Drug Discovery Toxicology :From Target Assessment to Translational Biomarkers

Publication subTitle :From Target Assessment to Translational Biomarkers

Author: Yvonne Will  

Publisher: John Wiley & Sons Inc‎

Publication year: 2016

E-ISBN: 9781119053323

P-ISBN(Paperback): 9781119053330

P-ISBN(Hardback):  9781119053330

Subject: R99 Toxicology (Toxicology)

Keyword: Drug discovery toxicology, predictive toxicology, drug safety, predictive methods, biomarkers, ADME, lead optimization, omics, pharmacokinetics

Language: ENG

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Description

As a guide for pharmaceutical professionals to the issues and practices of drug discovery toxicology, this book integrates and reviews the strategy and application of tools and methods at each step of the drug discovery process.

• Guides researchers as to what drug safety experiments are both practical and useful
• Covers a variety of key topics – safety lead optimization, in vitro-in vivo translation, organ toxicology, ADME, animal models, biomarkers, and –omics tools
• Describes what experiments are possible and useful and offers a view into the future, indicating key areas to watch for new predictive methods
• Features contributions from firsthand industry experience, giving readers insight into the strategy and execution of predictive toxicology practices

Chapter

CHAPTER 1 EMERGING TECHNOLOGIES AND THEIR ROLE IN REGULATORY REVIEW

1.1 INTRODUCTION

1.2 SAFETY ASSESSMENT IN DRUG DEVELOPMENT AND REVIEW

1.2.1 DRUG DISCOVERY

1.2.2 PRECLINICAL DEVELOPMENT

1.3 THE ROLE OF NEW TECHNOLOGIES IN REGULATORY SAFETY ASSESSMENT

1.3.1 IN SILICO MODELS FOR TOXICITY PREDICTION

1.3.2 CELL-BASED ASSAYS FOR TOXICITY PREDICTION

1.4 CONCLUSIONS

REFERENCES

PART II SAFETY LEAD OPTIMIZATION STRATEGIES

CHAPTER 2 SMALL-MOLECULE SAFETY LEAD OPTIMIZATION

2.1 BACKGROUND AND OBJECTIVES OF SAFETY LEAD OPTIMIZATION APPROACHES

2.2 TARGET SAFETY ASSESSMENTS: EVALUATION OF UNDESIRED PHARMACOLOGY AND THERAPEUTIC AREA CONSIDERATIONS

2.3 IMPLEMENTING LEAD OPTIMIZATION STRATEGIES FOR SMALL MOLECULES

2.3.1 STRATEGIC APPROACH

2.3.2 APPLICATION OF PROSPECTIVE MODELS

2.3.3 APPLICATION OF RETROSPECTIVE MODELS

2.4 CONCLUSIONS

REFERENCES

CHAPTER 3 SAFETY ASSESSMENT STRATEGIES AND PREDICTIVE SAFETY OF BIOPHARMACEUTICALS AND ANTIBODY DRUG CONJUGATES

3.1 BACKGROUND AND OBJECTIVES

3.2 TARGET SAFETY ASSESSMENTS: STRATEGIES TO UNDERSTAND TARGET BIOLOGY AND ASSOCIATED LIABILITIES

3.2.1 TARGET SAFETY ASSESSMENT FOR BIOPHARMACEUTICALS TARGETING THE IMMUNE SYSTEM

3.3 STRATEGIC APPROACHES FOR BIOPHARMACEUTICALS AND ADCS

3.3.1 MODALITY-ASSOCIATED RISKS

3.3.2 MABS

3.3.3 ADCS

3.3.4 ON-TARGET TOXICITY

3.3.5 OFF-TARGET TOXICITY

