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  • Title: Multicenter comparison of dilevalol to placebo in patients with mild hypertension.
    Author: Frishman WH, Schoenberger JA, Gorwit JI, Bedsole GD, Cubbon J, Poland MP.
    Journal: Am J Hypertens; 1988 Jul; 1(3 Pt 3):295S-299S. PubMed ID: 3046631.
    Abstract:
    The antihypertensive effects of oral dilevalol, a beta-blocking agent with vasodialating properties were compared with placebo in 128 mildly hypertensive patients (supine diastolic blood pressure 95 to 105 mm Hg) in a multicenter, double-blind, parallel group study. Following a 4-week placebo phase, 63 patients were randomly assigned to receive dilevalol and 65 to receive placebo. A titration phase followed during which the dose of dilevalol was increased every other week from 100 mg to 800 mg to achieve a supine diastolic blood pressure (SDBP) less than 90 mm Hg and decreased by 10 mm Hg or more from baseline. A matching number of placebo capsules for each dose level of dilevalol was dispensed for blinding purposes. Patients who had at least a 5 mm Hg reduction in SDBP entered a 1-month maintenance phase. Blood pressure and heart rate were measured weekly 20 to 24 hours after a dose. This study demonstrated that the minimally effective dose of dilevalol was 100 mg, which was shown to result in a significantly (P less than or equal to 0.05) greater reduction in systolic BP. A once-daily dose of 200 mg was superior to placebo in both systolic and diastolic BP effects (P less than 0.001 and less than 0.001, respectively), and this superiority was seen again at both the end of titration and the end of the study. The BP reduction was accompanied by a small (5 bpm) decrease in heart rate. The side effect profile of dilevalol was not different from placebo. Dilevalol appears to have no adverse effect on plasma lipids.(ABSTRACT TRUNCATED AT 250 WORDS)
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