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Bioequivalence accomplishments, ongoing initiatives, and remaining challenges.
1US Food and Drug Administration, Center for Veterinary Medicine, Rockville, MD, USA.
Assessing veterinary product bioequivalence (BE) faces unique challenges. This review updates advancements and initiatives for veterinary BE, highlighting methods for complex dosage forms and species-specific needs.
Area of Science:
- Veterinary Pharmacology
- Drug Product Comparability
- Bioequivalence Studies
Background:
- Bioequivalence (BE) assessment concepts originated in the late 1960s.
- Significant advancements in tools for product comparability assessment have occurred.
- Unresolved challenges persist in bioequivalence evaluations.
Purpose of the Study:
- To provide an update on recent advances in veterinary bioequivalence.
- To highlight achievements and ongoing initiatives in veterinary product assessment.
- To address challenges unique to veterinary medicine in bioequivalence.
Main Methods:
- Review of recent advancements in bioequivalence assessment tools.
- Discussion of unique challenges in veterinary medicine (e.g., multiple species, dosage forms).
- Exploration of methods for evaluating long-acting veterinary products.
Main Results:
- Veterinary bioequivalence faces unique hurdles including diverse species, dosage forms (intramammary, premixes), and physiological constraints.
- Adaptation of human health advancements is sometimes possible, but novel methods are often required.
- Progress has been made in addressing these specific veterinary challenges.
Conclusions:
- Continued innovation is necessary to overcome unique veterinary bioequivalence challenges.
- Developing tailored methods is crucial for ensuring product equivalence in veterinary medicine.
- This review summarizes key developments and ongoing efforts in the field.
Related Concept Videos
Bioequivalence: Overview
Equivalence: In Vitro and In Vivo Bioequivalence
Bioequivalence studies: Biowaivers
Bioequivalence Data: Statistical Interpretation
Drug Products: Biologics, Biosimilars and Interchangeables
Bioequivalence of Drugs: Drugs with Multiple Indications

