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Related Experiment Videos

Study of two controlled-release theophylline preparations.

J N Fink, M B Levy, E Conrad

    The American Journal of Medicine
    |December 20, 1985
    PubMed
    Summary

    A 24-hour sustained-release theophylline formulation offers comparable pharmacokinetic profiles to a 12-hour version in stable asthma patients. This finding supports the use of the 24-hour theophylline preparation for effective asthma therapy.

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    Area of Science:

    • Pharmacology
    • Pulmonology
    • Drug Delivery Systems

    Background:

    • Asthma management requires consistent bronchodilation.
    • Sustained-release theophylline formulations aim to improve patient adherence and therapeutic efficacy.
    • Comparing different release profiles is crucial for optimizing treatment.

    Purpose of the Study:

    • To compare the pharmacokinetic profiles of a 12-hour and a 24-hour sustained-release theophylline preparation.
    • To evaluate the suitability of the 24-hour theophylline product for asthma therapy.

    Main Methods:

    • A pharmacokinetic study involving 20 subjects with stable asthma.
    • Administration of both 12-hour and 24-hour sustained-release theophylline preparations.
    • Analysis of pharmacokinetic parameters to assess drug absorption and elimination.

    Main Results:

    • Pharmacokinetic parameters were comparable between the 12-hour and 24-hour theophylline preparations.
    • Patients in the study had stable asthma with good symptom control.
    • No significant differences in drug disposition were observed between the two formulations.

    Conclusions:

    • The 24-hour sustained-release theophylline preparation demonstrates comparable pharmacokinetic behavior to the 12-hour formulation.
    • The 24-hour sustained-release theophylline product is a viable option for the therapeutic management of asthma.
    • Optimized dosing regimens with 24-hour theophylline may enhance patient compliance.

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