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Ivermectin study #27 of 63
11/11 Late treatment study
Camprubí et al., PLoS ONE, 15:11, doi:10.1371/journal.pone.0242184 (Peer Reviewed)
Lack of efficacy of standard doses of ivermectin in severe COVID-19 patients
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Tiny 26 patients retrospective study of ivermectin 200 μg/kg, median 12 days after symptoms, not showing significant differences. Authors suggest the dose is too low and recommend evaluation of higher doses.
All patients received HCQ which may reduce the potential benefit for adding ivermectin.

Camprubí et al., 11/11/2020, retrospective, Spain, Europe, peer-reviewed, 9 authors, dosage 200μg/kg single dose.
risk of ICU admission, 33.3% lower, RR 0.67, p = 1.00, treatment 2 of 13 (15.4%), control 3 of 13 (23.1%), ICU at day 8.
risk of no improvement at day 8, 33.3% higher, RR 1.33, p = 1.00, treatment 4 of 13 (30.8%), control 3 of 13 (23.1%).

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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