In a recent press release, Sanofi and Regeneron Pharmaceuticals, Inc announce that they have initiated a clinical program evaluating Kevzara® (sarilumab) in patients suffering from severe COVID-19. This drug is a monoclonal antibody that inhibits interleukin 6 (IL-6) by blocking its receptor. Preliminary data suggests that IL-6 may play an important role in driving acute respiratory distress syndrome (ARDS) in critically ill COVID-19 patients.