A Multicenter, Randomized, Double-Blind, Monotherapy-Controlled Study of Nifedipine Gastrointestinal Therapeutic System and Candesartan Cilexetil in Combination Taken Orally for 8 Weeks in Adult Subjects with Essential Hypertension Who Are Inadequately Co

The primary objective is to demonstrate the efficacy of two FDCs of nifedipine GITS and candesartan cilexetil compared to candesartan cilexetil monotherapy in subjects not adequately controlled on candesartan cilexetil alone, based on reduction of mean seated systolic blood pressure (MSSBP).