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Understanding the scientific issues embedded in the generic drug approval process.

L S Welage1, D M Kirking, F J Ascione

  • 1Department of Clinical Sciences, College of Pharmacy, University of Michigan Health System, Ann Arbor 48109-1065, USA. lswelage@umich.edu

Journal of the American Pharmaceutical Association (Washington, D.C. : 1996)
|January 5, 2002
PubMed
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The generic drug approval process, including bioequivalence, faces ongoing scientific debate. Despite controversies, the established process for generic medications generally functions effectively, though understanding remains limited.

Area of Science:

  • Pharmacology and Pharmaceutical Sciences
  • Regulatory Science

Background:

  • The generic drug approval process relies on establishing bioequivalence between generic and brand-name medications.
  • Despite established regulations for over two decades, scientific controversies regarding bioequivalence persist.

Purpose of the Study:

  • To critically review the key scientific challenges within the generic drug approval pathway.
  • To assess the current state of understanding and consensus on bioequivalence issues among stakeholders.

Main Methods:

  • Comprehensive literature search using terms like 'generic drugs' and 'bioequivalence' across major scientific databases (MEDLINE, IPA, CINAHL, SCI).
  • Inclusion of regulatory documents, including the Code of Federal Regulations and Food and Drug Administration (FDA) guidances.

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Main Results:

  • Ongoing scientific discussions and evolving FDA guidances highlight persistent bioequivalence controversies.
  • A significant gap exists in clinician and consumer understanding of the scientific basis for generic drug approval and bioequivalence.
  • The current generic drug approval framework is considered functional despite identified challenges.

Conclusions:

  • A thorough understanding of the generic drug approval process and bioequivalence principles is crucial for healthcare professionals and researchers.
  • Addressing knowledge gaps can enhance trust and informed decision-making regarding generic medications.