Scientists have raised questions about the dataset published in The Lancet last week that triggered the suspension of clinical trials around the world—and about Surgisphere Corporation, the company behind the study.
A paper published in The Lancet reported that hospitalized COVID-19 patients taking the drug had a higher risk of death, although some researchers have raised questions about the data.
The report by Didier Raoult and colleagues that examined the use of the anti-malarial drug in a small number of COVID-19 patients receives criticism from the very society that published it.
President Donald Trump has touted the drug as a treatment but scientists still don’t know for sure that it is effective in patients. A number of clinical trials aim to find out.