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Predictive Modeling of Pharmaceutical Unit Operations
1st Edition - April 9, 2014
Editors: Preetanshu Pandey, Rahul Bharadwaj
Hardback ISBN:9780081001547
9 7 8 - 0 - 0 8 - 1 0 0 1 5 4 - 7
eBook ISBN:9780081001806
9 7 8 - 0 - 0 8 - 1 0 0 1 8 0 - 6
The use of modeling and simulation tools is rapidly gaining prominence in the pharmaceutical industry covering a wide range of applications. This book focuses on modeling and… Read more
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The use of modeling and simulation tools is rapidly gaining prominence in the pharmaceutical industry covering a wide range of applications. This book focuses on modeling and simulation tools as they pertain to drug product manufacturing processes, although similar principles and tools may apply to many other areas. Modeling tools can improve fundamental process understanding and provide valuable insights into the manufacturing processes, which can result in significant process improvements and cost savings. With FDA mandating the use of Qualityby Design (QbD) principles during manufacturing, reliable modeling techniques can help to alleviate the costs associated with such efforts, and be used to create in silico formulation and process design space. This book is geared toward detailing modeling techniques that are utilized for the various unit operations during drug product manufacturing. By way of examples that include case studies, various modeling principles are explained for the nonexpert end users. A discussion on the role of modeling in quality risk management for manufacturing and application of modeling for continuous manufacturing and biologics is also included.
Explains the commonly used modeling and simulation tools
Details the modeling of various unit operations commonly utilized in solid dosage drug product manufacturing
Practical examples of the application of modeling tools through case studies
Discussion of modeling techniques used for a risk-based approach to regulatory filings
Explores the usage of modeling in upcoming areas such as continuous manufacturing and biologics manufacturingBullet points
Individuals within the Pharmaceutical, Food, Consumer health and Chemical industries
List of contributors
Predictive modeling of pharmaceutical unit operations
Preface
1. Modeling of drug product manufacturing processes in the pharmaceutical industry
Abstract
1.1 Introduction
1.2 Modeling techniques
1.3 Process modeling in drug product manufacturing
References
2. Quality risk management for pharmaceutical manufacturing: The role of process modeling and simulations
Abstract
2.1 Introduction
2.2 Quality risk management in pharmaceutical manufacturing
2.3 Scientific considerations in model development for quality risk management
2.4 Using process models to support quality risk management for emerging technologies
2.5 Conclusions
References
3. Powder flow and blending
Abstract
3.1 Critical role of the powder blending step in pharmaceutical manufacturing
3.2 Common challenges in powder blending
3.3 Granular mixing fundamentals
3.4 Assessment, measurement, and characterization
3.5 Modeling techniques for powder mixing
3.6 Summary and outlook
Acknowledgements
References
4. Dry granulation process modeling
Abstract
4.1 Introduction
4.2 Challenges in dry granulation modeling and recent progress
4.3 Modeling tools
4.4 Experimental validation
4.5 Case studies of model application
4.6 Conclusions
References
5. Mechanistic modeling of high-shear and twin screw mixer granulation processes
Abstract
5.1 Introduction
5.2 Modeling techniques for high-shear wet granulation processes
5.3 Numerical techniques
5.4 Application of high-shear wet granulation models
5.5 General discussion and conclusions
References
6. Fluid bed granulation and drying
Abstract
6.1 Introduction
6.2 Granulation modeling
6.3 Drying modeling
6.4 FluidBeG: an integrated granulation and drying model
6.5 Future developments
References
7. Modeling of milling processes via DEM, PBM, and microhydrodynamics
Abstract
7.1 Introduction
7.2 Microhydrodynamic modeling of wet media milling
7.3 DEM for modeling of dry milling
7.4 PBM for process-scale modeling of milling
7.5 Multiscale modeling approaches for dry media (ball) milling
7.6 Case study: application of the microhydrodynamic model to preparation of drug nanosuspensions
7.7 Case study: application of the multiscale DEM–PBM approach to rolling ball milling
