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Related Experiment Videos

Evolution and design of 'rate controlled' osmotic forms.

F Theeuwes

    Current Medical Research and Opinion
    |January 1, 1983
    PubMed
    Summary

    A novel precision release osmotic system, the elementary osmotic pump, offers controlled drug delivery via osmosis. This innovation, exemplified by

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    Elementary osmotic pump for indomethacin.

    Journal of pharmaceutical sciences·1983

    Area of Science:

    • Pharmacology
    • Drug Delivery Systems
    • Osmotic Pump Technology

    Background:

    • Development of advanced therapeutic systems for precise drug administration.
    • Introduction of the gastro-intestinal therapeutic system (GITS) as a precursor.
    • Need for improved drug delivery to enhance therapeutic efficacy and reduce side effects.

    Purpose of the Study:

    • To introduce and describe the precision release osmotic form, also known as the elementary osmotic pump.
    • To detail the mechanism of controlled drug release based on osmotic principles.
    • To evaluate the performance of 'Osmosin', the first drug incorporated into this system.

    Main Methods:

    • Design and miniaturization of a prototype osmotic pump.
    • Incorporation of sodium indomethacin trihydrate into the precision release form ('Osmosin').
    • Comparative analysis of 'Osmosin' release profiles against conventional drug formulations.

    Main Results:

    • 'Osmosin' demonstrated more sustained and constant drug release compared to conventional forms.
    • The elementary osmotic pump enables precise drug delivery over prolonged periods.
    • The system aims to reduce dose-related side effects and facilitate once-daily dosing.

    Conclusions:

    • The precision release osmotic form (elementary osmotic pump) represents a significant advancement in controlled drug delivery.
    • 'Osmosin' shows promise for improved therapeutic outcomes due to optimized drug release.
    • This technology has the potential to enhance drug applicability by enabling simplified dosing regimens and reducing adverse effects.

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