Copper Chelation

Copper is a trace element tightly regulated within our bodies. One of copper’s functions is to promote angiogenesis (formation of new blood vessels), meaning it can also promote malignant angiogenesis, enabling tumor growth, invasion and metastasis.

Also known by these names

  • Copper depletion

Key Points

  • Copper promotes angiogenesis (formation of new blood vessels in our bodies.
  • Researchers are finding that copper chelation promotes tumor dormancy and helps prevent relapse, especially among women with triple-negative breast cancer.
  • Chelating drugs require a prescription and carry a risk of side effects.

Treating the Cancer

Working against cancer growth or spread, improving survival, or working with other treatments or therapies to improve their anticancer action

Over the years, researchers have studied how and whether removing copper from the body through a process called “chelation” affects tumor angiogenesis. Using the copper-chelating drug tetrathiomolybdate (TM) in both laboratory studies and in people with advanced cancer, researchers are finding that copper chelation promotes tumor dormancy and helps prevent relapse, especially among women with triple-negative breast cancer (TNBC).1

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Clinical Evidence

Breast Cancer

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Colorectal Cancer

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Esophageal cancer

  • No association between decreased level of ceruloplasmin with recurrence-free survival or overall survival in patients with resectable, locally advanced esophageal cancer7

Kidney Cancer

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Prostate Cancer

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Unspecified Metastatic Cancer

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Lab and Animal Evidence

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Access

TM must be compounded by a trained compounding pharmacist based on your doctor's prescription. In compounding, "ingredients are mixed together in the exact strength and dosage form required by the patient."14 TM has a short shelf life, so it is provided in one- to two-month supplies. The first month of treatment requires higher doses and the cost is about $275. After that, monthly maintenance supply costs about $200 to $235. At the time of this writing, TM is not covered by insurance. Ceruloplasmin testing is necessary while you are on TM, and testing may not be covered by insurance plans.

Pharmacy Solutions in Michigan is a compounding pharmacy that compounds TM. Their contact number is 877-797-6567.  

Cautions

Chelating drugs require a prescription, carry a risk of side effects and should be taken only as directed by a qualified healthcare professional who will monitor their use.

Chelation with TM may promote breast cancer stem cells, potentially leading to recurrence.15

Integrative Programs, Protocols and Medical Systems

For more information about programs and protocols, see our Integrative Programs and Protocols page.

Commentary

Naturopathic oncologist and BCCT advisor Jen Green, ND, FABNO, and BCCT senior researcher Laura Pole, RN, MSN, OCNS, July 15, 2019: Zinc and copper are inversely related: as zinc levels increase, copper levels decrease. A higher copper-to-zinc ratio is associated with an increased risk of some cancers, likely because copper levels increase with angiogenesis. The situation is often exacerbated by zinc depletion from chemotherapy, malabsorption, head radiation or chronic diarrhea (all common in cancer patients). Zinc is important for white blood cell function, so I (Dr. Green) am a fan of zinc supplementation.

High doses of zinc can lower copper levels, and it is used in lowering copper levels in Wilson's disease. To our knowledge it has not been used alone in clinical trials to reduce copper levels in people with cancer. I (Dr. Green) have tried high-dose zinc with molybdenum to lower copper levels in my patients, and that strategy is able to get ceruloplasmin to the low end of the normal range. However, to actually get ceruloplasmin into the 8 to 17 mg/dL range (below normal range) that was used in the Cornell study in triple negative breast cancer survivors, one has to use TM. Thankfully, TM is still currently available from one pharmacy in the US.

Written by Laura Pole, RN, MSN, OCNS, and reviewed by Nancy Hepp, MS; most recent update on July 15, 2019.

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