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Neglected Tropical Diseases

Drug Discovery and Development
Methods & Principles in Medicinal Chemistry 1. Aufl.

von: David C. Swinney, Michael P. Pollastri, Raimund Mannhold, Helmut Buschmann, Jörg Holenz
144,99 €
Verlag:	Wiley-VCH
Format:	PDF
Veröffentl.:	13.07.2019
ISBN/EAN:	9783527808625
Sprache:	englisch
Anzahl Seiten:	392

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Titelbeschreibung

A drug discovery reference to the crippling tropical diseases that affect more than 1 billion people. Neglected Tropical Diseases is the first book of its kind to offer a guide that follows the World Health Organization?s list of neglected tropical diseases. The authors?all are experts on the topic?address the development of effective treatments for 12 crippling infectious diseases that affect almost 20% of the world?s popluation. The book includes information on the common approaches and the most important factors that lead to the development of new drugs for treating tropical diseases. Individual chapters review 12 neglected tropical diseases that are grouped by infectious agent, from viruses to bacteria to eukaryotic parasites. For each of these diseases, the book explains the unmet medical need and explores the current and potential drug discovery strategies. The book also includes information on potential drug compounds derived from natural products. This important book: -Ties together information from different sources for developing novel treatsments forneglected tropical diseases -Is aligned with WHO?s initiative to eradicate tropical diseases -Outlines current and potential drugs for treating tropical diseases -Provides a standard reference for the entire field Written for medicinal chemists, pharmaceutical chemists, pharmaceutical industry, virologists, parasitologists, and specialists on tropics medicine, Neglected Tropical Diseases offers an essential guide and a systematic reference for the development of successful treatments for 12 crippling infectious diseases.

Inhaltsverzeichnis

A Personal Foreword xiii Preface xvii 1 Drug Discovery Strategies for Neglected Tropical Diseases: Repurposing Knowledge, Mechanisms and Therapeutics to Increase Discovery Efficiency 1 David C. Swinney and Michael P. Pollastri 1.1 Introduction 1 1.2 First-line Therapies for NTDs and Mechanisms of Action 1 1.3 Drug Discovery Efficiency 3 1.3.1 Drug Discovery Process 3 1.3.2 Drug Discovery Strategies 5 1.3.3 PDD versus TDD for NTDs 6 1.4 Critical Components for Successful Drug Discovery 7 1.4.1 Finding a Starting Point 7 1.4.2 Assays Robustness and Hit Selection Criteria 7 1.4.3 Optimization Processes 8 1.5 Repurposing Knowledge Mechanisms and Therapeutics 9 1.6 Summary 10 References 10 Part I Virus 15 2 Toward Antiviral Therapies for the Treatment of Zika Virus Infection: Lessons Learned from Dengue Virus 17 Sarah K. Stevens, Paul C. Jordan, Andreas Jekle, and Jerome Deval 2.1 Zika Virus: History and Epidemiology 17 2.2 Detection, Clinical Presentation, and Medical Need 20 2.3 ZIKV Replication Cycle 21 2.4 Lessons Learned from Dengue Antiviral Research 23 2.4.1 Host Targeting Agents 24 2.4.2 Direct Antiviral Agents 24 2.5 In Vitro Tools for Anti-ZIKV Drug Discovery 25 2.5.1 Cell-Based Assays 25 2.5.2 Biochemical Assays and Tools for Structure-Based Drug Design 26 2.5.2.1 The NS5 MTase and Polymerase 26 2.5.2.2 The NS2B–NS3 Protease 27 2.5.2.3 The NS3 Helicase 27 2.6 Animal Models for Evaluating In Vivo Efficacy 28 2.7 ZIKV NS5 RdRp and MTase Inhibitors 30 2.7.1 Ribavirin and T-705 (Favipiravir) 30 2.7.2 2′-C-Methylated Nucleosides 32 2.7.3 NITD008 33 2.7.4 BCX4430 33 2.7.5 MTase Inhibitors 33 2.8 NS3 Protease and Helicase Inhibitors 34 2.9 Other Classes of Small Molecules against ZIKV 36 2.10 Conclusions and Future Directions on ZIKV Inhibition 37 References 37 3 Developing Therapeutics for Ebola Virus Disease: A Multifaceted Approach 49 Michael K. Lo, Jessica R. Spengler, Bobbie Rae Erickson, and Christina F. Spiropoulou 3.1 Overview of Ebola Virus Disease (EVD) 49 3.2 Ebola Virus Diagnostics: Challenges and Innovations 50 3.3 Ebola Virus Genome Structure, Components, and Replication Cycle 52 3.4 In vitro Toolbox: Cell-Based Assays 54 3.5 In Vivo Toolbox: Animal Models for Efficacy Testing 54 3.6 Therapeutic Strategies 57 3.6.1 Host-Directed Antivirals 57 3.6.1.1 S-Adenosyl-Homocysteine Hydrolase Inhibitors 57 3.6.1.2 Kinases and Phosphatases 60 3.6.1.3 Protein Folding and Processing 60 3.6.1.4 Non-Proteolytic Endosomal Targets 63 3.6.1.5 Priming Host Immune Responses 65 3.6.1.6 Other Host Targets 67 3.6.2 Direct-Acting Antivirals 67 3.6.2.1 Antibody-Based Therapeutics 67 3.6.2.2 Inhibitors of Viral Protein Interactions 69 3.6.2.3 Nucleic Acid Inhibitors 70 3.6.2.4 Nucleoside Analogs/Polymerase Inhibitors 71 3.7 Conclusions 74 Acknowledgments 74 References 74 Part II Kinetoplastids 93 4 Designing Drugs to Target Trypanosoma cruzi, the Etiological Agent of Chagas Disease: When Chemistry needs Biology 95 Martine Keenan and Eric Chatelain 4.1 Introduction 95 4.2 Chagas Disease Overview 95 4.3 Toward Sterile Cure in a Chagas Disease Mouse Model: Which Way Forward? 96 4.3.1 Feeding the Chagas Disease Pipeline: Compound Selection and Identification of Potential Hits/Starting Points 98 4.3.2 Choosing the “Right” Starting Points 98 4.3.3 Using In Vitro Assays to Guide Structural Optimization 101 4.3.4 Getting Compounds to the Site of Action 103 4.3.5 Mechanism of Action: Is There a Need for Target Deconvolution before Starting a Lead Optimization Program? 106 4.4 Conclusion 107 Acknowledgments 108 References 109 5 Drug Discovery and Development for Human African Trypanosomiasis 115 Andrew Spaulding, Mitchell F. Gallerstein, and Lori Ferrins 5.1 Overview of Disease 115 5.2 Etiology and Epidemiology 115 5.3 Current Treatments 119 5.3.1 Stage 1 Treatments 119 5.3.2 Stage 2 Treatments 122 5.4 Diagnostics 123 5.5 Medicinal Chemistry 125 5.6 Future Drug Candidates 129 5.7 Conclusion 132 References 132 6 Discovery of Drugs for Leishmaniases: A Progress Report 139 Baljinder Singh, Frederick S. Buckner, and Michael P. Pollastri 6.1 Visceral Leishmaniasis (VL) 139 6.1.1 Current Treatment Regimens for VL 140 6.2 Cutaneous Leishmaniasis (CL) 141 6.2.1 Current Treatment Regimens for CL 142 6.3 Mucosal Leishmaniasis (ML) 143 6.3.1 Current Treatment Regimens for ML 143 6.4 Medicinal Chemistry 144 6.4.1 Phenotypic Screening Approach Versus Target-Based Approach 144 6.4.2 Phenotypic Screening Approaches 144 6.4.3 Target-Based Approaches 150 6.4.4 In Silico Computational Approaches 152 6.5 Conclusion 153 References 154 Part III Helminths 161 7 Onchocerciasis Drug Discovery 163 Natalie A. Hawryluk and Ivan Scandale 7.1 Introduction 163 7.1.1 The Vector 163 7.1.2 Life Cycle of O. volvulus 164 7.2 Epidemiology 165 7.3 Clinical Manifestation 166 7.3.1 Skin Lesions 166 7.3.2 Nodules 166 7.3.3 Eye Lesions 166 7.3.4 Nodding Syndrome 167 7.4 Diagnostics 168 7.4.1 Clinical Diagnosis 168 7.4.2 Ultrasonography 168 7.4.3 Mazzotti Test 168 7.4.4 Parasitological Diagnosis 168 7.4.5 Immunological Tests and PCR 169 7.5 Current Therapies and Approaches 169 7.5.1 Direct-Acting Approach 169 7.5.1.1 Diethylcarbamazine 170 7.5.1.2 Ivermectin 170 7.5.1.3 Albendazole 171 7.5.1.4 Suramin 171 7.5.2 Antibacterial Approach 171 7.5.2.1 Tetracycline Derivatives 171 7.5.3 Nodulectomy 172 7.6 Discovery Models 172 7.6.1 Primary In Vitro Assays 172 7.6.2 In Vivo Efficacy Models 173 7.7 Medicinal Chemistry Approaches 173 7.7.1 Benzimidazoles 173 7.7.1.1 Flubendazole (FLBZ) 173 7.7.1.2 UMF-078 174 7.7.1.3 Boron-Derived Benzimidazoles 175 7.7.2 Macrocyclic Lactones 175 7.7.2.1 Milbemycins 175 7.7.2.2 Cyclooctadepsipeptides 176 7.7.2.3 Tylosins 177 7.7.3 Natural Products 178 7.7.3.1 Corallopyronin A 178 7.7.4 Small Molecules 180 7.7.4.1 Pyrazolopyridine 180 7.8 Conclusion 180 References 180 8 Drug Discovery and Development for Schistosomiasis 187 Conor R. Caffrey, Nelly El-Sakkary, Patrick Mäder, Reimar Krieg, Katja Becker, Martin Schlitzer, David H. Drewry, Jonathan L. Vennerstrom, and Christoph G. Grevelding 8.1 Schistosomiasis: The Disease and the One Drug We Have for Treatment, Praziquantel 187 8.2 Drug Discovery for Schistosomiasis: Strategies, Tools, Targets, and a Note on the Target Product Profile 189 8.3 Drug Repurposing 190 8.4 Structure-Based Drug Design 195 8.5 Phenotypic Approaches 196 8.6 Organometallics 199 8.7 Natural Products 200 8.8 Perspective on Schistosome Kinases as Potential Drug Targets 202 8.9 Case Study 1: Biarylalkyl Carboxylic Acids (BACAs) as Antischistosomals 206 8.10 Case Study 2: Arylmethylamino Steroids (AASs) as Antischistosomals 212 8.11 Brief Summary of the Drug Development Pipeline 213 Acknowledgments 215 References 215 9 Soil-transmitted Helminthiasis – Challenges with Discovery of Novel Anthelmintics 227 Graham M. Kyne,Michael P. Curtis, Jennifer Keiser, and Debra J.Woods 9.1 Current Therapies and Unmet Needs for Soil-transmitted Helminthiases (STHs) 227 9.2 Anthelmintic Research and Development in Animal Health: Value Drivers 229 9.3 Anthelmintic Discovery: State of the Art (2005–2017) 232 9.3.1 New Molecules from the Patent Literature 232 9.3.2 Medicinal Chemistry Approaches to New Molecules 235 9.3.2.1 Intervet Multicyclics 235 9.3.2.2 