Article ID Journal Published Year Pages File Type
2957455 Journal of the American Society of Hypertension 2008 9 Pages PDF
Abstract

Achieving blood pressure (BP) targets in stage 2 hypertension usually requires two or more drugs, which should be selected from different classes. This study compared the efficacy and tolerability of amlodipine/valsartan with amlodipine in patients with stage 2 hypertension. In this multicenter, randomized, double-blind, 8-week study, 646 patients with stage 2 hypertension (mean sitting systolic blood pressure [MSSBP] ≥160 mm Hg) received amlodipine/valsartan 5/160 mg or amlodipine 5 mg for 2 weeks, prior to being force-titrated to amlodipine/valsartan 10/160 mg or amlodipine 10 mg, respectively, for a further 6 weeks. Hydrochlorothiazide could be added at Week 4 if MSSBP was ≥130 mm Hg. At endpoint Week 4, reductions in MSSBP were significantly greater in patients receiving amlodipine/valsartan than in those receiving amlodipine (30.1 mm Hg vs. 23.5 mm Hg; P < .0001). Likewise, MSSBP reductions in patients with baseline MSSBP ≥180 mm Hg were also greater for amlodipine/valsartan at Week 4 (40.1 mm Hg vs. 31.7 mm Hg for amlodipine; P = .0018). Differences favoring amlodipine/valsartan were also seen for BP control. Amlodipine/valsartan was generally well tolerated. These findings support the rationale for combining agents with complementary mechanisms of action, such as amlodipine and valsartan, in the management of stage 2 hypertension.

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