Small RCT in Iran with 20 ICU patients, 10 treated with high-dose vitamin C, melatonin, and zinc, not showing significant differences. IRCT20151228025732N52.
Darban et al., 12/15/2020, Randomized Controlled Trial, Iran, Middle East, peer-reviewed, 8 authors, this trial uses multiple treatments in the treatment arm (combined with melatonin and zinc) - results of individual treatments may vary.
risk of disease progression, 33.3% lower, RR 0.67, p = 1.00, treatment 2 of 10 (20.0%), control 3 of 10 (30.0%).
ICU time, 6.0% lower, relative time 0.94, p = 0.30, treatment 10, control 10.
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.