Journal retracts study that promoted hydroxychloroquine as Covid treatment

A controversial study that promoted hydroxychloroquine, an antimalarial drug, as a treatment for Covid-19 has officially been withdrawn.

On Tuesday, Elsevier, a Dutch academic publishing company which owns the International Journal of Antimicrobial Agents, issued the retraction of the March 2020 study, saying “concerns have been raised regarding this article, the substance of which relate to the articles’ adherence to Elsevier’s publishing ethics policies and the appropriate conduct of research involving human participants”.