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Clinical outcomes and healthcare costs in hypertensive patients treated with a fixed-dose combination of amlodipine/valsartan.

ABSTRACT: This retrospective claims database analysis compared two strategies of hypertension treatment in outpatient, emergency, and inpatient departments: a fixed-dose combination (FDC) of amlodipine/valsartan vs free combinations of angiotensin receptor blockers (ARBs) and calcium channel blockers (CCBs) (ARB+CCB group). After a mean follow-up of 15.2 months, the FDC group had significantly lower total healthcare costs (US $1844 vs US $2158; P<.001) and hospitalization rates (14.57% vs 18.43%; P<.001), a higher proportion of days covered (80.35% vs 72.57%; P<.001), and better persistence (266 vs 225 days; P<.001) compared with the ARB+CCB group. The FDC group also had a better major adverse cardiovascular event (MACE)-free survival (hazard ratio, 0.83; 95% confidence interval, 0.73-0.94; P=.003) and decreased rates of heart failure (2.12% vs 3.26%; P<.001), malignant dysrhythmia (0.18% vs 0.42%; P=.021), and percutaneous coronary intervention (0.76% vs 1.26%; P=.015). Compared with free combinations of ARB+CCB, an FDC of amlodipine/valsartan improved MACE-free survival and medication compliance and decreased total healthcare costs and hospitalization rates in hypertensive patients.

SUBMITTER: Tung YC

PROVIDER: S-EPMC8031572 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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Clinical outcomes and healthcare costs in hypertensive patients treated with a fixed-dose combination of amlodipine/valsartan.

Tung Ying-Chang YC Lin Yu-Sheng YS Wu Lung-Sheng LS Chang Chee-Jen CJ Chu Pao-Hsien PH

Journal of clinical hypertension (Greenwich, Conn.) 20141205 1

This retrospective claims database analysis compared two strategies of hypertension treatment in outpatient, emergency, and inpatient departments: a fixed-dose combination (FDC) of amlodipine/valsartan vs free combinations of angiotensin receptor blockers (ARBs) and calcium channel blockers (CCBs) (ARB+CCB group). After a mean follow-up of 15.2 months, the FDC group had significantly lower total healthcare costs (US $1844 vs US $2158; P<.001) and hospitalization rates (14.57% vs 18.43%; P<.001), ...[more]

PMID: 25477188

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Project description:IntroductionMany patients need more than one antihypertensive agent for effective blood pressure (BP) control. Prescription of a fixed-dose combination (FDC) of bisoprolol and amlodipine in one tablet has been shown to significantly improve patient adherence. This non-interventional study investigated the effects on adherence and BP control of switching from a free-dose combination of the two antihypertensive substances to a FDC in a larger patient population.MethodsPatients aged ≥18 years with essential hypertension were switched at least 4 weeks prior to study initiation from a free-dose combination of bisoprolol and amlodipine to the FDC. Dosage adjustment was implemented only if medically indicated. Adherence was assessed on the basis of the ratio of pills used to pills dispensed (%) at each visit (pill count). BP and key laboratory values were determined at baseline, 3 and 6 months.Results10,532 patients (average age 59 years; 48% female) were recruited between 2013 and 2014; 22% of patients had type 2 diabetes and 38% had cardiovascular disease. The mean doses of the freely combined drugs prior to switching were 5.5 mg bisoprolol and 6.1 mg amlodipine once daily. The mean daily doses prescribed in the FDC were 5.8 and 6.4 mg, respectively. Pill counts at 6 months revealed a good to excellent adherence in >95% of the patients. Comparison of BP at baseline and at 6 months showed substantial changes (mean systolic BP: 147.3 vs. 130.9 mmHg; mean diastolic BP: 87.9 vs. 79.1 mmHg). Clinically relevant improvement in systolic BP was established for 82% of patients. In patients with comorbidities, switching to FDC produced a substantial improvement in BP. A total of 89 (0.7%) adverse events (AEs) were reported, including edema, headache, dizziness, bradycardia, nausea, and skin reactions. Only three AEs were classified as serious.ConclusionThese data from a non-interventional study in a large patient population demonstrate the benefits of prescribing a FDC of bisoprolol-amlodipine in terms of an excellent adherence and an associated improvement in control of previously elevated BP, which may be relevant in real-life practice.FundingMerck KGaA.

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Clinical outcomes and healthcare costs in hypertensive patients treated with a fixed-dose combination of amlodipine/valsartan.

Publications

Clinical outcomes and healthcare costs in hypertensive patients treated with a fixed-dose combination of amlodipine/valsartan.

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