Forsøg med humane levermikrosomer og rekombinante enzymsystemer viste, at maraviroc ved klinisk relevante koncentrationer ikke hæmmer nogen af de vigtige P450- enzymer (CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6 og CYP3A4).
Studies in human liver microsomes and recombinant enzyme systems have shown that maraviroc does not inhibit any of the major P450 enzymes at clinically relevant concentrations (CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6 and CYP3A4).