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A randomized multicenter study on ambulatory blood pressure and arterial stiffness in patients treated with valsartan/amlodipine or nifedipine GITS.


ABSTRACT: In a pre-specified subgroup analysis of a 12-week randomized multicenter study, we investigated effects of valsartan/amlodipine 80/5 mg single-pill combination (n = 75) and nifedipine GITS 30 mg (n = 75) on ambulatory blood pressure (BP) and arterial stiffness assessed by brachial-ankle pulse wave velocity (PWV) in patients with uncontrolled hypertension. At week 12, the between-treatment mean differences in systolic/diastolic BP were smaller for 24-hour and daytime (-2.1/-1.7 and -2.0/-1.5 mm Hg, respectively, P ≥ 0.22) but greater (P < 0.01) for nighttime (-4.0/-2.8 mm Hg, P ≤ 0.09), especially in sustained uncontrolled hypertension (-5.0/-4.1 mm Hg, P ≤ 0.04) and non-dippers (-6.5/-3.7 mm Hg, P ≤ 0.07), in favor of valsartan/amlodipine. At week 12, PWV was significantly reduced from baseline by valsartan/amlodipine (n = 59, P < 0.0001) but not nifedipine (n = 59, P = 0.06). The changes in PWV were significantly associated with that in ambulatory systolic BP and pulse pressure in the nifedipine (P ≤ 0.0008) but not valsartan/amlodipine group (P ≥ 0.57), with a significant interaction (P ≤ 0.045). The valsartan/amlodipine combination was more efficacious than nifedipine GITS in lowering nighttime BP in sustained uncontrolled hypertension and non-dippers, and in lowering arterial stiffness independent of BP lowering.

SUBMITTER: Xu SK 

PROVIDER: S-EPMC8030622 | biostudies-literature |

REPOSITORIES: biostudies-literature

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