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Comparison of aliskiren/hydrochlorothiazide combination therapy and amlodipine monotherapy in patients with stage 2 systolic hypertension and type 2 diabetes mellitus.

ABSTRACT: Patients with stage 2 hypertension and diabetes are at high cardiovascular risk and require large blood pressure (BP) reductions to reach treatment goals. This randomized double-blind study compared aliskiren/hydrochlorothiazide (HCTZ) combination therapy with amlodipine monotherapy in 860 patients with mean sitting systolic BP (msSBP) ≥160 mm Hg to <200 mm Hg and type 2 diabetes. Patients received either once-daily aliskiren/HCTZ 150/12.5 mg or amlodipine 5 mg for 1 week then force-titrated to double the doses for 7 weeks. Baseline BP was 167.7/91.4 mm Hg. At week 8 end point, aliskiren/HCTZ provided significantly greater reductions in msSBP than amlodipine (28.8 mm Hg vs 26.2 mm Hg; P<.05). Mean sitting diastolic BP reductions were similar with aliskiren/HCTZ (9.9 mm Hg) and amlodipine (9.0 mm Hg). Achievement of BP control (<130/80 mm Hg) was significantly greater with aliskiren/HCTZ (23.2%) than amlodipine (13.8%; P<.0001). Aliskiren/HCTZ provides substantial msSBP reductions and greater BP control rates than amlodipine, and offers an attractive treatment option for patients with hypertension and diabetes mellitus.

SUBMITTER: Townsend RR

PROVIDER: S-EPMC8108762 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:This study was to evaluate the efficacy and safety of triple fixed-dose combination (FDC) therapy with olmesartan medoxomil (OM) 20 mg, amlodipine (AML) 5 mg, and hydrochlorothiazide (HCTZ) 12.5 mg (OM/AML/HCTZ 20/5/12.5) in Korean patients with moderate hypertension not controlled with dual FDC therapy (OM/HCTZ 20/12.5).In this multicenter, randomized, double-blind, parallel-group study, Korean patients aged 20 to 75 years with stage 2 hypertension who had a mean seated diastolic blood pressure (msDBP) ?100 mmHg were enrolled when their BP was uncontrolled [mean seated systolic BP (msSBP)/msDBP >140/90 mmHg or msSBP/msDBP >130/80 mmHg with diabetes or chronic kidney disease] with 4-week dual FDC therapy (OM/HCTZ 20/12.5). The patients were randomized to receive either OM/AML/HCTZ 20/5/12.5 or OM/HCTZ 20/12.5 once daily for 8 weeks. At the end of 8 weeks, patients with uncontrolled BP were assigned to receive either OM/AML/HCTZ 40/5/12.5 or OM/AML/HCTZ 20/5/12.5 in an additional 8-week open-label extension period.A total of 623 patients received a 4-week run-in treatment with OM/HCTZ, 341 patients were randomized, and finally, 167 patients in the OM/AML/HCTZ group and 171 patients in the OM/HCTZ group were analyzed for the full analysis set. Non-responders after the 8 weeks of double-blind treatment continued the 8-week open-label treatment with OM/AML/HCTZ 40/5/12.5 mg (n = 32) or OM/AML/HCTZ 20/5/12.5 mg (n = 71). After 8 weeks of double-blind treatment, the changes in msDBP were -9.50 (8.46) mmHg in the OM/AML/HCTZ group and -4.23 (7.41) mmHg in the OM/HCTZ group (both p < 0.0001 vs. baseline; p < 0.0001 between groups). The response rates for both msSBP and msDBP at week 8 were 65.27 % in the OM/AML/HCTZ group and 37.43 % in the OM/HCTZ group (p < 0.0001 between groups). The response rates for both msSBP and msDBP at week 16 after open-label treatment were 18.75 % in the OM/AML/HCTZ 40/5/12.5 group and 46.48 % in the OM/AML/HCTZ 20/5/12.5 group (p = 0.0073 between groups). All medications were well tolerated.In Korean patients with moderate hypertension not controlled with dual FDC therapy (OM/HCTZ 20/12.5) as first-line therapy, switching to triple FDC therapy (OM/AML/HCTZ 20/5/12.5) was associated with significant BP reductions and greater achievement of BP goals, and was well tolerated (ClinicalTrials.gov Identifier: NCT01838850).

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Comparison of aliskiren/hydrochlorothiazide combination therapy and amlodipine monotherapy in patients with stage 2 systolic hypertension and type 2 diabetes mellitus.

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