‘The National Institutes of Health has halted a clinical trial evaluating the safety and effectiveness of COVID-19 convalescent plasma in treating emergency department patients who developed mild to moderate symptoms of COVID-19, the disease caused by the coronavirus SARS-CoV-2.
‘An independent data and safety monitoring board (DSMB) met on Feb. 25, 2021 for the second planned interim analysis of the trial data and determined that while the convalescent plasma intervention caused no harm, it was unlikely to benefit this group of patients. After the meeting, the DSMB recommended that the National Heart, Lung, and Blood Institute (NHLBI), part of NIH, stop enrolling new patients into the study. NHLBI did so immediately.’
Read here (NIH, Mar 2, 2021)