22 October 2020 - Late treatment study
Convalescent plasma in the management of moderate covid-19 in adults in India: open label phase II multicentre randomised controlled trial (PLACID Trial)
et al., BMJ, doi:10.1136/bmj.m3939 (Peer Reviewed)
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.
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risk of death, 7.0% higher, RR 1.07, p = 0.74, treatment 34 of 235 (14.5%), control 31 of 229 (13.5%).
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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%).
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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%), NNT 892.
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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%), NNT 7.9, day 7.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. |
Agarwal et al., 10/22/2020, Randomized Controlled Trial, India, South Asia, peer-reviewed, 6 authors.
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