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Excipients as stabilizers.

Crowley1

  • 1SmithKline Beecham Pharmaceuticals, New Frontiers Science Park South, Third Avenue, Harlow, UK CM19 5AW.

Pharmaceutical Science & Technology Today
|June 15, 1999
PubMed
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Excipients often degrade drugs, but understanding drug degradation and excipient properties allows for the stabilization of unstable active ingredients into viable pharmaceutical products.

Area of Science:

  • Pharmaceutical Science
  • Drug Delivery
  • Formulation Development

Background:

  • Excipients are commonly recognized for promoting drug degradation rather than stabilization.
  • Interactions between excipient functional groups and labile drug substances can lead to loss of molecular integrity and quality changes.
  • Research on excipients as stabilizers is limited.

Purpose of the Study:

  • To explore strategies for stabilizing unstable drug substances using excipients.
  • To leverage knowledge of drug degradation pathways and excipient characteristics for product stabilization.
  • To convert inherently unstable drugs into viable pharmaceutical products.

Main Methods:

  • Analysis of drug degradation mechanisms.
  • Characterization of excipient properties and composition.

Related Experiment Videos

  • Application of formulation strategies to enhance drug stability.

    • Main Results:

    • Identified potential for excipients to stabilize unstable drugs.
    • Demonstrated approaches to mitigate drug degradation through careful excipient selection and formulation.
    • Showcased the conversion of labile active ingredients into stable products.

    Conclusions:

    • Despite their propensity to cause degradation, excipients can be utilized as stabilizers for unstable drugs.
    • A thorough understanding of drug-excipient interactions is crucial for successful product stabilization.
    • Formulation development offers viable pathways to create stable drug products from labile substances.