Drug Disposition and Pharmacokinetics

Stephen H. Curry,

Robin Whelpton

E-Book (pdf), 392 Seiten

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Beschreibung

This is an authoritative, comprehensive book on the fate of drugmolecules in the body, including implications for pharmacologicaland clinical effects. The text provides a unique, balancedapproach, examining the specific physical and biological factorsaffecting the absorption, distribution, metabolism and excretion ofdrugs, together with mathematical assessment of the concentrationsin plasma and body fluids. Understanding the equations requireslittle more than a basic knowledge of algebra, laws of indices andlogarithms, and very simple calculus. A companion web site containsadditional illustrations, further equations and numerous workedexamples. Whilst this book has its roots in the highly acclaimed book ofthe same name, written by Stephen Curry nearly thirty years ago, itis essentially a new book having been restructured and largelyrewritten. This readable and informative book is an invaluableresource for professionals and students needing to develop arational approach to the investigation and application ofdrugs.
Autorentext
Stephen H. Curry is an independent consultant, teacher and writer. With extensive experience of academia and the pharmaceutical industry, he is Professor of Pharmacology and Physiology at the University of Rochester, having held appointments at the University of London, the University of Florida, and with Fisons and AstraZeneca. He has written 4 books and over 150 publications in scientific journals, including prize-winning papers and essays. He was the founding co-editor of the Wiley-Blackwell Journal Biopharmaceutics and Drug Disposition. Robin Whelpton is a senior lecturer at Queen Mary University of London with over thirty years teaching experience. He has written and contributed to a number of books, including co-authoring the successful Fundamentals of Analytical Toxicology published by Wiley-Blackwell in 2008, and published extensively in scientific and technical journals.
Klappentext
Drug Disposition and Pharmacokinetics, is an authoritative, comprehensive book on the fate of drug molecules in the body, including implications for pharmacological and clinical effects. This book provides a unique, balanced approach, examining the specific physical and biological factors affecting the absorption, distribution, metabolism and excretion of drugs, together with mathematical assessment of the concentrations in plasma and body fluids. Understanding the equations requires little more than a basic knowledge of algebra, laws of indices and logarithms, and very simple calculus. * A vigorous, balanced account of the processes underlying drug disposition and the practical uses of pharmacokinetic derivations.
* Generously illustrated with examples, tables and figures.
* Written by two experienced authors with a proven track record in research, teaching and industry.
A companion website contains additional equations and examples: *www.wiley.com/go/currydrug Whilst this book has its roots in the highly acclaimed book of the same name, written by Stephen Curry nearly thirty years ago, it is essentially a new book having been restructured and largely rewritten. This readable and informative book will prove invaluable to professionals and students needing to develop a rational approach to the investigation and application of drugs.
Zusammenfassung
This is an authoritative, comprehensive book on the fate of drug molecules in the body, including implications for pharmacological and clinical effects. The text provides a unique, balanced approach, examining the specific physical and biological factors affecting the absorption, distribution, metabolism and excretion of drugs, together with mathematical assessment of the concentrations in plasma and body fluids. Understanding the equations requires little more than a basic knowledge of algebra, laws of indices and logarithms, and very simple calculus. A companion web site contains additional illustrations, further equations and numerous worked examples. Whilst this book has its roots in the highly acclaimed book of the same name, written by Stephen Curry nearly thirty years ago, it is essentially a new book having been restructured and largely rewritten. This readable and informative book is an invaluable resource for professionals and students needing to develop a rational approach to the investigation and application of drugs.
Inhalt
Preface. About the Authors. 1 Chemical Introduction: Sources, Classification and Chemical Properties of Drugs. 1.1 Introduction. 1.2 Drug nomenclature and classification. 1.3 Properties of molecules. 1.4 Physicochemical interactions between drugs and other chemicals. 1.5 Law of mass action. 1.6 Ionization. 1.7 Partition coefficients. 1.8 Stereochemistry. 2 Drug Administration and Distribution. 2.1 Introduction. 2.2 Drug transfer across biological membranes. 2.3 Drug administration. 2.4 Drug distribution. 2.5 Plasma protein binding. 2.6 Summary. 3 Drug Elimination. 3.1 Introduction. 3.2 Metabolism. 3.3 Excretion. 4 Elementary Pharmacokinetics. 4.1 Introduction. 4.2 Single-compartment models. 4.3 Non-linear kinetics. 4.4 Relationship between dose, onset and duration of effect. 4.5 Limitations of single-compartment models. 4.6 Summary. 5 More Complex and Model Independent Pharmacokinetic Models. 5.1 Introduction. 5.2 Multiple compartment models. 5.3 Curve fitting and choice of most appropriate model. 5.4 Model independent approaches. 5.5 Population pharmacokinetics. 5.6 Summary. 6 Kinetics of Metabolism and Excretion. 6.1 Introduction. 6.2 Metabolite kinetics. 6.3 Renal excretion. 6.4 Excretion infaeces. 7 Further Consideration of Clearance, and Physiological Modelling. 7.1 Introduction. 7.2 Clearance in vitro (metabolic stability). 7.3 Clearance in vivo. 7.4 Hepatic intrinsic clearance. 7.5 In vitro to in vivo extrapolation. 7.6 Limiting values of clearance. 7.7 Safe and effective use of clearance. 7.8 Physiological modelling. 7.8.1 Practical considerations. 7.9 Inhomogeneity of plasma. 8 Drug Formulation: Bioavailability, Bioequivalence and Controlled-Release Preparations. 8.1 Introduction. 8.2 Dissolution. 8.3 Systemic availability. 8.4 Formulation factors affecting bioavailability. 8.5 Bioequivalence. 8.6 Controlled-release preparations. 8.7 Conclusions. 9 Factors Affecting Plasma Concentrations. 9.1 Introduction. 9.2 Time of administration of dose. 9.3 Food, diet and nutrition. 9.4 Smoking. 9.5 Circadian rhythms. 9.6 Weight and obesity. 9.7 Sex. 9.8 Pregnancy. 9.9 Ambulation, posture and exercise. 10 Pharmacogenetics and Pharmacogenomics. 10.1 Introduction. 10.2 Methods for the study of pharmacogenetics. 10.3 N-Acetyltransferase. 10.4 Plasma cholinesterase. 10.5 Cytochrome P450 polymorphisms. 10.6 Alcohol dehydrogenase and acetaldehyde dehydrogenase. 10.7 Thiopurine methyltransferase. 10.8 Phase 2 enzymes. 10.9 Transporters. 10.10 Pharmacodynamic differences. 11 Developmental Pharmacology and Age-related Phenomena. 11.1 Introduction. 11.2 Scientific and regulatory environment in regard to younger and older patients. 11.3 Terminology. 11.4 Physiological and pharmacokinetic processes. 11.5 Body surface area versus weight. 11.6 Age groups. 11.7 Further examples. 12 Effects of Disease on Drug Disposition. 12.1 Introduction. 12.2 Gastrointestinal disorders and drug absorption. 12.3 Congestive heart failure. 12.4 Liver disease. 12.5 Renal impairment. &...