What The Study Did: This randomized clinical trial evaluates the safety and efficacy of two chloroquine diphosphate dosages in patients with severe coronavirus disease 2019 (COVID-19).
Authors: Marcus Vinícius Guimarães Lacerda, M.D., of the Fundação de Medicina Tropical Dr Heitor Vieira Dourado in Manaus, Brazil, is the corresponding author.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(doi:10.1001/jamanetworkopen.2020.8857)
Editor's Note: The article contains conflict of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflicts of interest and financial disclosures, and funding and support.