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A randomized double-blind controlled trial of convalescent plasma in adults with severe COVID-19
Max R. O’Donnell, … , Andrew Eisenberger, Walter I. Lipkin
Max R. O’Donnell, … , Andrew Eisenberger, Walter I. Lipkin
Published May 11, 2021
Citation Information: J Clin Invest. 2021;131(13):e150646. https://doi.org/10.1172/JCI150646.
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Clinical Medicine COVID-19

A randomized double-blind controlled trial of convalescent plasma in adults with severe COVID-19

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Abstract

BACKGROUND Although convalescent plasma has been widely used to treat severe coronavirus disease 2019 (COVID-19), data from randomized controlled trials that support its efficacy are limited.METHODS We conducted a randomized, double-blind, controlled trial among adults hospitalized with severe and critical COVID-19 at 5 sites in New York City (USA) and Rio de Janeiro (Brazil). Patients were randomized 2:1 to receive a single transfusion of either convalescent plasma or normal control plasma. The primary outcome was clinical status at 28 days following randomization, measured using an ordinal scale and analyzed using a proportional odds model in the intention-to-treat population.RESULTS Of 223 participants enrolled, 150 were randomized to receive convalescent plasma and 73 to receive normal control plasma. At 28 days, no significant improvement in the clinical scale was observed in participants randomized to convalescent plasma (OR 1.50, 95% confidence interval [CI] 0.83–2.68, P = 0.180). However, 28-day mortality was significantly lower in participants randomized to convalescent plasma versus control plasma (19/150 [12.6%] versus 18/73 [24.6%], OR 0.44, 95% CI 0.22–0.91, P = 0.034). The median titer of anti–SARS-CoV-2 neutralizing antibody in infused convalescent plasma units was 1:160 (IQR 1:80–1:320). In a subset of nasopharyngeal swab samples from Brazil that underwent genomic sequencing, no evidence of neutralization-escape mutants was detected.CONCLUSION In adults hospitalized with severe COVID-19, use of convalescent plasma was not associated with significant improvement in day 28 clinical status. However, convalescent plasma was associated with significantly improved survival. A possible explanation is that survivors remained hospitalized at their baseline clinical status.TRIAL REGISTRATION ClinicalTrials.gov, NCT04359810.FUNDING Amazon Foundation, Skoll Foundation.

Authors

Max R. O’Donnell, Beatriz Grinsztejn, Matthew J. Cummings, Jessica E. Justman, Matthew R. Lamb, Christina M. Eckhardt, Neena M. Philip, Ying Kuen Cheung, Vinay Gupta, Esau João, Jose Henrique Pilotto, Maria Pia Diniz, Sandra Wagner Cardoso, Darryl Abrams, Kartik N. Rajagopalan, Sarah E. Borden, Allison Wolf, Leon Claude Sidi, Alexandre Vizzoni, Valdilea G. Veloso, Zachary C. Bitan, Dawn E. Scotto, Benjamin J. Meyer, Samuel D. Jacobson, Alex Kantor, Nischay Mishra, Lokendra V. Chauhan, Elizabeth F. Stone, Flavia Dei Zotti, Francesca La Carpia, Krystalyn E. Hudson, Stephen A. Ferrara, Joseph Schwartz, Brie A. Stotler, Wen-Hsuan W. Lin, Sandeep N. Wontakal, Beth Shaz, Thomas Briese, Eldad A. Hod, Steven L. Spitalnik, Andrew Eisenberger, Walter I. Lipkin

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ISSN: 0021-9738 (print), 1558-8238 (online)

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