A small trial finds that hydroxychloroquine is not effective for treating coronavirus

On Saturday the Food and Drug Administration approved the use of two antimalarial drugs, hydroxychloroquine and a related medication, chloroquine, for emergency use to treat COVID-19. The drugs were touted by President Trump as a “game changer”for COVID-19.

However, a study just published in a French medical journal provides new evidence that hydroxychloroquine does not appear to help the immune system clear the coronavirus from the body. The study comes on the heels of two others – one in France and one in China – that reported some benefits in the combination of hydroxychloroquine and azithromycin for COVID-19 patients who didn’t have severe symptoms of the virus.

I am a medicinal chemist who has specialized in discovery and development of antiviral drugs for the past 30 years, and I have been actively working on coronaviruses for the past seven. I am among a number of researchers who are concerned that this drug has been given too much of a high priority before there is enough evidence to show it is indeed effective. Continue reading.