US regulators have revoked emergency approval for the use of hydroxychloroquine to treat Covid-19. Doctors will still be able to prescribe the drug, recently taken by President Donald Trump himself, for off-label use.
Citing the “totality of scientific evidence available,” Food and Drug Administration (FDA) Chief Scientist Denise M. Hinton wrote on Monday that it was “no longer reasonable to believe” that hydroxychloroquine (HCQ) and chloroquine (CQ) may be effective against the novel coronavirus, as outlined in the emergency authorization EUA 039 from April 2020.
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