The FDA said that new evidence from clinical trials meant that it was no longer reasonable to believe that the drug would produce an antiviral effect.But on Monday, the agency said clinical studies had suggested that hydroxychloroquine was ineffective in treating the deadly virus and failed to prevent infection among those exposed to it.”I took it and I felt good about taking it,” he told reporters on Monday, adding: “I can’t complain about it, I took it for two weeks, and I’m here, here we are.” His comments about hydroxychloroquine became the subject of widespread speculation online and controversy within the scientific community about the potential benefits and harmful effects of the drug – along with the related drug, chloroquine.Trials around the world were temporarily derailed when a study published in The Lancet claimed the drug increased fatalities and heart problems in some patients.
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