期刊
CIRCULATION
卷 119, 期 3, 页码 417-U104出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/CIRCULATIONAHA.107.750745
关键词
blood pressure; direct renin inhibitor; diuretics; hypertension; renin
资金
- Novartis Pharmaceuticals Corporation, East Hanover, NJ
Background-Diuretics are recommended as first-line agents for the treatment of hypertension. This randomized, double-blind, multicenter study assessed the long-term efficacy and safety of the direct renin inhibitor aliskiren in comparison with the diuretic hydrochlorothiazide in patients with essential hypertension. Methods and Results-After a 2- to 4-week placebo run-in, 1124 patients (mean sitting diastolic blood pressure [BP] 95 to 109 mm Hg) were randomized to aliskiren 150 mg (n = 459), hydrochlorothiazide 12.5 mg (n = 444), or placebo (n = 221) once daily. Forced titration (to aliskiren 300 mg or hydrochlorothiazide 25 mg) occurred at week 3; at week 6, patients receiving placebo were reassigned (1: 1 ratio) to aliskiren 300 mg or hydrochlorothiazide 25 mg. From week 12, amlodipine 5 mg was added and titrated to 10 mg from week 18 for patients whose BP remained uncontrolled. Efficacy variables were analyzed for the intent-to-treat population with the use of the last observation carried forward method. BP reductions (mean sitting systolic BP/mean sitting diastolic BP) were significantly greater with aliskiren-versus hydrochlorothiazide-based treatment at week 26 (-20.3/-14.2 versus -18.6/-13.0 mm Hg; P < 0.05) and were also greater at week 52 (-22.1/-16.0 versus -21.2/-15.0 mm Hg; P < 0.05 for mean sitting diastolic BP). At the end of the monotherapy period (week 12), aliskiren 300 mg was superior to hydrochlorothiazide 25 mg in reducing BP (-17.4/-12.2 versus -14.7/-10.3 mm H; P < 0.001). Adverse event rates were similar with aliskiren- (65.2%) and hydrochlorothiazide-based therapy (61.5%). Hypokalemia was more frequent with hydrochlorothiazide-based therapy than aliskiren- based therapy (17.9% versus 0.9%; P < 0.0001). Conclusions-Aliskiren treatment, both as monotherapy and with optional addition of amlodipine, provided significantly greater BP reductions than the respective hydrochlorothiazide regimens. Aliskiren-based therapy was well tolerated. Direct renin inhibition with aliskiren therefore represents an effective option for the long-term treatment of essential hypertension. (Circulation. 2009; 119: 417-425.)
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