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    Efficacy of chloroquine and hydroxychloroquine in treating COVID-19 infection: A meta-review of systematic reviews and an updated meta-analysis

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    Date
    2021-07-12
    Author
    Chivese, Tawanda
    Musa, Omran A H
    Hindy, George
    Al-Wattary, Noor
    Badran, Saif
    Soliman, Nada
    Aboughalia, Ahmed T M
    Matizanadzo, Joshua T
    Emara, Mohamed M
    Thalib, Lukman
    Doi, Suhail A R
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    Abstract
    To synthesize findings from systematic reviews and meta-analyses on the efficacy and safety of chloroquine (CQ) and hydroxychloroquine (HCQ) with or without Azithromycin for treating COVID-19, and to update the evidence using a meta-analysis. A comprehensive search was carried out in electronic databases for systematic reviews, meta-analyses and experimental studies which investigated the efficacy and safety of CQ, HCQ with or without Azithromycin to treat COVID-19. Findings from the reviews were synthesised using tables and forest plots and the quality effect model was used for the updated meta-analysis. The main outcomes were mortality, the need for intensive care services, disease exacerbation, viral clearance and occurrence of adverse events. Thirteen reviews with 40 primary studies were included. Two meta-analyses reported a high risk of mortality, with ORs of 2.2 and 3.0, and the two others found no association between HCQ and mortality. Findings from two meta-analyses showed that HCQ with Azithromycin increased the risk of mortality, with similar ORs of 2.5. The updated meta-analysis of experimental studies showed that the drugs were not effective in reducing mortality (RR 1.1, 95%CI 1.0-1.3, I = 0.0%), need for intensive care services (OR 1.1, 95%CI 0.9-1.4, I = 0.0%), virological cure (OR 1.5, 95%CI 0.5-4.4, I = 39.6%) or disease exacerbation (OR 1.2, 95%CI 0.3-5.9, I = 31.9%) but increased the odds of adverse events (OR 12,3, 95%CI 2.5-59.9, I = 76.6%). There is conclusive evidence that CQ and HCQ, with or without Azithromycin are not effective in treating COVID-19 or its exacerbation. PROSPERO: CRD42020191353
    DOI/handle
    http://dx.doi.org/10.1016/j.tmaid.2021.102135
    http://hdl.handle.net/10576/21714
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    • COVID-19 Research [‎848‎ items ]
    • Medicine Research [‎1739‎ items ]

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