Three of the authors of a study published last month in The Lancet on the use of the antimalaria drugs hydroxychloroquine and chloroquine to treat COVID-19 patients today requested the study be retracted because they can't vouch for the underlying data.The retraction is the latest step in a drama that's been unfolding since the study was originally published on May 22.
The observational study involving more than 96,000 patients found that hydroxychloroquine and chloroquine provided no benefit to COVID-19 patients and was associated with a higher risk of death and serious heart rhythm complications.
But critics almost immediately began questioning the validity of the data used in the study.An open letter sent last week to the editor of The
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