Effects of an antihypertensive combination in japanese hypertensive outpatients based on the long-acting calcium channel blocker benidipine on vascular and renal events: A sub-analysis of the cope trial

Combination Therapy of Hypertension to Prevent Cardiovascular Events (COPE) Trial Group

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Abstract

Background: In the trial known as COPE (Combination Therapy of Hypertension to Prevent Cardiovascular Events), three benidipine (a Calcium Channel Blocker; CCB) regimens were compared. Hypertensive Japanese outpatients aged 40–85 years (n=3,293) who did not achieve the target blood pressure of <140/90 mmHg with benidipine 4 mg/day were treated with the diuretic thiazide (n=1,094) or a β-blocker (n=1,089) or an additional Angiotensin Receptor Blocker (ARB; n=1,110). A significantly higher incidence of hard cardiovascular composite endpoints and of fatal or non-fatal strokes was observed in the benidipine-β-blocker group compared to the benidipine-thiazide group. Objective and Methods: We further evaluated the treatment effects of the three benidipine-based regimens on vascular and renal events in a sub-analysis of the COPE patients. Results: A total of 10 vascular events (0.8 per 1,000 person-years) including one aortic dissection (0.1 per 1,000 person-years) and nine cases of peripheral artery disease (0.8 per 1,000 person-years) were documented, as was a total of seven renal events (0.6 per 1,000 person-years). No significant differences in vascular and renal events were revealed among the three treatment groups: vascular events, p=0.92; renal events, p=0.16, log-rank test. Conclusion: Blood pressure-lowering therapy with benidipine combined with an ARB, β-blocker, or thiazide was similarly effective in the prevention of vascular and renal events in hypertensive outpatients, although there are not enough events to compare the difference in the three treatment groups.

Original languageEnglish
Pages (from-to)238-245
Number of pages8
JournalCurrent Hypertension Reviews
Volume16
Issue number3
DOIs
Publication statusPublished - 2020

Keywords

  • Antihypertensive therapy
  • Calcium channel blocker
  • Combination therapy
  • Randomized clinical trial
  • Renal event
  • Vascular event

ASJC Scopus subject areas

  • Internal Medicine

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