3.3.6 EVALUATION OF NOVEL WARHEADS

3.3.7 EVALUATION OF NEW ADC TECHNOLOGIES

3.4 PREDICTIVE SAFETY TOOLS FOR LARGE MOLECULES

3.4.1 IMMUNOGENICITY

3.4.2 SPECIALIZED ASSAYS FOR DETECTION OF ADCC, CDC, AND ADCP

3.4.3 IMMUNOTOXICITY TESTING

3.4.4 PREDICTING AND ASSESSING UNINTENDED ADVERSE CONSEQUENCES

3.5 STRATEGIES FOR SPECIES SELECTION

3.6 STRATEGY FOR DOSE-RANGING STUDIES FOR SAFETY EVALUATION OF BIOPHARMACEUTICALS

3.7 CONCLUSIONS

REFERENCES

CHAPTER 4 DISCOVERY AND DEVELOPMENT STRATEGIES FOR SMALL INTERFERING RNAS

4.1 BACKGROUND

4.1.1 RNAI MOLECULAR MECHANISM

4.1.2 CONJUGATE SIRNAS FOR HEPATIC TARGETS

4.2 TARGET ASSESSMENTS

4.2.1 LARGE GENE FAMILIES

4.2.2 SHORT TRANSCRIPTS

4.2.3 GENES WITH RAPID MRNA TURNOVER

4.2.4 SELECTING AMONG ALTERNATE TRANSCRIPT VARIANTS

4.3 SIRNA DESIGN AND SCREENING STRATEGIES

4.3.1 SIRNA DESIGN

4.3.2 CHEMICAL MODIFICATION OF SIRNA

4.3.3 SCREENING OF SIRNA THERAPEUTICS

4.4 SAFETY LEAD OPTIMIZATION OF SIRNA

4.4.1 IMMUNOSTIMULATION SCREENING

4.4.2 TOXICOLOGY SCREENING IN RODENTS

4.4.3 POINTS TO CONSIDER FOR CHEMICALLY MODIFIED NUCLEOTIDES

4.5 INTEGRATION OF LEAD OPTIMIZATION DATA FOR CANDIDATE SELECTION AND DEVELOPMENT

4.6 CONCLUSIONS

REFERENCES

PART III BASIS FOR IN VITRO–IN VIVO PK TRANSLATION

CHAPTER 5 PHYSICOCHEMISTRY AND THE OFF-TARGET EFFECTS OF DRUG MOLECULES

5.1 LIPOHILICITY, POLAR SURFACE AREA, AND LIPOIDAL PERMEABILITY

5.2 PHYSICOCHEMISTRY AND BASIC ADME PROPERTIES FOR HIGH LIPOIDAL PERMEABILITY DRUGS

5.3 RELATIONSHIP BETWEEN VOLUME OF DISTRIBUTION (VD) AND TARGET ACCESS FOR PASSIVELY DISTRIBUTED DRUGS

5.4 BASICITY, LIPOPHILICITY, AND VOLUME OF DISTRIBUTION AS A PREDICTOR OF TOXICITY (T): ADDING THE T TO ADMET

5.5 BASICITY AND LIPOPHILICITY AS A PREDICTOR OF TOXICITY (T): SEPARATING THE D FROM T IN ADMET

5.6 LIPOPHILICITY AND PSA AS A PREDICTOR OF TOXICITY (T): ADDING THE T TO ADMET

5.7 METABOLISM AND PHYSICOCHEMICAL PROPERTIES

5.8 CONCENTRATION OF COMPOUNDS BY TRANSPORTERS

5.9 INHIBITION OF EXCRETION PUMPS

5.10 CONCLUSIONS

REFERENCES

CHAPTER 6 THE NEED FOR HUMAN EXPOSURE PROJECTION IN THE INTERPRETATION OF PRECLINICAL IN VITRO AND IN VIVO ADME TOX DATA

6.1 INTRODUCTION

6.2 METHODOLOGY USED FOR HUMAN PK PROJECTION IN DRUG DISCOVERY

6.2.1 PREDICTION OF PLASMA CONCENTRATION–TIME PROFILE BY USING THE WAJIMA ALLOMETRIC METHOD

6.2.2 PREDICTION OF PLASMA AND TISSUE CONCENTRATION–TIME PROFILES BY USING THE PBPK MODELING APPROACH

6.2.3 INTEGRATIVE APPROACHES OF TOXICITY PREDICTION BASED ON THE EXTENT OF TARGET TISSUE DISTRIBUTION

6.3 SUMMARY OF THE TAKE-HOME MESSAGES FROM THE PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA CPCDC INITIATIVE ON PREDICTIVE MODELS OF HUMAN PK FROM 2011

