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Related Experiment Videos

[Bioavailability of ampicillin suspensions].

G B Garsheva, V K Vasil'ev, L K Grakovskaia

    Antibiotiki
    |August 1, 1979
    PubMed
    Summary

    Anhydrous ampicillin suspensions show faster drug release than ampicillin trihydrate suspensions. This study developed methods to assess dissolution rates and confirmed anhydrous ampicillin

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    Area of Science:

    • Pharmaceutical Sciences
    • Drug Delivery Systems

    Background:

    • Ampicillin is a widely used antibiotic.
    • Understanding ampicillin suspension dissolution is crucial for effective drug formulation.
    • Two common forms, anhydrous ampicillin and ampicillin trihydrate, exist.

    Purpose of the Study:

    • To compare the dissolution rates of anhydrous ampicillin and ampicillin trihydrate suspensions.
    • To develop reliable methods for assessing ampicillin dissolution from suspensions.
    • To evaluate the pharmacokinetics of these ampicillin formulations in vivo.

    Main Methods:

    • Studied ampicillin transfer rates from anhydrous and trihydrate suspensions.
    • Developed and validated methods for dissolution rate estimation.
    • Conducted pharmacokinetic studies in a canine model.

    Main Results:

    • Established conditions for accurate dissolution rate measurement.
    • Demonstrated significantly faster dissolution for anhydrous ampicillin suspensions.
    • Pharmacokinetic data supported the in vitro findings.

    Conclusions:

    • Anhydrous ampicillin suspensions offer advantages over ampicillin trihydrate suspensions.
    • Optimized dissolution is key for improved ampicillin bioavailability.
    • Further research into anhydrous ampicillin formulations is warranted.

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