Early safety indicators of COVID-19 convalescent plasma in 5000 patients

Michael J. Joyner, R. Scott Wright, Delisa Fairweather, Jonathon W. Senefeld, Katelyn A. Bruno, Stephen A. Klassen, Rickey E. Carter, Allan M. Klompas, Chad C. Wiggins, John R.A. Shepherd, Robert F. Rea, Emily R. Whelan, Andrew J. Clayburn, Matthew R. Spiegel, Patrick W. Johnson, Elizabeth R. Lesser, Sarah E. Baker, Kathryn F. Larson, Juan G. Ripoll, Kylie J. AndersenDavid O. Hodge, Katie L. Kunze, Matthew R. Buras, Matthew N.P. Vogt, Vitaly Herasevich, Joshua J. Dennis, Riley J. Regimbal, Philippe R. Bauer, Janis E. Blair, Camille M. Van Buskirk, Jeffrey L. Winters, James R. Stubbs, Nigel S. Paneth, Nicole C. Verdun, Peter Marks, Arturo Casadevall

Research output: Contribution to journalArticlepeer-review

124 Scopus citations

Abstract

BACKGROUND. Convalescent plasma is the only antibody-based therapy currently available for patients with coronavirus disease 2019 (COVID-19). It has robust historical precedence and sound biological plausibility. Although promising, convalescent plasma has not yet been shown to be safe as a treatment for COVID-19. METHODS. Thus, we analyzed key safety metrics after transfusion of ABO-compatible human COVID-19 convalescent plasma in 5000 hospitalized adults with severe or life-threatening COVID-19, with 66% in the intensive care unit, as part of the US FDA expanded access program for COVID-19 convalescent plasma. RESULTS. The incidence of all serious adverse events (SAEs), including mortality rate (0.3%), in the first 4 hours after transfusion was <1%. Of the 36 reported SAEs, there were 25 reported incidences of related SAEs, including mortality (n = 4), transfusion-associated circulatory overload (n = 7), transfusion-related acute lung injury (n = 11), and severe allergic transfusion reactions (n = 3). However, only 2 of 36 SAEs were judged as definitely related to the convalescent plasma transfusion by the treating physician. The 7-day mortality rate was 14.9%. CONCLUSION. Given the deadly nature of COVID-19 and the large population of critically ill patients included in these analyses, the mortality rate does not appear excessive. These early indicators suggest that transfusion of convalescent plasma is safe in hospitalized patients with COVID-19.

Original languageEnglish (US)
Pages (from-to)4791-4797
Number of pages7
JournalJournal of Clinical Investigation
Volume130
Issue number9
DOIs
StatePublished - Sep 1 2020

ASJC Scopus subject areas

  • Medicine(all)

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