The Emergence of Baricitinib: A Story of Tortoises Versus Hares.

In the article, the authors discuss the emergence of baricitinib as a treatment for coronavirus disease 2019 (COVID-19). Topics include the approved use of baricitinib as treatment of moderate to severe rheumatoid arthritis (RA), how artificial intelligence algorithms projected the effectiveness of the drug in preventing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection of cells, and the use of baricitinib and hydroxychloroquine to treat COVID-19.