Biochem/physiol Actions Potent and selective reversible COX-2 inhibitor. N-4-AcetIA inhibits human and ovine COX-2 with IC50 of 0.1 μM and 0.625 μM, respectively. About 400 times less potent as an inhibitor of human COX-1 and 80 times less potent as an inhibitor of ovine COX-1. Shows anti-inflammatory, antiangiogenic, and cancer chemopreventive activity in various experimental models. |