Prospective prophylaxis study with 3,532 healthcare workers, 2,199 receiving two-dose ivermectin prophylaxis, showing adjusted relative risk of confirmed COVID-19 with treatment 0.17 [0.12-0.23] p<0.001. 186 patients took only the first dose, and no significant difference was observed for this group. The same group published an earlier small study with 117 ivermectin patients. There were no serious adverse events. T/IM-NF/CM&FM/20/142.
risk of case, 83.0% lower, RR 0.17, p < 0.001, treatment 45 of 2,199 (2.0%), control 133 of 1,147 (11.6%), NNT 10, two doses, primary outcome.
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risk of case, 4.0% higher, RR 1.04, p = 0.85, treatment 23 of 186 (12.4%), control 133 of 1,147 (11.6%), patients only receiving the first dose.
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Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
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Behera et al., 2/15/2021, prospective, India, South Asia, peer-reviewed, 14 authors, dosage 300μg/kg days 1, 4.