• Arch Med Sci · Jan 2022

    Review

    Efficacy of early treatment with hydroxychloroquine in people with mild to moderate COVID-19: a systematic review and meta-analysis.

    • Adrian V Hernandez, John Ingemi, Michael Sherman, Vinay Pasupuleti, Joshuan J Barboza, Alejandro Piscoya, Yuani M Roman, and C Michael White.
    • Department of Pharmacy Practice, University of Connecticut School of Pharmacy, Storrs, CT, USA.
    • Arch Med Sci. 2022 Jan 1; 18 (4): 939948939-948.

    IntroductionNo early treatment intervention for COVID-19 has proven effective to date. We systematically reviewed the efficacy of hydroxychloroquine as early treatment for COVID-19.Material And MethodsRandomized controlled trials (RCTs) evaluating hydroxychloroquine for early treatment of COVID-19 were searched in five engines and preprint websites until September 14, 2021. Primary outcomes were hospitalization and all-cause mortality. Secondary outcomes included COVID-19 symptom resolution, viral clearance, and adverse events. Inverse variance random-effects meta-analyses were performed and quality of evidence (QoE) per outcome was assessed with GRADE methods.ResultsFive RCTs (n = 1848) were included. The comparator was placebo in four RCTs and usual care in one RCT. The RCTs used hydroxychloroquine total doses between 1,600 and 4,400 mg and had follow-up times between 14 and 90 days. Compared to the controls, early treatment with hydroxychloroquine did not reduce hospitalizations (RR = 0.80, 95% CI: 0.47-1.36, I 2 = 2%, 5 RCTs, low QoE), all-cause mortality (RR = 0.77, 95% CI: 0.16-3.68, I 2 = 0%, 5 RCTs, very low QoE), symptom resolution (RR = 0.94, 95% CI: 0.77-1.16, I 2 = 71%, 3 RCTs, low QoE) or viral clearance at 14 days (RR = 1.02, 95% CI: 0.82-1.27, I 2 = 65%, 2 RCTs, low QoE). There was a larger non-significant increase of adverse events with hydroxychloroquine vs. controls (RR = 2.17, 95% CI: 0.86-5.45, I 2 = 92%, 5 RCTs, very low QoE).ConclusionsHydroxychloroquine was not efficacious as early treatment for COVID-19 infections in RCTs with low to very low quality of evidence for all outcomes. More RCTs are needed to elucidate the efficacy of hydroxychloroquine as early treatment intervention.Copyright: © 2022 Termedia & Banach.

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