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# Guidance on Mechanism-Based Absorption Modeling
- URL: https://www.fdaweb.com/guidance-on-mechanism-based-absorption-modeling/
- Published: 2016-03-07T12:00:00.000Z
- Updated: 2026-09-15T02:41:19.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5134990

*Federal Register* Notice: FDA will hold a public workshop 5/19 entitled “Mechanistic Oral Absorption Modeling and Simulation for Formulation Development and Bioequivalence Evaluation.” The purpose of the workshop is to share current FDA experiences on the application of mechanism-based absorption modeling and simulation in regulatory activities; discuss current and future utility of mechanism-based absorption modeling and simulation in the development of bioequivalent oral drug products and regulatory reviews; obtain input from various stakeholders on when, where, and how to conduct mechanism-based absorption modeling and simulations in the context of bioequivalent product development; and request comments on these topics. The workshop will be held from 8:30 a.m. to 4:30 p.m. at FDA White Oak Campus, 10903 New Hampshire Ave., Bldg. 31 Conference Center, the Great Room (Rm. 1503A), Silver Spring, MD. Contact **Xinyuan Zhang**, (240) 402-7971, email: Xinyuan.Zhang@fda.hhs.gov or **Liang Zhao** (240) 402-4468, email: Liang.Zhao@fda.hhs.gov. To view this notice, click [here.](https://www.gpo.gov/fdsys/pkg/FR-2016-03-07/pdf/2016-04965.pdf?ref=fdaweb.com)