Late treatment study
et al., medRxiv, doi:10.1101/2020.05.14.20101774 (Preprint) (meta analysis - not included in study count)
Hydroxych loroquine in COVID-19: A systematic review and meta-analysis
Meta analysis not seeing a significant effect other than time to resolution of chest CT. Limited by heterogeneous nature of studies, baseline severity varied, most studies have a small sample size, endpoints reported at varying times, dosage varied, and AZ, Zinc are not considered.
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