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[Insulin delivery by using PLGA nanoparticulate system].

Yoshiaki Kawashima1

  • 1School of Pharmaceutical Science, Aichi Gakuin University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|February 4, 2006
PubMed
Summary

Poly(lactic-co-glycolic) acid (PLGA) nanospheres offer a promising system for insulin delivery. This review covers PLGA nanosphere preparation, controlled drug release, and practical applications for enhanced therapeutic effects.

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Pharmaceutical Sciences

Background:

  • Insulin therapy is crucial for diabetes management.
  • Conventional insulin delivery methods face challenges like short half-life and frequent injections.
  • Nanoparticulate systems offer potential for improved insulin delivery and therapeutic outcomes.

Purpose of the Study:

  • To review the preparation methods of poly(lactic-co-glycolic) acid (PLGA) nanospheres for insulin encapsulation.
  • To discuss strategies for controlling the drug release rate from PLGA nanospheres.
  • To summarize the practical applications of PLGA nanosphere-based insulin delivery systems.

Main Methods:

  • Literature review of PLGA nanosphere preparation techniques.
  • Analysis of methods for modulating insulin release kinetics.
  • Compilation of data on in vivo and in vitro performance of PLGA insulin DDS.

Main Results:

  • Various methods exist for fabricating insulin-loaded PLGA nanospheres.
  • Drug release profiles can be tailored by adjusting PLGA properties and formulation parameters.
  • PLGA nanospheres demonstrate potential for sustained and targeted insulin delivery.

Conclusions:

  • PLGA nanospheres represent a viable platform for developing advanced insulin delivery systems.
  • Controlled release mechanisms are key to enhancing the therapeutic efficacy of encapsulated insulin.
  • Further research into PLGA nanosphere DDS can lead to improved diabetes management strategies.

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