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  • Title: Therapeutic assessment of urapidil or angiotensin-converting enzyme inhibition in systemic hypertension.
    Author: Rosenthal J, Haerlin R.
    Journal: Am J Cardiol; 1989 Aug 15; 64(7):25D-29D. PubMed ID: 2667311.
    Abstract:
    The antihypertensive efficacy of urapidil, a postsynaptic alpha blocker with an additional central action, was compared with that of the angiotensin I converting enzyme inhibitor captopril under conditions of general practice (multicenter study). The study was performed in a double-blind, randomized, parallel-group fashion. After a 2-week washout and placebo phase, 295 essential hypertensive patients (World Health Organization grades I and II) were treated for 12 weeks with either urapidil or captopril, initially with urapidil, 60 mg twice daily or captopril, 25 mg twice daily, with the possibility of adjusting the dose according to blood pressure response after 2 weeks of treatment. Blood pressure values at the end of the 12-week treatment decreased significantly in the group receiving urapidil (n = 142, all dosages), from 175/103 to 154/89 mm Hg (p less than 0.001), and in the group receiving captopril (n = 153, all dosages) from 175/103 to 154/90 mm Hg (p less than 0.001); these values corresponded to 62% urapidil and 58% captopril responder rates (diastolic blood pressure less than or equal to 90 mm Hg), respectively. The computer-assisted frequency distribution of the patients with controlled diastolic blood pressure (less than or equal to 90 mm Hg) over the duration of the study demonstrated comparable efficacy for both drugs. Adverse effects were observed in 45 patients in the urapidil group and in 18 patients in the captopril group (vertigo, nausea, headache). The results revealed that the 2 antihypertensive agents with different modes of action controlled blood pressure with equal efficacy.(ABSTRACT TRUNCATED AT 250 WORDS)
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