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All Studies   Meta Analysis   Recent: 
Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials
Axfors et al., Nature, doi:10.1038/s41467-021-22446-z (meta analysis)
18 Sep 2020    Source   PDF   Share   Tweet
Meta analysis assigning 89% weight to the RECOVERY and SOLIDARITY trials, producing the same result. These trials used excessively high non-patient-customized dosage in very sick late stage patients, results are not generalizable to typical dosage or earlier treatment.
For CQ, this study assigns 97% weight to Borba et al., however this study does not have a control group, comparing two different dosages of CQ.
Of the 29 early treatment trials (including 6 RCTs), authors include the results of only one where they include a non-hospitalized death.
Currently there are 38 HCQ for COVID-19 early treatment studies, showing 72% [54‑83%] lower mortality and 41% [28‑52%] lower hospitalization.
Axfors et al., 9/18/2020, peer-reviewed, 97 authors.
All Studies   Meta Analysis
This PaperHCQAll
Late treatment
is less effective
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