmin measures how well the tetrathiomolybdate is chelating copper out of your body. A ceruloplasmin measurement of 8-12 for three years is the goal. I had some slight anemia which is not unusual. If the anemia becomes too severe or the white blood count falls too low, the dosage of tetrathiomolybdate is adjusted and the blood counts go back up very quickly. I never experienced any difficulty or adverse effects from taking tetrathiomolybdate.
It is important to avoid eating foods with high copper content such as shellfish, dark chocolate, and organ meats like liver while on the treatment and post treatment. Other than that, it is an easy treatment that holds much promise and hope. It is also important during and post treatment to avoid "inflammation." The inflammation to avoid is that which is caused by eating sugars, starches, non grass-pastured meats and dairy products, undergoing unnecessary surgery. As a matter of point, right after going off tetrathiomolybdate, I had to have an unavoidable surgery on a torn biceps and torn rotator cuff. Sure enough, 3 months later some mediasteinal lymph nodes lit up on PET. I consulted with a Breast Cancer Immunologist and my other MD and Naturopath who recommend waiting 3 months before getting alarmed and thinking the worst. It was her opinion that the lymph nodes were hyperactivated from the inflammation of the shoulder surgery. By June, my PET was clear.
There are a few compounding pharmacies that will provide tetrathiomolybdate with a prescription. It is NOT covered by insurance and costs about $250 per month while on the full dose. Labwork is usually covered by insurance.
The Integrative MD is worked with is no longer in practice. He has retired to conduct research for Breast Cancer. The Naturopath I currently work with is Dr. Mark Bricca in Ashland, Oregon. The pharmacy I used to compound the tetrathiomolbdate (T M for short) is The Prescription Center in Wisconsin. You can find both of them with a Google search. If you need a practitioner in your area to prescribe T M and monitor your treatment, I would call the Prescription Center and ask to speak to Wayne Loveland. He fills prescriptions from all over the US and would know who prescribes it. There are other pharmacies that compound TM and you could ask for a reference from them as well I would hope.
I will check back from time to time to see if anyone has any questions.
With love and best wishes to all of you in your journey,
Sherry
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This is very interesting. I noticed that one has to be NED for the trial, but why would you need to be NED before the treatment with TM would be beneficial? Many of us with mets will never be NED, even if we have been stable for years, as the tumor load is too large.
Also, you mentioned not eating foods high in copper. Glittermom- is it your feeling that women not taking TM could benefit by eliminating these foods, or would it be too little too late.
Thanks for your posts and the thread, all.
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My understanding is that for some reason, TM treatment cannot work with any tumor load. I believe there were some women in the Weil TM study that progressed on TM and the thought was that microscopic mets not large enough to be visible on PET had already started growing before TM treatment was started.
I am not sure if avoiding foods with copper would help. It certainly could not hurt.
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gliitermom1: How long after your regular treatment and determination of NED did you start the tetrathiomolybdate? Who was the integrative MD from California (the one not practicing anymore) who was working with you?
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trial 3 underway?
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Hello all- looking for information about copper depletion to treat TNBC or BC. I want my mom to try this treatment while she is NED.
Thank you!
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- Tetrathiomolybdate (TM), a Copper Reducing Drug: In a study of 29 patients with either stage 3 or stage 4 breast cancer who were NED (No Evidence of Disease) and who took the copper-reducing drug tetrathiomolybdate (TM), the progression-free survival rate has been 85% to date.Additionally, in a very small study of 11 women with TNBC MBC (which is the most difficult MBC to treat), only two of 11 study participants relapsed within 10 months after using the anti-copper drug.According to the researchers, copper is essential to the metastatic process.Copper is a key component of enzymes that help turn on angiogenesis (the formation of new blood vessels, which is essential for tumors to grow) in the tumor microenvironment.Copper also appears to play a role in directing cancer cell migration and invasion.TM is a copper chelation compound (chelation involves the removal of heavy metals) that has been used to treat Wilson's disease, a hereditary copper metabolism disorder. From:
- Note: In a Phase I study of 18 metastatic patients (but not necessarily mbc – there were several cancer types) on this therapy. "Fourteen patients achieved the target copper deficiency before disease progression or other disease complications. Of these, eight patients either progressed within 30 days of achieving copper deficiency or have had stable disease for <90 days; it is unlikely that most of these tumors experienced an antiangiogenic environment long enough to evaluate clinical response to this type of therapy. In all patients removed from the protocol… much more rapid rates of progression of disease were noted clinically after discontinuation of TM therapy. (So this is a caution regarding potential rebounding effects after TM discontinuation). From: http://clincancerres.aacrjournals.org/content/6/1/1.full
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