Nimodipine is a dihydropyridine-derivative L-type Ca
2+ channel receptor antagonist which relaxes arterial smooth muscle. It may increase the blood pressure lowering effect of concomitantly administered anti-hypertensive agents. Nimodipine is more lipophilic than nifedipine [
N0528], and it crosses the blood-brain barrier and reaches brain and cerebrospinal fluid. Therefore, nimodipine has been shown to dilate cerebral arterioles and increase cerebral blood flow in animals. Nimodipine is mainly metabolized by CYP3A4 in the liver, and its plasma concentration can be significantly increased when concomitantly administered with strong CYP3A4 inhibitors. (The product is for research purpose only.)