Authors retract study that raised questions about drug used to treat COVID-19

Health 2020/6/5

Authors of a major study on the drug hydroxychloroquine have asked the scientific journal The Lancet to retract their study, saying they are no longer confident in its findings.

The study, initially published on May 22, raised questions about treating severely ill patients with the drug typically used against autoimmune diseases and malaria. Publication of the study, which found no benefit from the drug but potentially serious cardiac side effects, led other researchers, including the World Health Organization to halt studies of the drug. 

President Trump has touted hydroxychloroquine as a "game-changer" in the fight against COVID-19, and had taken it himself for a time, he said, hoping to prevent infection with the viral disease. 

Other studies have also raised questions about using hydroxychloroquine against COVID-19, and the French study that first led to its widespread use against the disease has been roundly criticized as sloppy and misleading. 

A study published Wednesday in the New England Journal of Medicine, for instance, found that the

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