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  • Title: Bucindolol, a beta-adrenoceptor blocker with vasodilatory action: its effect in systemic hypertension.
    Author: Rotmensch HH, Rocci ML, Vlasses PH, Swanson BN, Fedder IL, Soyka L, Ferguson RK.
    Journal: Am J Cardiol; 1984 Aug 01; 54(3):353-6. PubMed ID: 6147080.
    Abstract:
    Bucindolol is a newly developed, nonselective beta-adrenergic blocking agent with intrinsic sympathomimetic activity and direct vasodilator properties. In 14 patients with mild to moderate essential hypertension, the effects of bucindolol, hydrochlorothiazide and their combination on blood pressure (BP), heart rate (HR) and parameters of the renin-aldosterone system were compared with those after placebo. Bucindolol's antihypertensive effect was evident within the first hour after drug administration, maximal at 2 to 3 hours, and lasted for as long as 12 hours. Compared with placebo values (108 +/- 5 mm Hg), both bucindolol (97 +/- 9 mm Hg) and hydrochlorothiazide (99 +/- 10 mm Hg) alone significantly and comparably reduced the 12-hour averaged standing diastolic BP, with the combination resulting in approximately additive effects (91 +/- 9 mm Hg). Although bucindolol alone did not affect HR, it attenuated the hydrochlorothiazide-induced increase in HR. There was a tendency for bucindolol to decrease plasma renin activity. Except for transient postural hypotension in 2 patients, bucindolol was well tolerated.
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