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Related Experiment Videos

Angina pectoris: effective therapy once daily.

G Prager

    The Journal of International Medical Research
    |January 1, 1979
    PubMed
    Summary

    Nadolol, taken once daily, and propranolol, taken four times daily, showed similar efficacy in reducing angina attacks and nitroglycerin use. Nadolol demonstrated superior exercise performance and sustained benefits without serious side effects.

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    Area of Science:

    • Cardiology
    • Pharmacology

    Background:

    • Angina pectoris management often involves beta-blockers.
    • Optimizing dosing frequency and drug choice is crucial for patient outcomes.

    Purpose of the Study:

    • To compare the efficacy and safety of once-daily nadolol versus four-times-daily propranolol in angina patients.
    • To evaluate the sustained effects of nadolol in an extended treatment phase.

    Main Methods:

    • A double-blind, randomized trial involving 29 anginal patients.
    • Comparison of nadolol (once daily) and propranolol (titrated, four times daily) over 14 weeks.
    • Assessment of efficacy through anginal attack frequency, nitroglycerin usage, and exercise electrocardiogram (EKG) performance.

    Main Results:

    • Both nadolol and propranolol demonstrated comparable reductions in anginal attacks and nitroglycerin consumption.
    • Nadolol showed significantly improved exercise tolerance compared to propranolol.
    • Sustained clinical improvements were observed during the extended nadolol treatment period.
    • No serious adverse events or laboratory abnormalities were reported for either drug.

    Conclusions:

    • Once-daily nadolol is an effective and well-tolerated alternative to multiple-daily dosing of propranolol for angina management.
    • Nadolol offers potential advantages in exercise performance and dosing convenience.
    • The findings support nadolol's role in long-term angina treatment.

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