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  • Title: Comparison of bevantolol and atenolol in chronic stable angina.
    Author: Rodrigues EA, Lawrence JD, Dasgupta P, Hains AD, Lahiri A, Wilkinson PR, Raftery EB.
    Journal: Am J Cardiol; 1988 Jun 01; 61(15):1204-9. PubMed ID: 2897780.
    Abstract:
    A randomized, double-blind, parallel-group study design was used to compare the antianginal efficacy of bevantolol (200 to 400 mg) and atenolol (50 to 100 mg) each administrated once daily for 8 weeks in 39 patients with chronic stable angina. Assessments were made using 24-hour ambulatory monitoring and treadmill exercise testing performed 22 to 24 hours after the last dose of medication. Both groups were comparable at the end of the placebo phase. In the bevantolol group, exercise time increased from 7.9 +/- 0.7 minutes with placebo to 9.3 +/- 0.7 minutes with bevantolol (mean +/- standard error of the mean) (p less than 0.05). Time to 1 mm ST depression was unaltered. Rest and exercise heart rate decreased (p less than 0.0001 and less than 0.0005, respectively) as did exercise double product (p less than 0.0001). In the atenolol group exercise time increased from 7.1 +/- 0.7 minutes with placebo to 8.2 +/- 0.8 minutes with atenolol (p less than 0.02). Time to 1 mm ST depression increased (p less than 0.005) and rest and exercise heart rate and double product decreased (p less than 0.0001 and less than 0.05, respectively). When within-group differences between placebo and active drug were compared for bevantolol and atenolol, no significant differences were detected. Both drugs were well tolerated and reduced ambulatory heart rate throughout the 24 hours. This study confirms that both bevantolol and atenolol are effective antianginal agents. Bevantolol compares well with atenolol in the treatment of patients with chronic angina, and there was a similar response to exercise testing with the 2 drugs.
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