Questions raised over study claiming drug linked to higher rate of mortality and heart problems in Covid-19 patients
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The World Health Organization will resume clinical trials of an anti-malaria drug researchers hope may treat Covid-19, after a study of the drug published in May by a major medical journal prompted them to halt trials due to safety concerns.
The paper, published in the Lancet, said hydroxychloroquine was associated with higher mortality rates and higher rates of heart problems in Covid-19 patients in hospitals around the world. The finding prompted the World Health Organization’s director general, Tedros Adhanom Ghebreyesus, to announce the hydroxychloroquine arm of its Solidarity global clinical trial would pause while the study and other findings were reviewed.
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