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0 0.5 1 1.5 2+ Symptomatic case 79% Improvement Relative Risk Case 14% c19hcq.com Belmont et al. NCT04354870 HCQ PrEP Favors HCQ Favors control
Belmont, 80 patient HCQ prophylaxis study: 79% fewer symptomatic cases [p=0.21] https://c19p.org/belmont
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COVID-19 PrEP HCW HCQ Study
Belmont et al., ClinicalTrials.gov, NCT04354870 (Preprint), NCT04354870 (history)
6 Oct 2021    Source   PDF   Share   Tweet
Prospective study of HCQ prophylaxis in the USA, with 56 HCQ patients and 24 control patients, showing no significant differences. NCT04354870 (history)
risk of symptomatic case, 78.6% lower, RR 0.21, p = 0.21, treatment 1 of 56 (1.8%), control 2 of 24 (8.3%), NNT 15.
risk of case, 14.3% lower, RR 0.86, p = 1.00, treatment 4 of 56 (7.1%), control 2 of 24 (8.3%), NNT 84.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Belmont et al., 6 Oct 2021, prospective, USA, preprint, 1 author, trial NCT04354870 (history).
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