This is what I warned about regarding all the premature hype over #Hydroxychloroquine. @EmmanuelMacron's hype has led to #COVID19 patients in France refusing to be enrolled on randomized clinical trials where they might be randomized to placebo. https://www.sciencemag.org/news/2020/04/france-s-president-fueling-hype-over-unproven-coronavirus-treatment

Here's the key passage about Discover, a randomized trial being conducted in seven European countries.

I'm also going to say right now that I was sent a preprint of study currently undergoing peer review that suggests that, far from being effective, #Hydroxychloroquine might actually be harmful to some #COVID19 patients, at least critically ill ones. Stay tuned.

And my medical alma mater @umichmedicine has said it’s seen no evidence that #hydroxychloroquine is effective against #COVID19. https://labblog.uofmhealth.org/rounds/chloroquine-ibuprofen-and-beyond-doctors-discuss-latest-treatments-and-treatment-rumors-for

Here’s the relevant passage.