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Drug-Like Properties
Concepts, Structure Design and Methods from ADME to Toxicity Optimization
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2nd Edition - December 17, 2015
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Authors: Li Di, Edward H Kerns
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Language: English
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Hardback ISBN:9 7 8 - 0 - 1 2 - 8 0 1 0 7 6 - 1
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eBook ISBN:9 7 8 - 0 - 1 2 - 8 0 1 3 2 2 - 9
Of the thousands of novel compounds that a drug discovery project team invents and that bind to the therapeutic target, only a fraction have sufficient ADME (absorption, di… Read more
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Request a sales quoteOf the thousands of novel compounds that a drug discovery project team invents and that bind to the therapeutic target, only a fraction have sufficient ADME (absorption, distribution, metabolism, elimination) properties, and acceptable toxicology properties, to become a drug product that will successfully complete human Phase I clinical trials. Drug-Like Properties: Concepts, Structure Design and Methods from ADME to Toxicity Optimization, Second Edition, provides scientists and students the background and tools to understand, discover, and develop optimal clinical candidates. This valuable resource explores physiochemical properties, including solubility and permeability, before exploring how compounds are absorbed, distributed, and metabolized safely and stably. Review chapters provide context and underscore the importance of key concepts such as pharmacokinetics, toxicity, the blood-brain barrier, diagnosing drug limitations, prodrugs, and formulation. Building on those foundations, this thoroughly updated revision covers a wide variety of current methods for the screening (high throughput), diagnosis (medium throughput) and in-depth (low throughput) analysis of drug properties for process and product improvement. From conducting key assays for interpretation and structural analysis, the reader learns to implement modification methods and improve each ADME property.
Through valuable case studies, structure-property relationship descriptions, and structure modification strategies, Drug-Like Properties, Second Edition, offers tools and methods for ADME/Tox scientists through all aspects of drug research, discovery, design, development, and optimization.
- Provides a comprehensive and valuable working handbook for scientists and students in medicinal chemistry
- Includes expanded coverage of pharmacokinetics fundamentals and effects
- Contains updates throughout, including the authors’ recent work in the importance of solubility in drug development; new and currently used property methods, with a reduction of seldom-used methods; and exploration of computational modeling methods
Chemists (especially in medicinal chemistry, pharma/drug development, organic synthesis) and Drug researchers (including pharmacologists and toxicologists) in private industry, research centers and government labs. Secondary academic market with chemistry & pharmacology students.
Preface
- Preface to Second Edition
- Preface to First Edition
Chapter 1: Introduction
- Abstract
- 1.1 Drug-like Properties in Drug Discovery
- 1.2 Purpose of This Book
- Problems
Chapter 2: Benefits of Property Assessment and Good Drug-Like Properties
- Abstract
- 2.1 Introduction
- 2.2 Discovery Scientists Optimize Many Properties
- 2.3 Introduction to the Drug Discovery and Development Process