6.3.1 PHRMA INITIATIVE ON THE PREDICTION OF CL

6.3.2 PHRMA INITIATIVE ON THE PREDICTION OF VOLUME OF DISTRIBUTION

6.3.3 PHRMA INITIATIVE ON THE PREDICTION OF CONCENTRATION–TIME PROFILE

6.3.4 LEAD COMMENTARIES ON THE PHRMA INITIATIVE

REFERENCES

CHAPTER 7 ADME PROPERTIES LEADING TO TOXICITY

7.1 INTRODUCTION

7.2 THE SCIENCE OF ADME

7.3 THE ADME OPTIMIZATION STRATEGY

7.4 CONCLUSIONS AND FUTURE DIRECTIONS

REFERENCES

PART IV PREDICTING ORGAN TOXICITY

CHAPTER 8 LIVER

8.1 INTRODUCTION

8.2 DILI MECHANISMS AND SUSCEPTIBILITY

8.3 COMMON MECHANISMS THAT CONTRIBUTE TO DILI

8.3.1 MITOCHONDRIAL INJURY

8.3.2 REACTIVE METABOLITE-MEDIATED TOXICITY

8.3.3 BSEP INHIBITION

8.3.4 COMPLICITY BETWEEN DUAL INHIBITORS OF BSEP AND MITOCHONDRIAL FUNCTION

8.4 MODELS SYSTEMS USED TO STUDY DILI

8.4.1 HIGH CONTENT IMAGE ANALYSIS

8.4.2 COMPLEX CELL MODELS

8.4.3 ZEBRAFISH

8.5 IN SILICO MODELS

8.6 SYSTEMS PHARMACOLOGY AND DILI

8.7 SUMMARY

REFERENCES

CHAPTER 9 CARDIAC

9.1 GENERAL INTRODUCTION

9.2 CLASSICAL IN VITRO/EX VIVO ASSESSMENT OF CARDIAC ELECTROPHYSIOLOGIC EFFECTS

9.2.1 INTRODUCTION

9.2.2 SUBCELLULAR TECHNIQUES

9.2.3 IONIC CURRENTS

9.2.4 AP/REPOLARIZATION ASSAYS

9.2.5 PROARRHYTHMIA ASSAYS

9.2.6 FUTURE DIRECTIONS: STEM CELL-DERIVED CMS

9.2.7 CONCLUSIONS

9.3 CARDIAC ION CHANNELS AND IN SILICO PREDICTION

9.3.1 INTRODUCTION

9.3.2 HIGH-THROUGHPUT CARDIAC ION CHANNEL DATA

9.3.3 IN SILICO APPROACHES

9.4 FROM ANIMAL EX VIVO/IN VITRO MODELS TO HUMAN STEM CELL-DERIVED CMS FOR CARDIAC SAFETY TESTING

9.4.1 INTRODUCTION

9.4.2 CURRENTLY AVAILABLE TECHNOLOGIES

9.4.3 CONCLUSIONS

9.5 IN VIVO TELEMETRY CAPABILITIES AND PRECLINICAL DRUG DEVELOPMENT

9.5.1 INTRODUCTION

9.5.2 CV SP EVALUATIONS USING TELEMETRY

9.5.3 EVALUATION OF RESPIRATORY FUNCTION USING TELEMETRY

9.5.4 EVALUATION OF CNS USING TELEMETRY

9.5.5 EVALUATION OF OTHER SYSTEMS USING TELEMETRY

9.6 ASSESSMENT OF MYOCARDIAL CONTRACTILITY IN PRECLINICAL MODELS

9.6.1 INTRODUCTION

9.6.2 GOLD STANDARD APPROACHES

9.6.3 IN VITRO AND EX VIVO ASSAYS

9.6.4 IN VIVO ASSAYS

9.6.5 TRANSLATION TO CLINIC

9.7 ASSESSMENT OF LARGE VERSUS SMALL MOLECULES IN CV SP

9.7.1 INTRODUCTION

9.7.2 CV SP EVALUATION

9.8 PATIENTS DO NOT NECESSARILY RESPOND TO DRUGS AND DEVICES AS DO GENETICALLY IDENTICAL, YOUNG MATURE, HEALTHY MICE!

9.8.1 CONCLUSIONS

REFERENCES

CHAPTER 10 PREDICTIVE IN VITRO MODELS FOR ASSESSMENT OF NEPHROTOXICITY AND DRUG–DRUG INTERACTIONS IN VITRO

10.1 INTRODUCTION

10.1.1 CONSIDERATIONS FOR STUDYING THE KIDNEYS AS A TARGET ORGAN FOR DRUGS AND TOXIC CHEMICALS

10.1.2 ADVANTAGES AND LIMITATIONS OF IN VITRO MODELS IN GENERAL FOR MECHANISTIC TOXICOLOGY AND SCREENING OF POTENTIAL ADVERSE EFFECTS

10.1.3 TYPES OF IN VITRO MODELS AVAILABLE FOR STUDYING HUMAN KIDNEYS

10.2 BIOLOGICAL PROCESSES AND TOXIC RESPONSES OF THE KIDNEYS THAT ARE NORMALLY MEASURED IN TOXICOLOGY RESEARCH AND DRUG DEVELOPMENT STUDIES

