Journal
CLINICAL IMMUNOLOGY
Volume 227, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2021.108723
Keywords
COVID-19; SARS-CoV-2; Convalescent plasma; B-cells; Rituximab
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This study demonstrates the therapeutic efficacy of convalescent plasma and plasma-based products in a subgroup of immunocompromised patients with iatrogenic B-cell depletion, showing significant clinical improvement and rapid viral clearance following plasma administration.
Severe acute respiratory syndrome coronavirus 2 infected patients, receiving background anti-CD20 therapy, were treated with convalescent plasma or plasma-based products. Eight patients were included in the study, presenting with prolonged disease course and delayed viral clearance. CP/plasma-based products were offered as an add-on therapy to standard medical treatment. All patients showed remarkable clinical and laboratory improvement. In addition, polymerase chain reaction from nasopharyngeal swabs rapidly converted to negative following plasma administration. This study emphasizes the therapeutic efficacy of convalescent plasma and plasma-based products in a subgroup of immunocompromised patients with iatrogenic B-cell depletion.
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