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HCQ study #92 of 260
7/17 Late treatment study
Lyngbakken et al., Nature Communications, doi:10.1038/s41467-020-19056-6 (Peer Reviewed)
A pragmatic randomized controlled trial reports lack of efficacy of hydroxychloroquine on coronavirus disease 2019 viral kinetics
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Small RCT of nasopharyngeal viral load not showing significant differences. The rate of reduction for HCQ was 0.24 [0.03-0.46] RNA copies/mL/24h, and 0.14 [-0.10-0.37] for the control group (71% faster with HCQ but not statistically significant with the small sample size of 27 HCQ and 26 control patients). Analysis only over 96 hours.
NCT04316377

Lyngbakken et al., 7/17/2020, Randomized Controlled Trial, Norway, Europe, peer-reviewed, median age 62.0, 11 authors.
risk of death, 3.7% lower, RR 0.96, p = 1.00, treatment 1 of 27 (3.7%), control 1 of 26 (3.8%).
improvement in viral load reduction rate, 71.0% lower, relative rate 0.29, p = 0.51, treatment 27, control 26.

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.
Details of all 260 studies    Meta analysis
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