Business & Finance
Common and Affordable Drug Can Drastically Reduce COVID Complications, Study Shows
31 August 2022 - - The widely available diabetes drug metformin reduced serious COVID outcomes by more than half if started within 4 days of symptoms, in a large, double-blind, randomized, controlled trial conducted by the University of Minnesota and published Aug. 18 in the New England Journal of Medicine, according to the Parsemus Foundation.

The multi-site COVID-OUT study compared three medications that have been considered promising--low-dose fluvoxamine, an antidepressant; ivermectin, an antiparasitic drug; and metformin, a low-cost diabetes drug.

Only metformin produced statistically significant results. Metformin reduced severe outcomes (hospitalization, emergency room visits, and death) by 42% or 55% if started within 4 days of symptoms.

The study included 1,323 individuals over 30 years old at elevated risk of severe outcomes.

It was among the first randomized clinical trials for COVID-19 that included pregnant women and the first published trial that had a majority of vaccinated participants.

These metformin results compare favorably with other approved COVID treatments. For example, a recent analysis of Paxlovid in 721 vaccinated individuals indicated a reduction of hospitalization or death of 57%.

The option to use metformin to treat COVID-19 is a game-changer thanks to its low cost, wide availability, and long history of safe use. Paxlovid is not available to many patients in low-income countries, making metformin potentially their only effective option.

The primary outcome studied included whether someone had low oxygen on a home oxygen monitor, and none of the medications in the trial prevented the primary outcome. The encouraging findings regarding metformin were a secondary outcome.

Unfortunately, the distinction between primary and secondary outcomes has led to some contradictory interpretations and commentary. The Parsemus Foundation is working to ensure that the good metformin results are not overlooked.
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