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Chelation: Compounding Pharmacy’s Problems

Chelation is the provision of a substance to increase the body’s excretion of heavy metals. In poisoning situations (lead, aluminum, iron, etc.), chelation is medically necessary, objectively effective, and approved for use. But the same term has a completely different meaning in the alternative medicine universe, where proponents often believe heavy metal toxicity is the “one true cause” of disease, and chelation can undo microvascular inflammation, atherosclerosis, and even aging itself. From early days as an unproven treatment of coronary artery disease, its use has expanded to include autism, Alzheimer’s disease, cancer, and dozens of other diseases. Today, chelation is widely available. Regrettably, my own profession, pharmacy,  facilitates this pseudoscience by manufacturing and selling chelation products.

Provoked urine tests are a common entry point to chelation therapy. Patients are given a product to provoke heavy metal excretion. The urine is tested and the patient is informed that they’re “toxic” and require chelation. Unfortunately, these results are meaningless and provide no evidence that chelation is medically necessary. But that’s the justification used for advocating a treatment regimen that will be useless at best and fatal at worst. A recent Medical Letter review concluded:

Medical Letter consultants believe that the use of chelation therapy in non-standard protocols for unsubstantiated indications should be discouraged. The results of provoked urine testing are not an acceptable basis for such treatment.

Providing chelation to patients isn’t a straightforward matter. It’s typically an intravenous infusion (though there are some oral products). Unless you’re part of the dubious TACT trial, which has administration centres across the United States and Canada, there are few products commercially available. For example, edetate calcium disodium (EDTA) is approved for sale in the United States but not Canada. Edetate disodium (also called EDTA) is not approved for sale in either country. But these products are widely available: they’re manufactured by pharmacists in pharmacies.
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Posted in: Health Fraud, Medical Ethics, Pharmaceuticals

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