Fonsartan is an angiotensin receptor antagonist. Fonsartan inhibits the angiotensin II-induced trophic effects, fibronectin release and fibronectin-EIIIA+ expression in rat aortic vascular smooth muscle cells in vitro.
Cefpirome is a broad-spectrum, fourth-generation cephalosporin. It binds to and inactivates penicillin-binding proteins located on the inner membrane of the bacterial cell wall.