Convalescent plasma does not improve outcomes in patients hospitalized with severe COVID-19 pneumonia (PlasmAr) AdARRC™ May 17, 2021 Monday Weekly Update Question Does convalescent plasma improve outcomes in patients hospitalized with severe pneumonia due to SARS-CoV-2? Conclusion In this study, convalescent plasma did not improve outcomes in patients hospitalized with severe COVID-19 pneumonia. Reference Simonovich VA, Burgos Pratx LD, Scibona P, et al, for the PlasmAr Study Group. A randomized trial of convalescent plasma in Covid-19 severe pneumonia. N Engl J Med 2021;384(7):619-629. Share This Post!