期刊
ADVANCES IN THERAPY
卷 26, 期 11, 页码 1012-1023出版社
SPRINGER
DOI: 10.1007/s12325-009-0077-7
关键词
amlodipine; antihypertensive; blood pressure; combination; dual therapy; hydrochlorothiazide; hypertension; triple therapy; valsartan
An 8-week trial of amlodipine/valsartan/hydrochlorothiazide (Aml/Val/HCTZ) for moderate or severe hypertension demonstrated more-pronounced blood pressure (BP)-lowering effects compared with dual-component therapies. To elucidate the effects of time and baseline BP on the observed responses, exploratory analyses were performed. Patients aged 18-85 years with mean sitting systolic BP (MSSBP) 145 to < 200 mmHg and mean sitting diastolic BP (MSDBP) 100 to < 120 mmHg were randomized to Aml 10 mg/Val 320 mg/HCTZ 25 mg; Val 320 mg/HCTZ 25 mg; Aml 10 mg/Val 320 mg; or Aml 10 mg/HCTZ 25 mg. During the first 2 weeks, regimens were force-titrated in two stages. All least-square mean reductions in MSSBP and MSDBP (baseline to Week 3 and end of study) were significantly greater with triple therapy than with each dual therapy in the overall population and the severe systolic subgroup (baseline MSSBP a parts per thousand yen180 mmHg; except vs. Aml 10 mg/Val 320 mg at Week 3). At Week 3, more patients on triple therapy achieved MSSBP reductions of a parts per thousand yena'60, a parts per thousand yena'50, a parts per thousand yena'40, a parts per thousand yena'30, and a parts per thousand yena'20 mmHg (2.5%, 9.7%, 23.2%, 46.9% and 74.5%, respectively) than those on dual therapy (1.1%-2%, 5.6%-5.9%, 14.5%-16.7%, 33.5%-39.1%, and 58.8%-65.5%, respectively); this was also true at study endpoint. End-of-study MSSBP reductions were greater in triple-therapy recipients who had higher (vs. lower) baseline MSSBPs. LSM reductions ranged from -27.2 mmHg for baseline MSSBP 145 to < 150 mmHg, to a parts per thousand yen49.6 mmHg for baseline MSSBP a parts per thousand yen180 mmHg. All treatments were well tolerated regardless of baseline MSSBP. Aml 10 mg/Val 320 mg/HCTZ 25 mg triple therapy is highly effective in reducing BP compared with dual components early in therapy, and systolic BP-lowering effects were proportionate to hypertension severity.
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