Hydroxychloroquine as treatment for COVID-19 shows no benefit and more deaths in VA study

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A malaria drug widely touted by President Donald Trump for treating the new coronavirus showed no benefit in a large analysis of its use in U.S. veterans hospitals. There were more deaths among those given hydroxychloroquine versus standard care, researchers reported.

‘I think we’re all rather underwhelmed.’

— Dr. Nasia Safdar, University of Wisconsin

The nationwide study was not a rigorous experiment. But with 368 patients, it’s the largest look so far of hydroxychloroquine with or without the antibiotic azithromycin for COVID-19, which has killed more than 171,000 people as of Tuesday.

The study was posted on an online site for researchers and has been submitted to the New England Journal of Medicine, but it has not been reviewed by other scientists. Grants from the National Institutes of Health and the University of Virginia paid for the work.

See:Oxford University set to begin human trials of coronavirus vaccine

Researchers analyzed medical records of 368 male veterans hospitalized with confirmed coronavirus infection at Veterans Health Administration medical centers who died or were discharged by April 11.

About 28% who were given hydroxychloroquine plus usual care died, versus 11% of those getting routine care alone. About 22% of those getting the drug plus azithromycin died, too, but the difference between that group and those receiving usual care was not considered large enough to rule out other factors that could have affected survival.

Hydroxychloroquine made no difference in the need for a breathing machine, either.

See:These experimental drugs may help keep COVID-19 patients off ventilators

Also: Health officials say more clinical data is needed to understand whether antibodies protect recovered COVID-19 patients

Researchers did not track side effects but noted hints that hydroxychloroquine might have damaged other organs. The drug has long been known to have potentially serious side effects, including altering the heartbeat in a way that could lead to sudden death.

Earlier this month, scientists in Brazil stopped part of a hydroxychloroquine study after heart-rhythm problems developed in one-quarter of people given the higher of two doses being tested.

Many doctors have been leery of the drug.

At the University of Wisconsin, Madison, “I think we’re all rather underwhelmed” at what’s been seen among the few patients there who’ve tried it, said Dr. Nasia Safdar, medical director of infection control and prevention.

Patients asked about it soon after Trump started promoting its use, and a couple in Arizona took chloroquine phosphate as a preventative with disastrous consequences, “but now I think that people have realized we don’t know if [hydroxychloroquine] works or not” and that the matter needs more study, said Safdar, who had no role in the VA analysis.

The NIH and others have more rigorous tests underway.

Read on:Gilead drug produced ‘rapid’ recovery in coronavirus patients, report says

Originally Published on MarketWatch

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