7.8 Concluding remarks
Acknowledgments
References
8. Modeling of powder compaction with the drucker–prager cap model
Abstract
8.1 Introduction
8.2 The particulate nature of compacts and the modeling of their behavior
8.3 Constitutive models
8.4 Parameter identification
8.5 Finite element modeling
8.6 Case studies
References
9. Modeling approaches to multilayer tableting
Abstract
9.1 Introduction
9.2 Models
9.3 Conclusions
References
10. Computational modeling of pharmaceutical die filling processes
Abstract
10.1 Introduction
10.2 Background of pharmaceutical die filling
10.3 Computational setup of die filling
10.4 Computational analysis of die filling
10.5 Summary
References
11. Modeling tablet film-coating processes
Abstract
11.1 Introduction
11.2 Thermodynamic modeling
11.3 Spray atomization modeling
11.4 Tablet mixing modeling
11.5 Prospects for an integrated film-coating process model
References
12. Modeling in pharmaceutical packaging
Abstract
12.1 Introduction
12.2 Container WVTR of pharmaceutical packaging
12.3 Moisture sorption isotherm of pharmaceutical products
12.4 Moisture uptake modeling of packaged pharmaceutical products
12.5 Case studies
12.6 Summary
Acknowledgments
References
13. Continuous secondary process selection and the modeling of batch and continuous wet granulation
Abstract
13.1 Paradigm shift to continuous processing for solid dose manufacture
13.2 Selection of the appropriate process based on powder flow and compressibility
13.3 Introduction to modeling batch high shear granulation
13.4 Modeling batch high shear granulation by sampling during granulation
13.5 Impact of raw material particle size and surface area changes on high shear granulation modeling
13.6 Models describing scale-up and equipment transfer of batch high shear granulation
13.7 Evaluating the significance of work, Xsat and the amount of water added within scale
13.8 A single equation to model granulation—SaWW model
13.10 The impact of feeder variability on twin screw wet granulation
13.11 Conclusion
References
Appendix A DoE and Repeat Run Data Tables
14. Process modeling in the biopharmaceutical industry
Abstract
14.1 Introduction
14.2 Theoretical foundations
14.3 Bioreactor operation and modeling
14.4 Liquid chromatography
14.5 Lyophilization (freeze drying)
14.6 Conclusions
References
Index
No. of pages: 464
Language: English
Published: April 9, 2014
Imprint: Woodhead Publishing
Hardback ISBN: 9780081001547
eBook ISBN: 9780081001806
PP
Preetanshu Pandey
Preetanshu Pandey obtained his Bachelor’s chemical engineering degree from Indian Institute of Technology, Kanpur, India. He holds a M.S. and Ph.D. degree in chemical engineering from West Virginia University. He is currently working as a Principal Scientist at the Drug Product Science and Technology department at Bristol-Myers Squibb. At BMS, he is primarily involved with developing oral solid dosage drug products. Prior to joining BMS, he worked at Schering-Plough/Merck for over 3 years on drug product development of inhalation products. He is actively involved with AAPS and AICHE organizations and has chaired symposiums and open forums in previous annual meetings. He serves as a reviewer for multiple journals and has authored over 40 peer-reviewed publications, 3 patent applications, and 3 invited book chapters.
Affiliations and expertise
Principal Scientist in the Dept. of Drug Product Science and Technology at Bristol-Myers Squibb, New Brunswick, NJ, USA .
RB
Rahul Bharadwaj
Dr. Rahul Bharadwaj is the Vice-President of Engineering and Business Development at Rocky DEM, Inc. Dr. Bharadwaj has over a decade of experience in the development, validation and application of computational tools such as Discrete Element Modeling (DEM), Computational Fluid Dynamics and Finite Element Analyses for industries such as pharmaceutical, chemical, agriculture, mining, oil & gas, etc. He received his M.S. in Mechanical Engineering from the University of Kentucky (2003) and a Ph.D. in Mechanical Engineering from Purdue University (2006). He has since then held positions as senior scientist in Pfizer R&D and also as a consulting engineer at Jenike and Johanson Inc. He is also an active member of American Institute of Chemical Engineers (AIChE), American Association of Pharmaceutical Scientists (AAPS), and is the founder and past-chair of its Process Modeling and Simulation Focus Group
Affiliations and expertise
Vice-President of Engineering and Business Development at Rocky DEM, Inc.