Abstract
Background and Objectives: Optimal control of hypertension reduces the risk of long-term cardiovascular complications, and current guidelines recommend blood pressure (BP) targets of <140/90 mmHg for patients. Despite this, the BP of many patients with hypertension in primary health care remains poorly controlled. The ACE inhibitor perindopril has proven BP-lowering efficacy as well as protective effects against cardiovascular events among patients with additional cardiovascular risk factors. The PREFER study assessed the anti-hypertensive efficacy and safety of perindopril 5–10 mg/day among hypertensive patients who were unresponsive to treatment with other ACE-inhibitor-based regimens.
Methods: The PREFER study was an open-label, prospective, observational study conducted in primary health-care centres throughout Romania. Patients selected for the study (n = 824; mean ± SD age 60.3 ± 9.8 years) had uncontrolled hypertension (i.e. seated BP >−140/90 mmHg, or >−130/80 mmHg in patients with diabetes mellitus or at high cardiovascular risk) despite receiving ACE inhibitors either alone or in free combination with other antihypertensive classes. At study entry, current ACE inhibitor treatment was replaced by perindopril 5 mg/day. Patients were followed up monthly for 3 months and the dosage of perindopril could be increased to 10 mg/day in cases of failure to achieve BP control. No other change in antihypertensive therapy was permitted.
Results: Replacing the previous ACE inhibitor with perindopril 5–10 mg/day resulted in decreases of 26.2mmHg (from 162.6 ±15.6 to 136.4 ±14.6 mmHg [p < 0.001]) in systolic BP and of 12.6 mmHg (from 96.9 ±17.2 to 84.3 ±12.8 mmHg [p<0.001]) in diastolic BP. Mean pulse pressure (PP) was reduced by 13.6 mmHg (from 65.7 to 52.1 mmHg) with greater decreases seen in patients aged >70 years or with isolated systolic hypertension. BP control was achieved in 48.1% of the previously uncontrolled population. Antihypertensive efficacy was observed across patient subgroups regardless of the severity of hypertension at baseline and number of cardiovascular risk factors. Patient compliance with treatment was high throughout the study.
Conclusions: Perindopril 5–10 mg/day lowers BP and PP and improves BP control among hypertensive patients who were previously unresponsive to other ACE inhibitor-based regimens.
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This study was financially supported by Servier. The author has received honoraria from Servier but has no other relevant affiliations, financial involvements with any organization or entity, or conflicts of interest that are directly relevant to the content of this study.
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Ionescu, DD., PREFER Investigators. Antihypertensive Efficacy of Perindopril 5–10 mg/day in Primary Health Care. Clin. Drug Investig. 29, 767–776 (2009). https://doi.org/10.2165/11319700-000000000-00000
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DOI: https://doi.org/10.2165/11319700-000000000-00000