- 2.4 Benefits of Good Drug-like Properties
- 2.5 Property Profiling in Drug Discovery
- 2.6 Drug-like Property Optimization in Drug Discovery
- Problems
Chapter 3: In Vivo Environments Affect Drug Exposure
- Abstract
- 3.1 Introduction
- 3.2 Drug Dosing
- 3.3 Stomach
- 3.4 Intestinal Environment
- 3.5 Bloodstream
- 3.6 Liver
- 3.7 Kidney
- 3.8 Blood-Tissue Barriers
- 3.9 Tissue Distribution
- 3.10 Consequences of Chirality
- 3.11 Overview of in vivo Challenges to Drug Exposure
- Problems
Chapter 4: Prediction Rules for Rapid Property Profiling from Structure
- Abstract
- 4.1 Introduction
- 4.2 General Concepts for Prediction Rules
- 4.3 Rule of 5
- 4.4 Veber Rules
- 4.5 Waring Rules
- 4.6 Golden Triangle
- 4.7 Other Predictive Rules
- 4.8 Application of Rules for Compound Assessment
- 4.9 Applications of Predictive Rules
- Problems
Chapter 5: Lipophilicity
- Abstract
- 5.1 Lipophilicity Fundamentals
- 5.2 Lipophilicity Effects
- 5.3 Lipophilicity Case Studies and Structure Modification
- Problems
Chapter 6: pK a
- Abstract
- 6.1 pK a Fundamentals
- 6.2 pK a Effects
- 6.3 pK a Case Studies
- 6.4 Structure Modification Strategies for pK a
- Problems
Chapter 7: Solubility
- Abstract
- 7.1 Introduction
- 7.2 Solubility Fundamentals
- 7.3 Effects of Solubility
- 7.4 Effects of Physiology on Solubility and Absorption
- 7.5 Structure Modification Strategies to Improve Solubility
- 7.6 Strategies to Improve Dissolution Rate
- 7.7 Salt Form
- 7.8 Strategy for Solubility During Drug Discovery
- Problems
Chapter 8: Permeability
- Abstract
- 8.1 Introduction
- 8.2 Permeability Fundamentals
- 8.3 Permeability Effects
- 8.4 Permeability Structure Modification Strategies
- 8.5 Strategy for Permeability
- Problems
Chapter 9: Transporters
- Abstract
- 9.1 Introduction
- 9.2 Transporter Fundamentals
- 9.3 Transporter Effects
- 9.4 Efflux Transporters
- 9.5 Uptake Transporters
- Problems
Chapter 10: Blood-Brain Barrier
- Abstract
- 10.1 Introduction
- 10.2 Fundamentals of Brain Exposure
- 10.3 Effects of Brain Exposure on Efficacy and Drug Development
- 10.4 Structure-Passive Transcellular BBB Permeation Relationships
- 10.5 Structure Modification Strategies to Improve BBB Permeation
- 10.6 Applications of Brain Exposure
- Problems
Chapter 11: Metabolic Stability
- Abstract
- 11.1 Introduction
- 11.2 Metabolic Stability Fundamentals
- 11.3 Metabolic Stability Effects
- 11.4 Structure Modification Strategies for Phase I CYP Metabolic Stability
- 11.5 Structure Modification Strategies for Phase II Metabolic Stability
- 11.6 Applications of Metabolic Stability Data
- 11.7 Consequences of Chirality on Metabolic Stability
- 11.8 Substrate Specificity of CYP Isozymes
- 11.9 Aldehyde Oxidase
- Problems
Chapter 12: Plasma Stability
- Abstract
- 12.1 Introduction
- 12.2 Plasma Stability Fundamentals
- 12.3 Effects of Plasma Instability
- 12.4 Structure Modification Strategies to Improve Plasma Stability
- 12.5 Strategies for Plasma Stability
- Problems
Chapter 13: Solution Stability
- Abstract
- 13.1 Introduction
- 13.2 Solution Stability Fundamentals
- 13.3 Effects of Solution Instability
- 13.4 Solution Stability Case Studies
- 13.5 Structure Modification Strategies to Improve Solution Stability
- 13.6 Applications of Solution Stability in Drug Discovery
- Problems
Chapter 14: Plasma and Tissue Binding
- Abstract
- 14.1 Introduction
- 14.2 Drug Binding in Plasma
- 14.3 Drug Binding in Tissue
- 14.4 Free Drug Hypothesis
- 14.5 Pharmacokinetics Principles of Oral Drugs Relevant to Drug Binding
- 14.6 The Useful Application of f u
- 14.7 Misconceptions and Unproductive Strategies for PPB
