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Combination angiotensin receptor blocker/hydrochlorothiazide as initial therapy in the treatment of patients with severe hypertension.

Author(s): Salerno CM, Demopoulos L, Mukherjee R, Gradman AH

Affiliation(s): Merck Research Labs, West Point, PA, USA. christina_salerno@merck.com

Publication date & source: 2004-11, J Clin Hypertens (Greenwich)., 6(11):614-20.

Publication type: Clinical Trial; Multicenter Study; Randomized Controlled Trial

Patients with severe hypertension are at high risk for cardiovascular events. The authors hypothesized that initial treatment with a combination angiotensin receptor blocker/diuretic agent would be safe and more effective than initial treatment with a single agent for these patients. In this 6-week, double-blind trial, 585 patients were randomized to losartan/hydrochlorothiazide or losartan as monotherapy and titrated as needed at 2-week intervals to reach goal blood pressure (<90 mm Hg). Almost twice as many patients achieved goal at the primary end point of 4 weeks on 50 mg losartan/12.5 mg hydrochlorothiazide vs. the losartan regimen (50-100 mg; p=0.002). Additionally, almost three times as many patients achieved goal blood pressures at 6 weeks (p<0.001). Adverse experiences on losartan/hydrochlorothiazide (43%) were significantly less than with the angiotensin receptor blocker alone (52.6%). This study confirmed the efficacy and tolerability of initial use of a fixed combination of losartan/hydrochlorothiazide vs. losartan without a thiazide.

Page last updated: 2006-01-31

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