Baseret på in vitro - undersøgelser, forventes etoricoxib ikke at hæmme cytokrom P450 (CYP) 1A2, 2C9, 2C19, 2D6, 2E1 eller 3A4.
Based on in vitro studies, etoricoxib is not expected to inhibit cytochromes P450 (CYP) 1A2, 2C9, 2C19, 2D6, 2E1 or 3A4.