A Multi-center, Factorial Study to Evaluate Efficacy & Safety of 8 Wks Treatment With VAH631 [Valsartan (40 & 80 mg) and Hydrochlorothiazide (6.25 & 12.5 mg) Combined & Alone in Essential Hypertensive Patients] - Double-blind Study of VAH631 in Patients With Essential Hypertension (Factorial Study)
A Multi-center, Factorial Study to Evaluate Efficacy & Safety of 8 Wks Treatment With VAH631 [Valsartan (40 & 80 mg) and Hydrochlorothiazide (6.25 & 12.5 mg) Combined & Alone in Essential Hypertensive Patients] - Double-blind Study of VAH631 in Patients With Essential Hypertension (Factorial Study)
The purpose of this study is to compare the effect of the fixed combination of valsartan+hydrochlorothiazide (HCTZ) on blood pressure reduction with valsartan and HCTZ alone and whether the combination treatments are safe and well tolerated. The study aims to establish a dose response relationship for both monotherapies and the combinations.
This study is being conducted in Japan.
Inclusion Criteria:
Exclusion Criteria: