| Contributors | p. xxi |
| Abbreviations | p. xxiii |
| General References | p. xxvii |
| Drug-Receptor Interactions | p. 1 |
| Introduction | p. 1 |
| Receptor Proteins | p. 2 |
| Mechanism of Drug Action: Agonism and Antagonism | p. 5 |
| Receptor Subtypes | p. 6 |
| Drug Selectivity | p. 9 |
| Quantification of Drug-Receptor Interactions | p. 10 |
| From Antagonists to Inverse Agonists | p. 21 |
| Final Considerations | p. 23 |
| Selected Reading | p. 23 |
| An Introduction to Ion Channels | p. 25 |
| Introduction | p. 25 |
| Structure, Function and Classification | p. 26 |
| Representative Examples | p. 29 |
| Conclusion | p. 40 |
| References | p. 40 |
| Intracellular Targets | p. 42 |
| Introduction | p. 42 |
| Antibacterial Inhibitors of Protein Synthesis | p. 42 |
| Bacterial Topoisomerase Inhibitors: Fluoroquinolones | p. 47 |
| Nuclear Receptors | p. 52 |
| Protein Kinases | p. 57 |
| References | p. 62 |
| Enzyme Inhibitors | p. 64 |
| Introduction | p. 64 |
| Enzyme Inhibitor Categories | p. 67 |
| Opportunities in Drug Design | p. 79 |
| Classes of Enzymes and Examples of Enzyme Inhibitors | p. 82 |
| Concluding Remarks | p. 89 |
| References | p. 90 |
| Biological Evaluation of Novel Compounds | p. 91 |
| Introduction | p. 91 |
| Primary Screens | p. 93 |
| Secondary Assays | p. 101 |
| Drug Metabolism and Pharmacokinetics (DMPK) | p. 111 |
| Pharmacodynamic Assays | p. 111 |
| Animal Models--Pre-clinical Proof of Concept | p. 113 |
| Acknowledgements | p. 116 |
| References | p. 116 |
| Pharmacokinetics | p. 118 |
| Introduction | p. 118 |
| The Process and Terminology of Drug Delivery | p. 119 |
| The Blood (or Plasma) Concentration-Time Curve | p. 120 |
| Bioavailability | p. 124 |
| Clearance | p. 125 |
| Volume of Distribution | p. 129 |
| Half-life | p. 133 |
| 'Advanced'. Pharmacokientics | p. 136 |
| Conclusions | p. 137 |
| References | p. 137 |
| Bibliography | p. 137 |
| Drug Metabolism | p. 138 |
| Introduction | p. 138 |
| Distribution of Drug Metabolism Enzymes | p. 138 |
| The Drug Metabolising Enzymes | p. 139 |
| Conclusions | p. 153 |
| References and Bibliography | p. 153 |
| Toxicology in the Drug Discovery Process | p. 155 |
| Introduction | p. 155 |
| Overview of Toxicity Assessment in Drug Discovery | p. 157 |
| In Silico Systems for Assessing Toxicity | p. 159 |
| Introduction to In Vitro Systems | p. 161 |
| In Vivo Toxicology in Candidate Selection | p. 173 |
| The Use of New Technologies in Safety Assessment | p. 176 |
| Summary | p. 179 |
| References | p. 179 |
| Chemical Development | p. 182 |
| Introduction | p. 182 |
| Illustrative Examples | p. 190 |
| Future Trends | p. 192 |
| Acknowledgement | p. 193 |
| References | p. 193 |
| Physicochemical Properties | p. 195 |
| Introduction | p. 195 |
| Solubility | p. 196 |
| Lipophilicity | p. 200 |
| Hydrogen Bonding | p. 203 |
| Molecular Size | p. 204 |
| Ionisation Constants | p. 205 |
| Electronic Properties | p. 207 |
| Estimation of Other Molecular Properties | p. 208 |
| Relationships to Drug Disposition | p. 210 |
| References | p. 213 |
| Quantitative Structure-Activity Relationships | p. 215 |
| Introduction | p. 215 |
| Background to QSAR | p. 217 |
| Compound Selection | p. 220 |
| Describing Chemical Structure | p. 223 |
| Building QSAR Models | p. 225 |
| Artificial Intelligence | p. 238 |
| Summary | p. 240 |
| References | p. 241 |
| Computational Chemistry and Target Structure | p. 243 |
| Introduction - The Basic Toolkit | p. 243 |
| Structural Information for Computational Chemistry | p. 246 |
| The Use of Structure in Drug Design | p. 248 |
| Related (Homologous) Structures | p. 250 |
| The Absence of Target Structural Information | p. 253 |
| When the Target Structure Is Almost Irrelevant | p. 254 |
| Conclusion | p. 257 |
| References | p. 257 |
| Patent Medicine | p. 260 |
| Introduction | p. 260 |
| What Are Patents? | p. 262 |
| What Is Patentable? | p. 265 |
| 'Patentese' | p. 269 |
| Applying for Patents | p. 271 |
| Prosecution and Litigation | p. 276 |
| Trips and US Practice | p. 278 |
| The Biotech Revolution | p. 280 |
| Advance Module | p. 283 |
| Sites for Sore Eyes | p. 285 |
| Conclusion | p. 286 |
| References and Notes | p. 287 |
| An Introduction to Molecular Biology | p. 291 |
| Introduction | p. 291 |
| Nucleic Acids | p. 291 |
| Proteins | p. 293 |
| The Flow of Genetic Information | p. 294 |
| DNA Replication | p. 294 |
| Transcription | p. 296 |
| RNA Processing | p. 297 |
| Protein Synthesis | p. 297 |
| The Genetic Code | p. 300 |
| Post Translational Modification | p. 302 |
| The Control of Transcription and Translation | p. 302 |
| Genomics | p. 302 |
| Nucleic Acid Analysis and Recombinant DNA Technology | p. 304 |
| Bioinformatics and the Internet | p. 322 |
| Human Genome Mapping Project | p. 324 |
| References | p. 325 |
| Strategy and Tactics in Drug Discovery | p. 327 |
| Introduction | p. 327 |
| Target Identification and Validation | p. 328 |
| Lead Identification | p. 330 |
| Lead Optimisation | p. 332 |
| Development Candidate | p. 334 |
| Back-up/Follow-up | p. 335 |
| Optimising the Chances for Success | p. 335 |
| Decision Making in Medicinal Chemistry | p. 338 |
| Patents | p. 357 |
| Conclusion | p. 358 |
| References | p. 358 |
| Combinatorial Chemistry: Tools for the Medicinal Chemist | p. 359 |
| Introduction | p. 359 |
| Concepts in Combinatorial Chemistry | p. 360 |
| Impact of CC on the Drug Discovery Process | p. 363 |
| Solid-phase Synthesis ed. 'Drug-like' Molecules | p. 364 |
| Solution-phase Library Synthesis | p. 368 |
| Solid Phase Versus Solution Phase | p. 372 |
| Laboratory Automation and Equipment | p. 373 |
| Biological Activity from Compound Libraries | p. 377 |
| Conclusions | p. 379 |
| References | p. 381 |
| The Identification of Selective 5-HT[subscript 2C] Receptor Antagonists: A New Approach to the Treatment of Depression and Anxiety | p. 382 |
| Introduction to Depression | p. 382 |
| Rationale for 5-HT[subscript 2C] Antagonists in Depression | p. 383 |
| Initial Lead: Identification of SB-200646 | p. 383 |
| Conformational Restriction: Identification of SB-206553 | p. 384 |
| Molecular and Receptor Modelling Studies | p. 385 |
| Bioisosteric Replacement of the N-Methylindole | p. 387 |
| Identification of Biarylcarbamoylindolines | p. 391 |
| Bispyridyl Ethers: Identification of SB-243213 | p. 393 |
| Synthesis of SB-243213 | p. 394 |
| Summary | p. 395 |
| References | p. 395 |
| The Identification of the HIV Protease Inhibitor Saquinavir | p. 397 |
| Introduction | p. 397 |
| Primary Assay | p. 399 |
| Inhibitor Design | p. 399 |
| Synthesis of Saquinavir | p. 405 |
| Clinical Data | p. 405 |
| Conclusion | p. 406 |
| References | p. 406 |
| Discovery of Vioxx (Rofecoxib) | p. 407 |
| Introduction | p. 407 |
| Lead Molecules | p. 409 |
| Identification of Rofecoxib (MK-966) | p. 410 |
| In Vivo Activity of Rofecoxib | p. 412 |
| Clinical Results | p. 413 |
| Conclusion | p. 414 |
| References | p. 414 |
| NK1 Receptor Antagonists | p. 415 |
| Introduction | p. 415 |
| Medicinal Chemistry Programme | p. 416 |
| Profile of MK-869 Clinical Candidate | p. 423 |
| Clinical Results | p. 424 |
| References | p. 427 |
| Appendices | |
| Ranking of Key Ethical Drug Products in 2000 (US$ Sales Value) | p. 428 |
| Summary of Receptor Properties | p. 430 |
| Plot of Molar Concentration vs. g ml[superscript -1] for Different Molecular Weights | p. 440 |
| Table of Molar Concentration vs. g ml[superscript -1] for Different Molecular Weights | p. 441 |
| Conversion Table for IC[subscript 50] (K[subscript i]) to pIC[subscript 50] (pK[subscript i]) | p. 441 |
| Subject Index | p. 442 |
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