20 November 2020 - Early treatment study
Randomized double-blinded placebo-controlled trial of hydroxychloroquine with or without azithromycin for virologic cure of non-severe Covid-19
et al., EClinicalMedicine, doi:10.1016/j.eclinm.2020.100645 (Peer Reviewed)
Low risk patient RCT for HCQ+AZ and HCQ vs. control, not showing any significant differences.Authors note that the results are not applicable to higher risk patients, that positive PCR may simply reflect detection of inactive (non-infectious) viral remnants, that an alternative dosage regimen may be more effective, and that medication adherence was unknown.HCQ dosing was 600mg/day for 1 week, therapeutic levels may not be reached for several days. There were no deaths or serious adverse events.
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risk of hospitalization, 12.5% lower, RR 0.88, p = 1.00, treatment 7 of 304 (2.3%), control 4 of 152 (2.6%), NNT 304, HCQ+AZ or HCQ vs. control.
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risk of symptomatic at day 21, 25.8% lower, RR 0.74, p = 0.58, treatment 9 of 293 (3.1%), control 6 of 145 (4.1%), NNT 94, HCQ+AZ or HCQ vs. control.
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risk of Ct<=40 at day 14, 10.3% higher, RR 1.10, p = 0.13, treatment 223 of 295 (75.6%), control 98 of 143 (68.5%), HCQ+AZ or HCQ vs. control.
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| Effect extraction follows pre-specified rules prioritizing more serious outcomes. |
Omrani et al., 11/20/2020, Randomized Controlled Trial, Qatar, Middle East, peer-reviewed, 19 authors, dosage 600mg days 1-6, this trial uses multiple treatments in the treatment arm (combined with AZ) - results of individual treatments may vary.
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