10.3 PRIMARY CULTURES OF HPT CELLS

10.3.1 METHODS FOR HPT CELL ISOLATION

10.3.2 VALIDATION OF HPT PRIMARY CELL CULTURES

10.3.3 ADVANTAGES AND LIMITATIONS OF HPT PRIMARY CELL CULTURES

10.3.4 GENETIC POLYMORPHISMS AND INTERINDIVIDUAL SUSCEPTIBILITY

10.4 TOXICOLOGY STUDIES IN HPT PRIMARY CELL CULTURES

10.5 CRITICAL STUDIES FOR DRUG DISCOVERY IN HPT PRIMARY CELL CULTURES

10.5.1 PHASE I AND PHASE II DRUG METABOLISM

10.5.2 MEMBRANE TRANSPORT

10.6 SUMMARY AND CONCLUSIONS

10.6.1 ADVANTAGES AND LIMITATIONS OF PERFORMING STUDIES IN HPT PRIMARY CELL CULTURES

10.6.2 FUTURE DIRECTIONS

REFERENCES

CHAPTER 11 PREDICTING ORGAN TOXICITY IN VITRO: BONE MARROW

11.1 INTRODUCTION

11.2 BIOLOGY OF THE HEMATOPOIETIC SYSTEM

11.3 HEMOTOXICITY

11.4 MEASURING HEMOTOXICITY

11.4.1 USES OF THE CFC ASSAY

11.4.2 IN VITRO/IN VIVO CONCORDANCE

11.4.3 LIMITATIONS OF THE CFC ASSAY

11.5 THE NEXT GENERATION OF ASSAYS

11.6 PROLIFERATION OR DIFFERENTIATION?

11.7 MEASURING AND PREDICTING HEMOTOXICITY IN VITRO

11.8 DETECTING STEM AND PROGENITOR CELL DOWNSTREAM EVENTS

11.9 BONE MARROW TOXICITY TESTING DURING DRUG DEVELOPMENT

11.10 PARADIGM FOR IN VITRO HEMOTOXICITY TESTING

11.11 PREDICTING STARTING DOSES FOR ANIMAL AND HUMAN CLINICAL TRIALS

11.12 FUTURE TRENDS

11.13 CONCLUSIONS

REFERENCES

CHAPTER 12 PREDICTING ORGAN TOXICITY IN VITRO: DERMAL TOXICITY

12.1 INTRODUCTION

12.2 OVERVIEW OF DRUG-INDUCED ADVERSE CUTANEOUS REACTIONS

12.3 OVERVIEW OF IN VITRO SKIN MODELS WITH RELEVANCE TO PRECLINICAL DRUG DEVELOPMENT

12.4 SPECIFIC APPLICATIONS OF IN VITRO SKIN MODELS AND PREDICTIVE IN VITRO ASSAYS RELEVANT TO PHARMACEUTICAL DEVELOPMENT

12.4.1 SKIN SENSITIZATION

12.4.2 PHOTOTOXICITY

12.4.3 SKIN IRRITATION

12.5 MECHANISM-BASED CUTANEOUS ADVERSE EFFECTS

12.5.1 PERCUTANEOUS ABSORPTION

12.5.2 GENOTOXICITY

12.5.3 SKIN LIGHTENING/MELANOGENESIS

12.6 SUMMARY

REFERENCES

CHAPTER 13 IN VITRO METHODS IN IMMUNOTOXICITY ASSESSMENT

13.1 INTRODUCTION AND PERSPECTIVES ON IN VITRO IMMUNOTOXICITY SCREENING

13.2 OVERVIEW OF THE IMMUNE SYSTEM

13.3 EXAMPLES OF IN VITRO APPROACHES

13.3.1 ACQUIRED IMMUNE RESPONSES

13.3.2 FC. RECEPTOR AND COMPLEMENT BINDING

13.3.3 ASSESSMENT OF HYPERSENSITIVITY

13.3.4 IMMUNOGENICITY OF BIOLOGICS

13.3.5 IMMUNOTOXICITY DUE TO MYELOTOXICITY

13.4 CONCLUSIONS

REFERENCES

CHAPTER 14 STRATEGIES AND ASSAYS FOR MINIMIZING RISK OF OCULAR TOXICITY DURING EARLY DEVELOPMENT OF SYSTEMICALLY ADMINISTERED DRUGS

