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Related Experiment Videos

[Availability of propylphenazone from suppositories. 2. Bioavailability].

F Hackenberger, T Gabrio, D Grune

    Die Pharmazie
    |April 1, 1986
    PubMed
    Summary
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    Four propyphenazone suppository formulations demonstrated bioequivalence in healthy volunteers. Aminophenazone suppositories showed higher plasma concentrations than propyphenazone, correlating with in vitro availability results.

    Area of Science:

    • Pharmacokinetics
    • Drug bioavailability
    • Pharmaceutical formulations

    Context:

    • Investigating drug delivery systems for propyphenazone.
    • Evaluating the performance of fatty-based suppositories.
    • Comparing propyphenazone with aminophenazone bioavailability.

    Purpose:

    • To assess the bioequivalence of four propyphenazone suppository preparations.
    • To compare the plasma concentrations of propyphenazone and aminophenazone.
    • To correlate in vivo bioavailability with in vitro drug release.

    Summary:

    • Four propyphenazone suppository formulations on a fatty base were bioequivalent in 10 healthy volunteers, based on AUC values.
    • Aminophenazone suppositories at equivalent doses resulted in significantly higher plasma concentrations compared to propyphenazone.

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  • In vivo bioavailability data correlated well with in vitro availability findings.

    • Impact:

    • Provides evidence for bioequivalence of different propyphenazone suppository formulations.
    • Offers comparative pharmacokinetic data between propyphenazone and aminophenazone.
    • Supports the use of in vitro testing to predict in vivo drug performance.