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Related Experiment Videos

New nitrate delivery systems: buccal nitroglycerin.

J Abrams

    American Heart Journal
    |May 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    New buccal nitroglycerin (NTG) tablets offer fast relief from angina pain, similar to sublingual NTG, with sustained effectiveness for up to 6 hours. This nitrate formulation provides prolonged protection against anginal symptoms.

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    Area of Science:

    • Pharmacology
    • Cardiovascular Medicine
    • Drug Delivery Systems

    Background:

    • Nitrate formulations are crucial for managing angina pectoris.
    • Existing long-acting nitrates have limitations in onset or duration of action.
    • A novel buccal nitrate formulation, BN, has become available.

    Purpose of the Study:

    • To evaluate the efficacy and pharmacokinetic profile of BN.
    • To compare BN with existing long-acting nitrate preparations.
    • To assess the safety and tolerability of BN in angina patients.

    Main Methods:

    • Clinical investigations utilizing serial treadmill testing in patients with angina.
    • Pharmacological assessments of onset and duration of action.
    • Comparative analysis with other long-acting nitrates.

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    Main Results:

    • BN demonstrates a prompt onset of action, comparable to sublingual nitroglycerin (NTG).
    • Sustained pharmacological effect persists for 2 to 6 hours while in the buccal pouch.
    • Treadmill testing confirmed clinical effectiveness and bioactivity starting within minutes and lasting over 4 hours.
    • BN is well-tolerated by patients.

    Conclusions:

    • BN represents an effective new addition to the nitrate armamentarium for angina management.
    • The formulation offers a valuable combination of rapid onset and prolonged duration of action.
    • BN provides sustained protection against anginal pain.