NCIt definition : The hydrochloride salt form of nicardipine, a synthetic derivative of nitrophenyl-pyridine
and potent calcium channel blocker, Nicardipine (Nifedipine Family) blocks calcium
ions from certain cell walls and inhibits contraction of coronary and peripheral arteries,
resulting in lowered oxygen requirements for heart muscle and decreased arterial contraction
and spasm. It is used clinically as a cerebral and coronary vasodilator. (NCI04);