- 14.8 Best Practices Regarding PPB and Tissue Binding
- Problems
Chapter 15: Cytochrome P450 Inhibition
- Abstract
- 15.1 Introduction
- 15.2 CYP Inhibition Fundamentals
- 15.3 Effects of CYP Inhibition
- 15.4 CYP Inhibition Case Studies
- 15.5 Structure Modification Strategies to Reduce CYP Inhibition
- 15.6 Other DDIs
- 15.7 Regulatory Guidance on DDI
- 15.8 Applications of CYP Inhibition
- Problems
Chapter 16: hERG Blocking
- Abstract
- 16.1 Introduction
- 16.2 hERG Fundamentals
- 16.3 hERG Blocking Effects
- 16.4 hERG Blocking SAR
- 16.5 Structure Modification Strategies for hERG
- 16.6 Applications of hERG Blocking Assessment
- Problems
Chapter 17: Toxicity
- Abstract
- 17.1 Introduction
- 17.2 Toxicity Fundamentals
- 17.3 Toxic Effect Categories
- 17.4 Examples of Toxicity Effects
- 17.5 In Vivo Toxicity
- 17.6 Case Studies of Toxicity in Drug Discovery
- 17.7 Rules for Off-Target Toxicity by Drug Discovery Compounds
- 17.8 Relationship of C max to in vivo Toxicity of Drug Discovery Compounds
- 17.9 Structure Modification Strategies to Improve Safety
- Problems
Chapter 18: Integrity and Purity
- Abstract
- 18.1 Introduction
- 18.2 Fundamentals of Integrity and Purity
- 18.3 Integrity and Purity Effects
- 18.4 Applications of Integrity and Purity
- Problems
Chapter 19: Pharmacokinetics
- Abstract
- 19.1 Introduction
- 19.2 PK Parameters
- 19.3 Tissue Concentration
- 19.4 Using PK Data in Drug Discovery
- 19.5 Relationship of PK to PD
- 19.6 Applications of PK
- Problems
Chapter 20: Lead Properties
- Abstract
- 20.1 Introduction
- 20.2 Lead-like Properties
- 20.3 Template Property Conservation
- 20.4 Including Properties in Hit Triage
- 20.5 Fragment-based Screening
- 20.6 Ligand Lipophilicity Efficiency
- 20.7 Conclusions
- Problems
Chapter 21: Strategies for Integrating Drug-Like Properties into Drug Discovery
- Abstract
- 21.1 Introduction
- 21.2 Start Assessing Drug Properties Early to Prioritize Compounds and Plan Structure Modifications
- 21.3 Assess Drug Properties for all New Compounds Rapidly
- 21.4 Develop Structure-Property Relationships
- 21.5 Optimize Activity and Properties in Parallel
- 21.6 Use Single-property Assays to Guide Specific Modifications
- 21.7 Use Complex Property Methods for Decision-making and Human Modeling
- 21.8 Apply Property Data to Improve Biological Experiments
- 21.9 Use Customized Assays to Answer Specific Research Questions
- 21.10 Diagnose the Root Cause of Inadequate Pharmacokinetics
- 21.11 Run in vitro Assays Using Human Materials to Predict Human Performance
- Problems
Chapter 22: Methods for Profiling Drug-Like Properties: General Concepts
- Abstract
- 22.1 Introduction
- 22.2 It is Valuable for Medicinal Chemists to Understand the ADMET Assays and Collaborate with ADMET Scientists
- 22.3 Choose an Ensemble of Key Properties to Evaluate
- 22.4 Use Relevant Assay Conditions
- 22.5 Property Data Should Be Readily Available
- 22.6 Evaluate the Cost-benefit Ratio for Assays
- 22.7 Use Well Developed Assays that Are Well Validated
- Problems
Chapter 23: Lipophilicity Methods
- Abstract
- 23.1 In Silico Lipophilicity Methods
- 23.2 Lipophilicity Methods
- 23.3 In-Depth Lipophilicity Methods
- Problems
Chapter 24: pK a Methods
- Abstract
- 24.1 Introduction
- 24.2 In Silico pK a Methods
- 24.3 Laboratory pK a Methods
- Problems
Chapter 25: Solubility Methods
- Abstract
- 25.1 Introduction
- 25.2 Solubility Calculation Estimation
- 25.3 Software for Solubility
- 25.4 Kinetic Solubility Methods
- 25.5 Thermodynamic Solubility Methods
- 25.6 Customized Solubility Methods
- 25.7 Dissolution Rate Measurement
