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Mechanistic Oral Absorption Modeling and Simulation for Formulation Development and Bioequivalence Evaluation: Report
X Zhang1, J Duan2, F Kesisoglou3
1Office of Research and Standards, Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA.
Mechanistic oral absorption modeling uses physiologically based pharmacokinetic (PBPK) models to predict drug absorption. This approach integrates gastrointestinal processes for formulation development and bioequivalence evaluation.
Area of Science:
- Pharmacokinetics
- Drug Development
- Computational Biology
Background:
- Physiologically based pharmacokinetic (PBPK) modeling and simulation is a key tool in pharmaceutical research.
- Mechanistic oral absorption modeling is a significant application within PBPK.
Framework:
- This modeling approach mechanistically integrates gastrointestinal transit, dissolution, and permeation.
- It incorporates systems, active pharmaceutical ingredient (API), and drug product information.
Implementation:
- The workshop focused on the application of these models for formulation development.
- It also addressed the use of mechanistic oral absorption modeling for bioequivalence evaluation.
Implications:
- This approach enhances the prediction of oral drug absorption.
- It supports efficient formulation development and bioequivalence assessment in drug development.
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