Vesicular Acetylcholine Transporter (VAChT) Inhibitors 238 9.3.2.3 Cyclooctadepsipeptides 242 9.4 Discussion 245 Acknowledgment 245 References 245 10 Drug Discovery and Development for the Treatment of Echinococcosis, Caused by the Tapeworms Echinococcus granulosus and Echinococcus multilocularis 253 Andrew Hemphill, Reto Rufener, Dominic Ritler, Luca Dick, and Britta Lundström-Stadelmann 10.1 Echinococcus and Echinococcosis 253 10.2 The Biological Features of E. granulosus and E. multilocularis: Similar, but Different 254 10.3 Clinical Hallmarks, Diagnosis, and Prevention and Control of CE and AE 255 10.4 Currently Applied Benzimidazole Treatments for CE and AE 257 10.5 In vitro and in vivo Models to Study Drug Efficacy and Drug Targets in Echinococcus 261 10.6 Drug Repurposing as the Only Strategy for Discovering Novel Compounds to Treat Echinococcosis 264 10.6.1 Drug Repurposing for the Discovery of Novel Compounds to Treat AE 265 10.6.1.1 Anti-Infective Agents 265 10.6.1.2 Anticancer Drugs 269 10.6.2 Drug Repurposing for the Discovery of Novel Compounds to Treat CE 272 10.7 Where to Go from Here? 274 Acknowledgments 276 References 276 11 New Insights into the Treatment of Foodborne Trematode Infections 289 Rafael Toledo, Alba Cortés, Maria Álvarez-Izquierdo, CarlaMuñoz-Antoli, and J. Guillermo Esteban 11.1 Introduction 289 11.2 Morphology and Biology of Foodborne Trematodes 290 11.3 Epidemiology and Global Impact 292 11.4 Major Foodborne Trematodes 293 11.4.1 Liver Foodborne Trematode Infections 293 11.4.1.1 Clonorchiasis and Opisthorchiasis 293 11.4.1.2 Fascioliasis 294 11.4.2 Lung Foodborne Trematode Infections (Paragonimiasis) 294 11.4.3 Intestinal Foodborne Trematode Infections 295 11.4.3.1 Diplostomiasis 295 11.4.3.2 Echinostomiasis 295 11.4.3.3 Fasciolopsiasis 296 11.4.3.4 Gymnophalloidiasis 296 11.4.3.5 Heterophyasis 296 11.5 Current Drugs Used Against Foodborne Intestinal Trematodes 296 11.5.1 Praziquantel 296 11.5.2 Triclabendazole 299 11.5.3 Tribendimidine 301 11.5.4 Other Drugs 303 11.6 Natural Products and Drug Discovery against Foodborne Trematodes 304 Acknowledgments 312 References 312 Part IV Bacteria 325 12 Buruli Ulcer 327 Nicole Scherr and Gerd Pluschke 12.1 Etiology and Epidemiology 327 12.2 Current Treatments 328 12.3 Unmet Needs 329 12.4 Diagnostics 329 12.5 Discovery Models 330 12.5.1 In Vitro Test Formats 330 12.5.2 In Vivo Testing 331 12.6 Testing of Compounds for Activity Against M. ulcerans 332 12.6.1 Preclinical Profiling of Currently Recommended Antibiotic Treatment Regimens for BU 332 12.6.2 Repurposing of Tuberculosis Drug Candidates 332 12.6.3 Compound Screening 336 12.7 Clinical Studies 336 12.8 Future Directions and Opportunities 338 References 339 13 Drug Discovery and Development for Leprosy 349 Carlos Franco-Paredes 13.1 Unmet Medical Needs in the Treatment of Leprosy 349 13.2 Current Therapies for Leprosy 350 13.2.1 Direct-Acting Antibacterial Therapy 350 13.3 Innovative Therapeutic Strategies 355 13.3.1 Host-Directed Therapy 355 13.4 Conclusions 358 References 358 Index 363

Autorenportrait

David Swinney, PhD, is the chief executive officer of the Institute for Rare and Neglected Diseases Drug Discovery (iRND3). Dr. Swinney has devoted the majority of his career to analyzing and implementing drug discovery strategies that will increase the chance of success. Michael Pollastri holds the chair of chemistry and chemical biology at Northeastern University in Boston. He came to NEU from Pfizer, where he worked for 10 years as a research chemist. His research focus is discovery of new therapeutics for neglected tropical diseases.