January 11, 2010 โ A hypertension drug using a combination of telmisartan/amlodipine, which requires less-frequent dosing than Novartis's Diovan/Tareg (valsartan), may earn 30 percent patient share according to surveyed U.S. cardiologists. Similarly, in Europe, the agent would earn comparable patient share of 25 percent according to surveyed European cardiologists.