More evidence against hydroxychloroquine as COVID-19 therapy

A US observational study suggests it neither helps nor harms

Hydroxychloroquine has again failed to show a benefit in patients hospitalised with COVID-19, according to an observational study.

hydroxychloroquine pills

In the US study, 811 patients with COVID-19 received hydroxychloroquine while 565 did not, the authors reported in the New England Journal of Medicine.

Among patients given hydroxychloroquine, 32% ended up needing a ventilator or dying, compared with 15% of patients who were not given the drug.

However, the originally sicker patients were more likely to be

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