In patients with Stage 2 hypertension to determine the efficacy and safety of Telmisartan/S-Amlodipine (80/2.5mg and 80/5mg) or S-Amlodipine monotherapy (2.5mg and 5mg) during 8 weeks.~This study is consist of placebo run-in period(2 weeks_single blind) and treatment period(8 weeks_double blind).
The aim of present study is to evaluate the efficacy and safety of two dose combination of Telmisartan/S-Amlodipine (80/2.5mg and 80/5mg) compared with S-Amlodipine monotherapy (2.5mg and 5mg) in patients with Stage 2 hypertension.