14.1 INTRODUCTION

14.2 IN SILICO AND IN VITRO TOOLS AND STRATEGIES

14.3 HIGHER-THROUGHPUT IN VIVO TOOLS AND STRATEGIES

14.3.1 OCULAR REFLEXES AND ASSOCIATED BEHAVIORS

14.3.2 NONINVASIVE OPHTHALMIC EXAMINATIONS

14.4 STRATEGIES, GAPS, AND EMERGING TECHNOLOGIES

14.4.1 STRATEGIC DEPLOYMENT OF IN SILICO, IN VITRO, AND IN VIVO TOOLS

14.4.2 EMERGING BIOMARKERS OF RETINAL TOXICITY

14.5 SUMMARY

REFERENCES

CHAPTER 15 PREDICTING ORGAN TOXICITY IN VIVO—CENTRAL NERVOUS SYSTEM

15.1 INTRODUCTION

15.2 MODELS FOR ASSESSMENT OF CNS ADRS

15.2.1 IN VIVO BEHAVIORAL BATTERIES

15.2.2 IN VITRO MODELS

15.3 SEIZURE LIABILITY TESTING

15.3.1 INTRODUCTION

15.3.2 MEDIUM/HIGH THROUGHPUT APPROACHES TO ASSESS SEIZURE LIABILITY OF DRUG CANDIDATES

15.3.3 IN VIVO APPROACHES TO ASSESS SEIZURE LIABILITY OF DRUG CANDIDATES

15.4 DRUG ABUSE LIABILITY TESTING

15.4.1 INTRODUCTION

15.4.2 PRECLINICAL MODELS TO TEST ABUSE POTENTIAL OF CNS-ACTIVE DRUG CANDIDATES

15.5 GENERAL CONCLUSIONS

15.5.1 IN VITRO

15.5.2 IN VIVO

REFERENCES

CHAPTER 16 BIOMARKERS, CELL MODELS, AND IN VITRO ASSAYS FOR GASTROINTESTINAL TOXICOLOGY

16.1 INTRODUCTION

16.2 ANATOMIC AND PHYSIOLOGIC CONSIDERATIONS

16.2.1 ORAL CAVITY

16.2.2 ESOPHAGUS

16.2.3 STOMACH

16.2.4 SMALL AND LARGE INTESTINE

16.3 GI BIOMARKERS

16.3.1 BIOMARKERS OF EPITHELIAL MASS, INTESTINAL FUNCTION, OR CELLULAR DAMAGE

16.3.2 BIOMARKERS OF INFLAMMATION

16.4 CELL MODELS OF THE GI TRACT

16.4.1 CELL LINES AND PRIMARY CELLS

16.4.2 INDUCED PLURIPOTENT STEM CELLS

16.4.3 COCULTURE SYSTEMS

16.4.4 3D ORGANOID MODELS

16.4.5 ORGANS-ON-A-CHIP

16.5 CELL-BASED IN VITRO ASSAYS FOR SCREENING AND MECHANISTIC INVESTIGATIONS TO GI TOXICITY

