Copper Bracelets and Magnetic Wrist Straps for Rheumatoid Arthritis – Analgesic and Anti-Inflammatory Effects: A Randomised Double-Blind Placebo Controlled Crossover Trial

Stewart J Richmond, Shalmini Gunadasa, Martin Bland and Hugh MacPherson

PLOS ONE, 2013, vol. 8, issue 9, 1-9

Abstract: Background: Folklore remedies for pain and inflammation in rheumatoid arthritis include the application of magnets and copper to the skin. Despite the popular use of devices containing magnets or copper for this purpose, little research has been conducted to evaluate the efficacy of such treatments. Objective: To investigate whether the practice of wearing magnetic wrists straps, or copper bracelets, offers any specific therapeutic benefit for patients with rheumatoid arthritis. Design: Randomised double-blind placebo-controlled crossover trial. Methods: 70 patients, aged 33 to 79 years and predominantly female (n = 52), with painful rheumatoid arthritis were recruited from general practices within Yorkshire. Participants were randomly allocated to wear four devices in a different order. Devices tested were: a standard (1502 to 2365 gauss) magnetic wrist strap, a demagnetised ( 0.05) between the four devices in terms of their effects on pain, inflammation, physical function, disease activity, or medication use. Conclusions: Wearing a magnetic wrist strap or a copper bracelet did not appear to have any meaningful therapeutic effect, beyond that of a placebo, for alleviating symptoms and combating disease activity in rheumatoid arthritis. Trial Registration: Controlled-Trials.com ISRCTN51459023 ISRCTN51459023.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0071529

DOI: 10.1371/journal.pone.0071529

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