Bioavailability and Bioequivalence

Ajit S. Narang, Ram I. Mahato

Research output: Chapter in Book/Report/Conference proceedingChapter


This chapter discusses the background, concepts, and methodology for the assessment of bioavailability (BA). It also discusses various factors affecting BA, which include drug substance-related, dosage form-related, and physiological parameters. Finally, the chapter addresses the concepts of bioequivalence (BE), study design, data interpretation, and criteria for the assessment of BE.

Original languageEnglish (US)
Title of host publicationPharmaceutics
Subtitle of host publicationBasic Principles and Application to Pharmacy Practice, Second Edition
Number of pages19
ISBN (Electronic)9780323997966
ISBN (Print)9780323997973
StatePublished - Jan 1 2023


  • Area under the curve (AUC)
  • Bioavailability (BA)
  • Bioequivalence (BE)
  • Drug absorption
  • In vitro-in vivo correlation (IVIVC)

ASJC Scopus subject areas

  • General Medicine
  • Pharmacology, Toxicology and Pharmaceutics(all)


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