Efficacy of short-term monotherapy with maraviroc, a new CCR5 antagonist, in patients infected with HIV-1.

Fätkenheuer, Gerd; Pozniak, Anton L; Johnson, Margaret A; Plettenberg, Andreas; Staszewski, Schlomo; Hoepelman, Andy I M; Saag, Michael S; Goebel, Frank D et al. · Nat Med · 2005

case_series · Level IV

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Abstract

We assessed the efficacy and safety of 10-d monotherapy with the orally administered CCR5 antagonist maraviroc in 63 HIV-1-positive individuals prescreened for the absence of CXCR4-using virus. Maximum reduction in viral load occurred at a median of 10-15 d, with a mean reduction of >or=1.6 log(10) copies/ml at all twice daily doses >or=100 mg. These results provide proof of concept that CCR5 antagonism is a viable antiretroviral therapeutic approach.

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