JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL

Triple combination therapy with amlodipine, valsartan, and hydrochlorothiazide vs dual combination therapy with amlodipine and hydrochlorothiazide for stage 2 hypertensive patients

Maurizio Destro, Nora Crikelair, Joseph Yen, Robert Glazer
Vascular Health and Risk Management 2010 September 7, 6: 821-7
20859551

OBJECTIVE: This post hoc analysis evaluated the efficacy and safety of triple therapy with amlodipine/valsartan+hydrochlorothiazide (Aml/Val+HCTZ) vs dual therapy with Aml+HCTZ in stage 2 hypertensive patients.

METHODS: The analysis included patients from an eight-week, multicenter, double-blind study, randomized to Aml/Val 10/160 mg or Aml 10 mg groups, who received add-on HCTZ 12.5 mg at week 4 if mean sitting systolic blood pressure (msSBP) was >130 mmHg.

RESULTS: Of the patients receiving Aml/Val+HCTZ and Aml+HCTZ, 98% (N = 133/136) and 96% (N = 200/208) completed the study, respectively. Baseline characteristics were similar across groups (Caucasians, 80.2%; diabetics, 14.8%; age, 58.6 years [28.2% ≥ 65 years]; body mass index, 31 kg/m(2); mean sitting blood pressure (msBP), 171.5/95.5 mmHg [18% msSBP ≥ 180 mmHg]). Aml/Val+HCTZ provided significantly greater msBP reductions from baseline to week 8 than Aml+HCTZ (30.5/13.8 vs 24.3/8.3 mmHg, P < 0.0001). The incremental msBP reduction (week 4 to 8) with HCTZ added to Aml/Val was greater than when added to Aml (6.9/3.5 vs 3.1/1.0 mmHg, P < 0.01). Treatments were well tolerated with similar overall incidence of adverse events (Aml/Val+HCTZ: 33.8%, Aml+HCTZ: 33.2%).

CONCLUSION: Aml/Val+HCTZ provided significantly greater BP reductions than Aml+HCTZ in patients with stage 2 hypertension. Aml/Val+HCTZ triple therapy may be a suitable option for patients requiring more than two agents to reach target BP.

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