- 25.8 DMSO Solubility
- 25.9 Commercial CRO Labs Offering Solubility Measurement
- 25.10 Strategy for Solubility Measurement
- Problems
Chapter 26: Permeability Methods
- Abstract
- 26.1 Introduction
- 26.2 Computational Prediction of Permeability
- 26.3 In Vitro Permeability Methods
- 26.4 In-Depth Permeability Methods
- 26.5 Applications of Permeability in Drug Discovery
- Problems
Chapter 27: Transporter Methods
- Abstract
- 27.1 Introduction
- 27.2 In Silico Transporter Methods
- 27.3 In Vitro Transporter Methods
- 27.4 In Vivo Methods for Transporters
- Problems
Chapter 28: Blood-Brain Barrier Methods
- Abstract
- 28.1 Introduction
- 28.2 Methods for BBB Permeability
- 28.3 Methods for Brain Binding and Distribution
- 28.4 Applications of BBB Permeation and Brain Distribution Methods
- Problems
Chapter 29: Metabolic Stability Methods
- Abstract
- 29.1 Introduction
- 29.2 Metabolic Stability Methods
- 29.3 In Silico Metabolic Stability Methods
- 29.4 In Vitro Metabolic Stability Methods
- Problems
Chapter 30: Plasma Stability Methods
- Abstract
- 30.1 Introduction
- 30.2 General Protocol for in vitro Plasma Stability
- 30.3 Low-throughput Method for in vitro Plasma Stability
- 30.4 High-throughput Method for in vitro Plasma Stability
- 30.5 Structure Elucidation of Plasma Degradation Products
- 30.6 Strategies for Plasma Stability Measurement
- Problems
Chapter 31: Solution Stability Methods
- Abstract
- 31.1 Introduction
- 31.2 Methodology for Solution Stability Measurement
- 31.3 Method for Solution Stability in Biological Assay Media
- 31.4 Example Methods from the Literature for pH Solution Stability
- 31.5 Methods for Solution Stability in Simulated GI Fluids
- 31.6 Identification of Degradation Products from Solution Stability Assays
- 31.7 In-depth Solution Stability Assessment in Late Stage Drug Discovery
- 31.8 Strategy for Solution Stability Assessment
- Problems
Chapter 32: CYP Inhibition Methods
- Abstract
- 32.1 Introduction
- 32.2 In Silico CYP Inhibition Methods
- 32.3 In Vitro Reversible CYP Inhibition Methods
- 32.4 In Vitro Irreversible (TDI) CYP Inhibition Methods
- 32.5 CYP Inhibition Method Applications
- Problems
Chapter 33: Plasma and Tissue Binding Methods
- Abstract
- 33.1 Introduction
- 33.2 In Silico Plasma Protein Binding Methods
- 33.3 In Vitro Binding Methods
- 33.4 Red Blood Cell Binding
- 33.5 Contract Research Laboratories for Protein Binding Assays
- Problems
Chapter 34: hERG Methods
- Abstract
- 34.1 Introduction
- 34.2 In Silico hERG Methods
- 34.3 In Vitro hERG Methods
- 34.4 Ex Vivo Methods for hERG Blocking
- 34.5 In Vivo Electrocardiography Telemetry for hERG Blocking
- 34.6 Applications of hERG Blocking Methods in Drug Discovery
- Problems
Chapter 35: Toxicity Methods
- Abstract
- 35.1 Introduction
- 35.2 In Silico Toxicity Methods
- 35.3 In Vitro Toxicity Methods
- 35.4 In Vivo Toxicity Methods
- Problems
Chapter 36: Integrity and Purity Methods
- Abstract
- 36.1 Introduction
- 36.2 Samples for Integrity and Purity Profiling
- 36.3 Requirements of Integrity and Purity Profiling Methods
- 36.4 Integrity and Purity Method Characteristics
- 36.5 Follow Up on Negative Identity Results
- 36.6 Example Generic High-Throughput Purity and Integrity Method
- 36.7 Purity and Integrity Case Studies
- Problems
Chapter 37: Pharmacokinetic Methods
- Abstract
- 37.1 Introduction
- 37.2 Dosing for PK Studies
- 37.3 PK Sampling and Sample Preparation
- 37.4 LC/MS/MS Analysis
- 37.5 Advanced PK Studies
- 37.6 Example Pharmacokinetic Data
- 37.7 Tissue Penetration
- 37.8 Unbound Drug Concentration in Plasma or Tissue
