Ranolazine, a new antianginal drug.

The increasing and unmet social and economic burden of ischemic heart disease calls for new antianginal therapies. Ranolazine, a new antianginal agent, has a different mode of action from existing therapies, which act by decreasing indices of cardiac work. Ranolazine mainly affects the late sodium current across the membrane of cardiomyocytes, inducing a cascade of electrophysiologic and metabolic effects with the potential to reduce the cardiac ischemic burden without significantly changing blood pressure and heart rate. In clinical trials, ranolazine has been demonstrated to exert antianginal and anti-ischemic effects in chronic angina. It improves exercise performance, and decreases angina frequency and nitroglycerin use. Ranolazine is well tolerated at therapeutic doses. Larger studies are needed to explore the effects on hard end-points of morbidity and mortality.