NEW YORK--(BUSINESS WIRE)--Rates of virologic suppression in patients receiving Pfizer’s novel CCR5 antagonist, maraviroc, compared to efavirenz (EFV) were 70.6% vs. 73.1% for <400 copies/ml and 65.3% vs. 69.3% at <50 copies/ml in the full analysis set (FAS) study population (n= 360, maraviroc/ n= 361, efavirenz), according to a late breaker presentation at the International AIDS Society conference in Sydney, Australia. Increases in CD4+ cell counts from baseline were also greater with maraviroc (+170 cells/mm3) than with EFV (+144 cells/mm3).