- 37.9 Contract Research Laboratories
- Problems
Chapter 38: Diagnosing and Improving Pharmacokinetic Performance
- Abstract
- 38.1 Introduction
- 38.2 Diagnosing Underlying Property Limitations from PK Performance
- 38.3 Case Studies on Diagnosing Unfavorable PK Behavior
- Problems
Chapter 39: Prodrugs
- Abstract
- 39.1 Introduction
- 39.2 Prodrug Design Differs with the ADME Process and Administration Route
- 39.3 Using Prodrugs to Improve Solubility
- 39.4 Prodrugs to Increase Passive Permeability
- 39.5 Transporter-Mediated Prodrugs to Enhance Intestinal Absorption
- 39.6 Prodrugs to Reduce Metabolism
- 39.7 Prodrugs to Target Specific Tissues
- 39.8 Soft Drugs
- Problems
Chapter 40: Effects of Properties on Biological Assays
- Abstract
- 40.1 Introduction
- 40.2 Effects of Insolubility in DMSO
- 40.3 Dealing with Insolubility in DMSO
- 40.4 Effects of Insolubility in Aqueous Buffers
- 40.5 Dealing with Insolubility in Aqueous Buffers
- Problems
Chapter 41: Formulation
- Abstract
- 41.1 Introduction
- 41.2 Routes of Administration
- 41.3 Potency Drives Delivery Opportunities
- 41.4 Formulation Strategies
- 41.5 Practical Guide for Formulation in Drug Discovery
- Problems
Appendix I: Answers to Chapter Problems
- Chapter 1—Introduction
- Chapter 2—Benefits of Property Assessment and Good Drug-like Properties
- Chapter 3—In Vivo Environments Affect Drug Exposure
- Chapter 4—Prediction Rules for Rapid Property Profiling From Structure
- Chapter 5—Lipophilicity
- Chapter 6—pK a
- Chapter 7—Solubility
- Chapter 8—Permeability
- Chapter 9—Transporters
- Chapter 10—Blood-Brain Barrier
- Chapter 11—Metabolic Stability
- Chapter 12—Plasma Stability
- Chapter 13—Solution Stability
- Chapter 14—Plasma Protein Binding
- Chapter 15—Cytochrome P450 Inhibition
- Chapter 16—hERG Blocking
- Chapter 17—Toxicity
- Chapter 18—Purity and Integrity
- Chapter 19—Pharmacokinetics
- Chapter 20—Lead Properties
- Chapter 21—Strategies for Integrating Drug-like Properties into Drug Discovery
- Chapter 22—Methods for Profiling Drug-like Properties: General Concepts
- Chapter 23—Lipophilicity Methods
- Chapter 24—pK a Methods
- Chapter 25—Solubility Methods
- Chapter 26—Permeability Methods
- Chapter 27—Transporter Methods
- Chapter 28—Blood-Brain Barrier Methods
- Chapter 29—Metabolic Stability Methods
- Chapter 30—Plasma Stability Methods
- Chapter 31—Solution Stability Methods
- Chapter 32—CYP Inhibition Methods
- Chapter 33—Plasma Tissue Binding Methods
- Chapter 34—hERG Methods
- Chapter 35—Toxicity Methods
- Chapter 36—Integrity and Purity Methods
- Chapter 37—Pharmacokinetic Methods
- Chapter 38—Diagnosing and Improving Pharmacokinetic Performance
- Chapter 39—Prodrugs
- Chapter 40—Effects of Properties on Biological Assays
- Chapter 41—FORMULATION
Appendix II: General Reference Books
Appendix III: Glossary
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No. of pages : 580
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Language : English
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Edition : 2
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Published : December 17, 2015
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Imprint : Academic Press
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Hardback ISBN : 9780128010761
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eBook ISBN : 9780128013229
LD
Li Di
Li Di is an Associate Research Fellow at Pfizer, USA
Affiliations and expertise
Pfizer, East Lyme, CT, USA
EK
Edward H Kerns
Affiliations and expertise
National Institutes of Health, Bethesda, MD, USA
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