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Microspheres for controlled release drug delivery.

Neelesh K Varde1, Daniel W Pack

  • 1Department of Chemical and Biomolecular Engineering, University of Illinois, Urbana, IL 61801, USA.

Expert Opinion on Biological Therapy
|December 19, 2003
PubMed
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Controlled release drug delivery utilizes polymeric microspheres for sustained therapeutic agent release over extended periods. This review covers fabrication methods, release rate control, and applications in vaccines and protein delivery.

Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Pharmacology

Background:

  • Controlled release drug delivery systems offer advantages over traditional methods, including tailored release rates and improved patient compliance.
  • Polymeric microspheres are effective drug delivery vehicles due to their encapsulation capabilities, biocompatibility, and sustained release properties.

Purpose of the Study:

  • To review methods for fabricating polymeric microspheres for controlled drug delivery.
  • To discuss factors influencing drug release rates from microspheres.
  • To highlight recent advances and future directions in polymer microsphere-based drug delivery.

Main Methods:

  • Fabrication techniques for microparticle creation.
  • Analysis of factors affecting drug release kinetics.

Related Experiment Videos

  • Review of current literature on microsphere applications.

    • Main Results:

    • Polymeric microspheres enable controlled, long-term release of therapeutic agents.
    • Manufacturing scalability, drug stability, and release rate control are key research focuses.
    • Microspheres show promise for single-shot vaccines, plasmid DNA, and protein delivery.

    Conclusions:

    • Polymer microspheres are versatile platforms for advanced drug delivery applications.
    • Continued research aims to optimize manufacturing and therapeutic efficacy.
    • Microsphere technology holds significant potential for future pharmaceutical innovations.