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Effects of a structured treatment algorithm on blood pressure goal rates in both stage 1 and stage 2 hypertension
J M Neutel1, D H G Smith, T N Silfani
1Orange County Research Center, Tustin, CA 92780, USA. JMNeutel@aol.com
Insights
This study shows an angiotensin receptor blocker-based algorithm effectively lowers blood pressure (BP) in patients with stage 1 or 2 hypertension. Most participants achieved their BP goals through a stepped treatment approach involving olmesartan medoxomil, hydrochlorothiazide, and amlodipine besylate.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
- Clinical Hypertension Research
Background:
- Hypertension management requires effective treatment algorithms.
- Angiotensin receptor blockers (ARBs) are a cornerstone of antihypertensive therapy.
- Optimizing treatment strategies is crucial for achieving blood pressure (BP) control.
Purpose of the Study:
- To evaluate the efficacy of an ARB-based algorithm for achieving goal BP in patients with stage 1 and stage 2 hypertension.
- To assess the effectiveness of a stepped-care approach involving olmesartan medoxomil, hydrochlorothiazide (HCTZ), and amlodipine besylate.
- To determine BP reduction and goal attainment rates in hypertensive patients using a defined treatment algorithm.
Main Methods:
- A 24-week, open-label, multicenter study.
- Patients followed a six-step algorithm starting with olmesartan medoxomil, escalating to combination therapy with HCTZ and amlodipine besylate.
- Goal BP was defined as < or = 130/85 mmHg.
Main Results:
- In stage 1 hypertension, 98% achieved goal BP (< or = 130/85 mmHg) with triple therapy (olmesartan medoxomil/HCTZ/amlodipine).
- In stage 2 hypertension, 81% achieved goal BP (< or = 130/85 mmHg) with triple therapy.
- Significant mean systolic/diastolic BP reductions were observed across mono-, double-, and triple-therapy steps.
Conclusions:
- An ARB-based stepped-care algorithm is highly effective in achieving goal BP in patients with stage 1 and stage 2 hypertension.
- Combination therapy, particularly triple therapy with olmesartan medoxomil, HCTZ, and amlodipine, demonstrates substantial efficacy.
- This algorithm provides a structured approach to optimize antihypertensive treatment and improve patient outcomes.
Abstract:
This study analysed the efficacy of an angiotensin receptor blocker-based treatment algorithm for achieving goal blood pressure (BP) in patients with stage 1 (systolic BP (SBP) 140-159 mmHg or diastolic BP (DBP) 90-99 mmHg) or stage 2 (SBP > or = 160 mmHg or DBP > or = 100 mmHg) hypertension. In this 24-week, open-label, multicentre study, patients followed a six-step algorithm until goal BP (< or = 130/85 mmHg) was attained. Initially, olmesartan medoxomil 20 mg/day was administered for 4 weeks. The regimen was modified every 4 weeks until goal BP was attained: increase olmesartan medoxomil to 40 mg/day; add hydrochlorothiazide (HCTZ) 12.5 mg/day; increase HCTZ to 25 mg/day; add amlodipine besylate 5 mg/day; increase amlodipine besylate to 10 mg/day. In patients with stage 1 hypertension, 80% (63/79) and 56% (44/79) achieved BP goals of < or = 140/90 mmHg and < or = 130/85 mmHg, respectively, with olmesartan medoxomil monotherapy (94% (74/79) and 89% (70/79) with olmesartan medoxomil/HCTZ double therapy, and 96% (76/79) and 98% (77/79) with addition of amlodipine besylate (triple therapy)). Mean SBP/DBP reductions were 16.7/11.6, 24.8/15.8, and 26.4/16.5 mmHg for mono-, double-, and triple-therapy, respectively. In patients with stage 2 hypertension, 42% (42/100) and 19% (19/100) achieved BP goals of < or = 140/90 mmHg and < or = 130/85 mmHg, respectively, with monotherapy (75% (75/100) and 54% (54/100) with double therapy, and 90% (90/100) and 81% (81/100) with triple-therapy). Mean SBP/DBP reductions in stage 2 patients were 18.4/10.0, 32.7/16.3, and 39.1/19.4 mmHg for mono-, double, and triple therapy, respectively. Overall, most patients with stage 1 or stage 2 hypertension achieved goal BP.
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