10/22 Late treatment study
et al., BMJ, doi:10.1136/bmj.m3939 (Peer Reviewed)
Convalescent plasma in the management of moderate covid-19 in adults in India: open label phase II multicentre randomised controlled trial (PLACID Trial)
Convalescent plasma in the management of moderate covid-19 in adults in India: open label phase II multicentre randomised controlled trial (PLACID Trial)
RCT 464 hospitalized patients in India, 235 treated with convalescent plasma, showing no improvement in combined death at 28 days or progression to severe disease. CTRI/2020/04/024775.
Agarwal et al., 10/22/2020, Randomized Controlled Trial, India, South Asia, peer-reviewed, 6 authors.
risk of death, 7.0% higher, RR 1.07, p = 0.74, treatment 34 of 235 (14.5%), control 31 of 229 (13.5%).
combined death at 28 days or progression to severe disease, 7.0% higher, RR 1.07, p = 0.74, treatment 44 of 235 (18.7%), control 41 of 229 (17.9%).
risk of mechanical ventilation, 1.0% lower, RR 0.99, p = 0.98, treatment 19 of 227 (8.4%), control 19 of 224 (8.5%).
risk of no virological cure, 28.0% lower, RR 0.72, p = 0.02, treatment 56 of 173 (32.4%), control 76 of 169 (45.0%), day 7.
Effect extraction follows pre-specified rules
prioritizing more serious outcomes. For an individual study the most serious
outcome may have a smaller number of events and lower statistical signficance,
however this provides the strongest evidence for the most serious outcomes
when combining the results of many trials.
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