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Poly(hydroxy acids) in drug delivery.

K Juni, M Nakano

    Critical Reviews in Therapeutic Drug Carrier Systems
    |January 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Poly(hydroxy acids) like polylactic acid and polycaprolactone offer biodegradable and biocompatible drug delivery solutions. This review covers their properties and applications, highlighting recent advancements in drug delivery systems.

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    Area of Science:

    • Biomaterials Science
    • Polymer Chemistry
    • Drug Delivery Systems

    Background:

    • Poly(hydroxy acids) are recognized for their biodegradability and biocompatibility, making them promising for drug delivery.
    • While lactic acid and glycolic acid copolymers are well-studied, research on epsilon-caprolactone and poly-beta-hydroxybutyric acid is less extensive.
    • Poly-beta-hydroxybutyric acid, a naturally occurring polymer, has only recently been explored for drug delivery applications.

    Purpose of the Study:

    • To review the applications of poly(hydroxy acids) in drug delivery.
    • To discuss the physicochemical properties, biodegradability, and biocompatibility of these polymers.
    • To present recent in vitro and in vivo evaluations of drug dosage forms utilizing these materials.

    Main Methods:

    Related Experiment Videos

  • Literature review of poly(hydroxy acids) in drug delivery.
  • Analysis of physicochemical properties, biodegradability, and biocompatibility data.
  • Inclusion of recent laboratory findings on polylactic acid and poly-beta-hydroxybutyric acid.

    • Main Results:

    • Poly(hydroxy acids) demonstrate significant potential for controlled drug release.
    • Polylactic acid, polyglycolic acid, polycaprolactone, and poly-beta-hydroxybutyric acid exhibit varying degradation rates and mechanical properties.
    • In vitro and in vivo studies confirm the efficacy and safety of drug delivery systems based on these polymers.

    Conclusions:

    • Poly(hydroxy acids) are versatile biomaterials for advanced drug delivery systems.
    • Further research into polycaprolactone and poly-beta-hydroxybutyric acid could unlock new therapeutic applications.
    • These polymers offer a viable platform for developing effective and safe drug formulations.