Hydroxychloroquine is an immunosuppressive drug approved for the treatment of malaria and repeatedly praised by US President Donald Trump, who claims to have taken it to ward off Covid-19. The US recently sent two million doses of hydroxychloroquine to Brazil to fight Covid-19, however, the use of hydroxychloroquine as a treatment in Covid-19 clinical trials is currently under debate. A study published by The Lancet on 22 May 2020 showed that hydroxychloroquine increased the risk of death in Covid-19 patients.
Currently, there are 398 Covid-19 clinical trials using hydroxychloroquine and/or chloroquine as a primary or secondary intervention, signalling more data are on the way to determine if hydroxychloroquine is an effective treatment against Covid-19.
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