Iron chelators and Parkinson’s disease – always full of promise

A search for “iron chelation” and “Parkinson’s” pulls up 460 cites in PubMed. Given iron chelators worked in Parkinson’s disease that would be outstanding. Iron chelation in Parkinson’s disease, however, always seems to be full of promise but there have been no payoffs in terms of treatment. There are many, many ways available to chelate iron. Quercetin is for example a quite effective iron chelator. Polyphenols are quite effective iron chelators. Deferiprone, which an iron chelator, has been tried in Parkinson’s disease. Deferirone is not significantly effective in the treatment of Parkinson’s disease.

Why haven’t iron chelators worked by now in Parkinson’s disease? Perhaps because iron chelators can’t work in Parkinson’s disease. There could be difficulties with iron in Parkinson’s disease but those difficulties could be due dysregulations of iron metabolism rather than due to iron being toxic per se.

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