RCT 70 ivermectin+doxycycline patients and 70 control patients showing reduced time to recovery and reduced mortality with treatment. Earlier treatment was more successful. For ethical reasons, critical patients were all in the treatment group.
Hashim et al., 10/26/2020, Single Blind Randomized Controlled Trial, Iraq, Middle East, peer-reviewed, 7 authors, dosage 200μg/kg days 1-2, some patients received a third dose on day 8, this trial uses multiple treatments in the treatment arm (combined with doxycycline) - results of individual treatments may vary.
risk of death, 91.7% lower, RR 0.08, p = 0.03, treatment 0 of 59 (0.0%), control 6 of 70 (8.6%), continuity correction due to zero event (with reciprocal of the contrasting arm), excluding non-randomized critical patients.
risk of death, 67.1% lower, RR 0.33, p = 0.16, treatment 2 of 70 (2.9%), control 6 of 70 (8.6%), odds ratio converted to relative risk, including critical patients that were always allocated to treatment.
risk of disease progression, 83.1% lower, RR 0.17, p = 0.07, treatment 1 of 59 (1.7%), control 7 of 70 (10.0%), excluding non-randomized critical patients.
risk of disease progression, 57.4% lower, RR 0.43, p = 0.20, treatment 3 of 70 (4.3%), control 7 of 70 (10.0%), odds ratio converted to relative risk, including critical patients that were always allocated to treatment.
recovery time, 40.7% lower, relative time 0.59, p < 0.001, treatment 70, control 70.
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.