The goal of this book is to improve the readers' knowledge of metabolite elucidation in drug metabolism by exposing them to in depth coverage of the biotransformation of xenobiotics, strategies for identifying and characterizing metabolites, FDA guidelines, and case studies on how to improve the decision-making process in structural modification of drug candidates to reduce toxicity. The book consists of 8 chapters; it first provides an introduction on biotransformation of xenobiotics, and then presents modern approaches and strategies for dealing with metabolite characterization, using tools such as LC-MS, H-D exchange, stable isotopes LC-MS-NMR, and radiolabeled compounds. Also, strategies for dealing with reactive intermediates in drug discovery and development are presented as well as case studies on improving the decision-making process in the structural modification of drug candidates. The last chapter discusses the regulatory perspectives of safety testing of drug metabolites and why, how, and when to test their safety.

This publication explains the principles of the techniques used in disposition and metabolism studies in animals, in man, and in vitro. It includes methods for studying routes and rates of absorption, distribution, metabolism, and excretion of novel compounds and their metabolites. Relevant surgical, whole-body autoradiographic and pharmacokinetic procedures are discussed, together with techniques for separating and identifying metabolites and metabolic path-ways. Information on when the procedures are appropriate, and examples of what they represent, are presented in order to illustrate the value of such stud-ies.

If you’re working on or studying the effects of drug metabolisms, then this reference is for you! Handbook of Metabolic Pathways of Xenobiotics is an essential new reference which presents the metabolic fate of xenobiotics in animals and plants, and shows the metabolic pathways in the environment. Presenting a comprehensive guide to understanding the metabolisms of xenobiotics, the Handbook of Metabolic Pathways of Xenobiotics spans five volumes: Volumes 1-2 are Review Articles and Volumes 3-5 are Compound Articles. Review Articles present detailed reviews on the techniques and methods used to establish in vitro and in vivo metabolic pathways. Compound Articles are carefully selected lists of key chemicals representing agrochemicals, pharmaceuticals, animal health products and industrial chemicals. An essential addition to every library, this introduction, guide and catalogue presents: Current topics in the metabolism of xenobiotics Topics of both scientific and regulatory importance are covered, including in vitro high throughput metabolism screens, computer-aided metabolism predictions, and advances in bioanalytical techniques. Techniques and methods used in metabolic pathways 29 chapters provide an introduction to the understanding of drug metabolism and detail how to establish in vitro and in vivo metabolic pathways. Biotransformation pathways Presented as a catalogue of short articles covering major pharmaceuticals, agrochemicals, animal health products and industrial chemicals. Each article summarizes the chemical properties and uses, and presents a detailed review of the chemical and metabolic pathways in soil, plants and animals. Over 450 examples of xenobiotics and their fate in animals and plants Each compound includes systematic information about the metabolic pathway of drugs for human and veterinary medicine, agrochemicals and major industrial chemicals. Chemical and biological fate data The Handbook summarises data from scientific literature, patent literature, industrial resources and regulatory agencies, such as the EPA, FDA, EU, WHO and FAO, in a single reference for the first time. An essential reference for everyone working and studying pharmacokinetics and drug metabolism Coverage of the chemical and biological reactivity of molecules and primary sub-structures makes this an ideal reference for students and research scientists. The broad and diverse coverage of chemical and biological fate under different exposure and biological compartments make this a useful resource for regulatory and developmental scientists. Experience the scope of content offered in the Handbook of Metabolic Pathways of Xenobiotics for yourself, download these articles today: Review Article: Fundamentals of organic chemistry as applicable to the biotransformation of foreign compounds Review Article: Metabolic stability screen in drug discovery Review Article: Unusual metabolic reactions and pathways Compound Article: Ganoderic acid D Compound Article: Milnacipran Compound Article: Tenofovir Online Edition Coming Soon! Featuring the same great content as the five volume print set, the Handbook of Metabolic Pathways for Xenobiotics will be available on Wiley Online Library in summer 2014. The online reference will benefit from the enhanced functionality powered by The Smart Article – learn more about The Smart Article at wileyonlinelibrary.com/thesmartarticle. Free trials will be available when the Online Edition goes live, bookmark this page or sign-up for regular product alerts at www.wiley.com/email to stay informed.

This book provides a comprehensive, organized, and concise overview of xenobiotic metabolic enzymes and their health implications. The subjects addressed are broad in scope with an emphasis on recent advances in research on biochemical and biomedical aspects of these enzymes. The xenobiotics discussed include not just drugs, but also food, smoke, and other environmental chemicals. The subjects covered in this work include: metabolic enzymes and their catalyzed reactions, reactive intermediates generated from metabolic activation, oxidative stress mediated by electrophilic reactive intermediates, bioactivation - mediated cellular and functional damages, activation of Nrf2 – ARE pathway, genetic variations affecting metabolic enzyme expression, enzyme polymorphisms affecting xenobiotic - mediated toxicity, induction of metabolic enzymes for health benefits, and a diversity of metabolic enzyme modulators.