We examined the antiviral activity of the integrase inhibitor (INI) cabotegravir against HIV-2 isolates from INI-naïve individuals. HIV-2 was sensitive to cabotegravir in both single-cycle and spreading infection assays, with EC50 values in the low to sub-nanomolar range; comparable results were obtained for HIV-1 in both assay formats. Our findings suggest that cabotegravir should be evaluated in clinical trials as a potential option for ART and PrEP in HIV-2–prevalent settings.
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