Efficacy and Safety of Lercanidipine and Valsartan in Patients With Essential Hypertension

Inclusion Criteria: * Patients aged between 20 and 75 * Essential hypertension at screening (-3 week) Randomization Criteria: * Essential hypertension at baseline (90mmHg≤sitDBP≤109mmHg, except sitSBP≥180) Exclusion Criteria: * Mean sitDBP≥110mmHg or sitSBP≥180 * Secondary hypertension or suspected secondary hypertension * Uncontrolled diabetes * Severe heart disease or severe cerebrovascular disease * clinically significant hematological test results, renal disease (serum creatinine) or liver disease (ALT or AST) * History of malignant disease * Autoimmune disease * Women with a positive pregnancy test result, breast feeding or intention of pregnancy during the trial