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Zhang X, Wen H, Fan J, Vince B, Li T, Gao W, Kinjo M, Brown J, Sun W, Jiang W, Lionberger R. Integrating In Vitro, Modeling, and In Vivo Approaches to Investigate Warfarin Bioequivalence. CPT Pharmacometrics Syst Pharmacol 2017; 6:523-531. [PMID: 28379643 PMCID: PMC5572358 DOI: 10.1002/psp4.12198] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 02/21/2017] [Accepted: 03/28/2017] [Indexed: 11/21/2022]
Abstract
We demonstrate the use of modeling and simulation to investigate bioequivalence (BE) concerns raised about generic warfarin products. To test the hypothesis that the loss of isopropyl alcohol and slow dissolution in acidic pH has significant impact on the pharmacokinetics of warfarin sodium tablets, we conducted physiologically based pharmacokinetic absorption modeling and simulation using formulation factors or in vitro dissolution profiles as input parameters. Sensitivity analyses indicated that warfarin pharmacokinetics was not sensitive to solubility, particle size, density, or dissolution rate in pH 4.5, but was affected by dissolution rate in pH 6.8 and potency. Virtual BE studies suggested that stressed warfarin sodium tablets with slow dissolution rate in pH 4.5 but having similar dissolution rate in pH 6.8 would be bioequivalent to the unstressed warfarin sodium tablets. A four‐way, crossover, single‐dose BE study in healthy subjects was conducted to test the same hypothesis and confirmed the simulation conclusion.
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Affiliation(s)
- X Zhang
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - H Wen
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - J Fan
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - B Vince
- Vince and Associates Clinical Research Inc, Overland Park, Kansas, USA
| | - T Li
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
| | - W Gao
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
| | - M Kinjo
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - J Brown
- Office of Translational Sciences, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - W Sun
- Office of Translational Sciences, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - W Jiang
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - R Lionberger
- Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
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Zhang X, Duan J, Kesisoglou F, Novakovic J, Amidon GL, Jamei M, Lukacova V, Eissing T, Tsakalozou E, Zhao L, Lionberger R. Mechanistic Oral Absorption Modeling and Simulation for Formulation Development and Bioequivalence Evaluation: Report of an FDA Public Workshop. CPT Pharmacometrics Syst Pharmacol 2017; 6:492-495. [PMID: 28571121 PMCID: PMC5572334 DOI: 10.1002/psp4.12204] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 05/05/2017] [Accepted: 05/09/2017] [Indexed: 12/25/2022]
Abstract
On May 19, 2016, the US Food and Drug Administration (FDA) hosted a public workshop, entitled “Mechanistic Oral Absorption Modeling and Simulation for Formulation Development and Bioequivalence Evaluation.”1 The topic of mechanistic oral absorption modeling, which is one of the major applications of physiologically based pharmacokinetic (PBPK) modeling and simulation, focuses on predicting oral absorption by mechanistically integrating gastrointestinal transit, dissolution, and permeation processes, incorporating systems, active pharmaceutical ingredient (API), and the drug product information, into a systemic mathematical whole‐body framework.2
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Affiliation(s)
- X Zhang
- Office of Research and Standards, Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - J Duan
- Division of Biopharmaceutics, Office of New Drug Products, Office of Pharmaceutical Quality, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - F Kesisoglou
- Biopharmaceutics and Specialty Dosage Forms, Pharmaceutical Sciences and Clinical Supply, Merck & Co., Inc., West Point, Pennsylvania, USA
| | | | - G L Amidon
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, Michigan, USA
| | - M Jamei
- Simcyp Limited (A Certara Company), Blades Enterprise Centre, Sheffield, UK
| | - V Lukacova
- Simulations Plus, Inc., Lancaster, California, USA
| | - T Eissing
- Bayer AG, Systems Pharmacology, Leverkusen, Germany
| | - E Tsakalozou
- Office of Research and Standards, Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - L Zhao
- Office of Research and Standards, Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - R Lionberger
- Office of Research and Standards, Office of Generic Drugs, US Food and Drug Administration, Silver Spring, Maryland, USA
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Lennernäs H, Lindahl A, Van Peer A, Ollier C, Flanagan T, Lionberger R, Nordmark A, Yamashita S, Yu L, Amidon GL, Fischer V, Sjögren E, Zane P, McAllister M, Abrahamsson B. In Vivo Predictive Dissolution (IPD) and Biopharmaceutical Modeling and Simulation: Future Use of Modern Approaches and Methodologies in a Regulatory Context. Mol Pharm 2017; 14:1307-1314. [DOI: 10.1021/acs.molpharmaceut.6b00824] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- H. Lennernäs
