Discoveries in Basic and Translational Pathobiology

The most frequently cited
Pathology journal
Eric Salazar, Katherine K Perez, Madiha Ashraf, Jian Chen, Brian Castillo, Paul A Christensen, Taryn Eubank, David W Bernard, Todd N Eagar, S Wesley Long, Sishir Subedi, Randall J Olsen, Christopher Leveque, Mary R Schwartz, Monisha Dey, Cheryl Chavez-East, John Rogers, Ahmed Shehabeldin, David Joseph, Guy Williams, Karen Thomas, Faisal Masud, Christina Talley, Katharine G Dlouhy, Bevin V Lopez, Curt Hampton, Jason Lavinder, Jimmy D Gollihar, Andre C Maranhao, Gregory C Ippolito, Matthew O Saavedra, Concepcion C Cantu, Prasanti Yerramilli, Layne Pruitt, and James M Musser
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2, has spread globally, and no proven treatments are available. Convalescent plasma therapy has been used with varying degrees of success to treat severe microbial infections for >100 years. Patients (n = 25) with severe and/or life-threatening COVID-19 disease were enrolled at the Houston Methodist hospitals from March 28, 2020, to April 14, 2020. Patients were transfused with convalescent plasma, obtained from donors with confirmed severe acute respiratory syndrome coronavirus 2 infection who had recovered. The primary study outcome was safety, and the secondary outcome was clinical status at day 14 after transfusion. Clinical improvement was assessed on the basis of a modified World Health Organization six-point ordinal scale and laboratory parameters. Viral genome sequencing was performed on donor and recipient strains. At day 7 after transfusion with convalescent plasma, nine patients had at least a one-point improvement in clinical scale, and seven of those were discharged. By day 14 after transfusion, 19 (76%) patients had at least a one-point improvement in clinical status, and 11 were discharged. No adverse events as a result of plasma transfusion were observed. Whole genome sequencing data did not identify a strain genotype-disease severity correlation. The data indicate that administration of convalescent plasma is a safe treatment option for those with severe COVID-19 disease.


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