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HCQ in vitro study
2004 In Vitro
Keyaerts et al., Biochem. Biophys. Res. Comm., 323:1, 8 October 2004, doi:10.1016/j.bbrc.2004.08.085 (Peer Reviewed) (In Vitro) (not included in the study count)
In vitro inhibition of severe acute respiratory syndrome coronavirus by chloroquine
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In vitro study, SARS-CoV-1, not included in the study count or percentages. IC50 of CQ for antiviral activity (8.8) is significantly lower than cytostatic activity CC50 (261.3), selectivity index of 30. IC50 for inhibition of SARS-CoV in vitro approximates the plasma concentrations of CQ reached during treatment of acute malaria. CQ may be considered for immediate use in the prevention and treatment of SARS-CoV infections.

Keyaerts et al., 1/1/2004, peer-reviewed, 5 authors.
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