A Prospective, Randomized, Double-Masked, Placebo-Controlled Trial of High-Titer COVID-19 Convalescent Plasma (HT-CCP) for the Treatment of Hospitalized Patients With COVID-19 of Moderate Severity

Kaufman et al., NCT04361253, ESCAPE, NCT04361253, Jun 2021
45 patient convalescent plasma late treatment RCT with results not reported over 5 years after completion.
29 convalescent plasma RCTs have results missing long after expected1-29
The trials report a total of 3,534 patients, with 15 trials having actual enrollment of 1,143, and the remainder estimated.
Kaufman et al., 30 Jun 2021, Double Blind Randomized Controlled Trial, placebo-controlled, USA, trial NCT04361253 (history) (ESCAPE).
Late treatment
is less effective