Late treatment study
et al., BMJ 2020, 369, doi: https://doi.org/10.1136/bmj.m1844 (Peer Reviewed)
Clinical efficacy of hydroxych loroquine in patients with covid-19 pneumonia who require oxygen: observational comparative study using routine care data
Observational study of 181 patients with advanced disease requiring oxygen showing no benefit for HC Q. Power of study appears too low to support conclusions . None of the 15 patients receiving HC Q+AZ were transferred to intensive care or died compared to 23% overall.
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