Efficacy and Safety of Levamlodipine Besylate Compared to Amlodipine Maleate in Patients With Essential Hypertension
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Ages Eligible for Study:
18 Years to 75 Years (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Male or female outpatients, 18-75 Years
Patients with mild to moderate essential hypertension (defined as mean BP of 2 visits ≥140mm/90mmHg, and < 180mm/110mmHg)
Written informed consent
Patients with secondary hypertension
Patients with severe hypertension
Have to take other drugs that can influence blood pressure during the study
Allergic to DHP calcium antagonists
Evidence of congestive heart failure, unstable angina or severe arrhythmia
Renal or hepatic dysfunction
Women who are taking contraceptive pills or are likely to be pregnant
Participate in other clinical trials within 3 months prior to this study