Nicardipine is a dihydropyridine L-type calcium channel antagonist that displays antihypertensive and antianginal activity. It is reported to inhibit adenosine A1, A2A, and A3 receptors with Ki values of 19.6, 63.8, and 3.25 μM, respectively, and can inhibit cytochrome P450 3A4 catalytic activity with an IC50 value of 0.148 μM. Additionally, nicardipine has been shown to activate transient receptor potential A1 channels, producing an increase in Ca2+ (EC50 = 0.5 μM).
