Effect of High-Titer Convalescent Plasma on Progression to Severe Respiratory Failure or Death in Hospitalized Patients With COVID-19 Pneumonia: A Randomized Clinical Trial: JAMA network open

F Menichetti, P Popoli, M Puopolo, S Spila Alegiani, G Tiseo, A Bartoloni, GV De Socio, S Luchi, P Blanc, M Puoti, E Toschi, M Massari, L Palmisano, G Marano, M Chiamenti, L Martinelli, S Franchi, C Pallotto, LR Suardi, B Luciani PasquaM Merli, P Fabiani, L Bertolucci, B Borchi, S Modica, S Moneta, G Marchetti, A d'Arminio Monforte, L Stoppini, N Ferracchiato, S Piconi, C Fabbri, E Beccastrini, R Saccardi, A Giacometti, S Esperti, P Pierotti, L Bernini, C Bianco, S Benedetti, A Lanzi, P Bonfanti, S Sani, A Saracino, A Castagna, L Trabace, M Lanza, D Focosi, A Mazzoni, M Pistello, M Falcone, for the TSUNAMI Study group

Research output: Contribution to journalArticlepeer-review

Abstract

Importance: Convalescent plasma (CP) has been generally unsuccessful in preventing worsening of respiratory failure or death in hospitalized patients with COVID-19 pneumonia. Objective: To evaluate the efficacy of CP plus standard therapy (ST) vs ST alone in preventing worsening respiratory failure or death in patients with COVID-19 pneumonia. Design, setting, and participants: This prospective, open-label, randomized clinical trial enrolled (1:1 ratio) hospitalized patients with COVID-19 pneumonia to receive CP plus ST or ST alone between July 15 and December 8, 2020, at 27 clinical sites in Italy. Hospitalized adults with COVID-19 pneumonia and a partial pressure of oxygen-to-fraction of inspired oxygen (Pao2/Fio2) ratio between 350 and 200 mm Hg were eligible. Interventions: Patients in the experimental group received intravenous high-titer CP (≥1:160, by microneutralization test) plus ST. The volume of infused CP was 200 mL given from 1 to a maximum of 3 infusions. Patients in the control group received ST, represented by remdesivir, glucocorticoids, and low-molecular weight heparin, according to the Agenzia Italiana del Farmaco recommendations. Main outcomes and measures: The primary outcome was a composite of worsening respiratory failure (Pao2/Fio2 ratio
Original languageEnglish
Article numbere2136246
JournalJAMA Netw. Open
Volume4
Issue number11
DOIs
Publication statusPublished - 2021

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