Systematic Review on the Therapeutic Options for COVID-19: Clinical Evidence of Drug Efficacy and Implications.

109 In contrast, an initial trial in China involving 48 patients with moderate COVID-19 found that chloroquine (CQ) or HCQ showed a trend towards a decrease in the duration of hospital stay and lung computerized RCT. 110 Andrew et al (2020) also reported that HCQ significantly reduced the duration of hospital stay in a retrospective observational study. 111 Guérin et al (2020), in their initial study in France involving 88 patients,

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