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - A. Lindahl
- Medical Products Agency, Uppsala, Sweden
| | - A. Van Peer
- Janssen
Research and Development, Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - C. Ollier
- Sanofi US, 55 Corporate Drive, Bridgewater, New Jersey 08807, United States
| | | | - R. Lionberger
- Office of Research
and Standards, Office of Generic Drugs, Center for Drug Evaluation
and Research, Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | | | - S. Yamashita
- Faculty
of Pharmaceutical Sciences, Setsunan University, Nagaotoge-cho 45-1, Hirakata, Osaka 573-0101, Japan
| | - L. Yu
- Food and Drug Administration, Center for Drug Evaluation and Research, Silver Spring, Maryland 20993, United States
| | - G. L. Amidon
- College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109-1065, United States
| | - V. Fischer
- Drug Metabolism and Pharmacokinetics, Research & Development, AbbVie, North Chicago, Illinois 60064, United States
| | - E. Sjögren
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - P. Zane
- Sanofi US, 55 Corporate Drive, Bridgewater, New Jersey 08807, United States
| | - M. McAllister
- Pharmaceutical Development, GlaxoSmithKline, New
Frontiers Science Park, Harlow, Essex CM19
5AW, United Kingdom
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Irwin JJ, Pottel J, Zou L, Wen H, Zuk S, Zhang X, Sterling T, Shoichet BK, Lionberger R, Giacomini KM. A Molecular Basis for Innovation in Drug Excipients. Clin Pharmacol Ther 2016; 101:320-323. [PMID: 27557422 DOI: 10.1002/cpt.458] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/12/2016] [Accepted: 08/14/2016] [Indexed: 12/27/2022]
Abstract
Excipients are ubiquitous in drug formulation, ensuring that active ingredient drugs are properly released on dosing, retain their properties over time, and are palatable, among other roles. Despite their crucial roles, surprisingly little is known about their systemic availability and activities on molecular targets. Here we review key excipient properties, introduce a public-accessible database that enumerates and categorizes them, and sketch a strategy for exploring their possible direct actions on molecular targets.
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Affiliation(s)
- J J Irwin
- Department of Pharmaceutical Chemistry & QB3 Institute, University of California, San Francisco, California, USA
| | - J Pottel
- Department of Pharmaceutical Chemistry & QB3 Institute, University of California, San Francisco, California, USA
| | - L Zou
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
| | - H Wen
- Food & Drug Administration, Silver Spring, Maryland, USA
| | - S Zuk
- Food & Drug Administration, Silver Spring, Maryland, USA
| | - X Zhang
- Food & Drug Administration, Silver Spring, Maryland, USA
| | - T Sterling
- Department of Pharmaceutical Chemistry & QB3 Institute, University of California, San Francisco, California, USA
| | - B K Shoichet
- Department of Pharmaceutical Chemistry & QB3 Institute, University of California, San Francisco, California, USA
| | - R Lionberger
- Food & Drug Administration, Silver Spring, Maryland, USA
| | - K M Giacomini
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California, USA
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Yu LX, Jiang W, Zhang X, Lionberger R, Makhlouf F, Schuirmann DJ, Muldowney L, Chen ML, Davit B, Conner D, Woodcock J. Novel bioequivalence approach for narrow therapeutic index drugs. Clin Pharmacol Ther 2014; 97:286-91. [PMID: 25669762 DOI: 10.1002/cpt.28] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Accepted: 10/02/2014] [Indexed: 11/07/2022]
Abstract
Narrow therapeutic index drugs are defined as those drugs where small differences in dose or blood concentration may lead to serious therapeutic failures and/or adverse drug reactions that are life-threatening or result in persistent or significant disability or incapacity. The US Food and Drug Administration proposes that the bioequivalence of narrow therapeutic index drugs be determined using a scaling approach with a four-way, fully replicated, crossover design study in healthy subjects that permits the simultaneous equivalence comparison of the mean and within-subject variability of the test and reference products. The proposed bioequivalence limits for narrow therapeutic index drugs of 90.00%-111.11% would be scaled based on the within-subject variability of the reference product. The proposed study design and data analysis should provide greater assurance of therapeutic equivalence of narrow therapeutic index drug products.
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Affiliation(s)
- L X Yu
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
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