WHO pauses study of hydroxychloroquine in global trial

WHO pauses study of hydroxychloroquine in global trial

The World Health Organization is pausing the use of hydroxychloroquine in its global study of COVID-19 treatments amid a review of safety data, officials announced Monday.

The move follows findings from a large observational study, published Friday, that found increased risk of heart problems and death in COVID-19 patients who used chloroquine and hydroxychloroquine.

It’s a scientific decision nonetheless fraught with politics: U.S. President Donald Trump is a champion of hydroxychloroquine, revealing last week that he’s taking it to prevent COVID-19. He has threatened to cut off U.S. funding to the WHO within a month absent unspecified reforms.

The executive committee of the WHO’s Solidarity trial met on Saturday, said WHO Chief Scientist SoumyaSwaminathan, and decided “in the light of this uncertainty that we should be proactive, err on the side of caution and suspend enrollment temporarily into the hydroxychloroquine arm.” (Chloroquine is not part of the trial.)

WHO officials estimated the pause would last a week or two as the trial’s data safety monitoring board considers information already collected from the Solidarity trial and other ongoing studies to determine whether it’s safe to continue with hydroxychloroquine.

The study, a randomized trial, has enrolled 3,500 patients in at least 17 countries since March to study four medicines, including hydroxychloroquine.

Pic Credit: https://commons.wikimedia.org/wiki/File:Who_logo.svg

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