16.5.1 CELL VIABILITY

16.5.2 CELL MIGRATION

16.5.3 BARRIER INTEGRITY

16.6 SUMMARY/CONCLUSIONS/CHALLENGES

REFERENCES

CHAPTER 17 PRECLINICAL SAFETY ASSESSMENT OF DRUG CANDIDATE-INDUCED PANCREATIC TOXICITY: FROM AN APPLIED PERSPECTIVE

17.1 DRUG-INDUCED PANCREATIC TOXICITY

17.1.1 INTRODUCTION

17.1.2 DRUG-INDUCED PANCREATIC EXOCRINE TOXICITY IN HUMANS: PANCREATITIS

17.1.3 MECHANISMS OF DRUG-INDUCED PANCREATIC TOXICITY

17.2 PRECLINICAL EVALUATION OF PANCREATIC TOXICITY

17.2.1 INTRODUCTION

17.2.2 RISK MANAGEMENT AND UNDERSTANDING THE POTENTIAL FOR CLINICAL TRANSLATION

17.2.3 INTERSPECIES AND INTERSTRAIN DIFFERENCES IN SUSCEPTIBILITY TO PANCREATIC TOXICITY

17.3 PRECLINICAL PANCREATIC TOXICITY ASSESSMENT: IN VIVO

17.3.1 ROUTINE ASSESSMENT

17.3.2 SPECIALIZED TECHNIQUES

17.4 PANCREATIC BIOMARKERS

17.4.1 INTRODUCTION

17.4.2 EXOCRINE INJURY BIOMARKERS IN HUMANS AND PRECLINICAL SPECIES

17.4.3 ENDOCRINE/ISLET FUNCTIONAL BIOMARKERS FOR HUMANS AND PRECLINICAL SPECIES

17.4.4 A NOTE ON BIOMARKERS OF VASCULAR INJURY RELEVANT TO THE PANCREAS

17.4.5 AUTHOR’S OPINION ON THE STRATEGY FOR INVESTMENTS TO ADDRESS PANCREATIC BIOMARKER GAPS

17.5 PRECLINICAL PANCREATIC TOXICITY ASSESSMENT: IN VITRO

17.5.1 INTRODUCTION TO PANCREATIC CELL CULTURE

17.5.2 MODELING IN VIVO TOXICITY IN VITRO, TESTING TRANSLATABILITY, AND IN VITRO SCREENING TOOLS

17.5.3 CASE STUDY 1: DRUG CANDIDATE-INDUCED DIRECT ACINAR CELL TOXICITY IN VIVO WITH CONFIRMATION OF TOXICITY AND DRUG CANDIDATE SCREENING IN VITRO

17.5.4 CASE STUDY 2: DRUG CANDIDATE-INDUCED MICROVASCULAR INJURY AT THE EXOCRINE–ENDOCRINE INTERFACE IN THE RAT WITH UNSUCCESSFUL CONFIRMATION OF TOXICITY IN VITRO AND NO PANCREAS-SPECIFIC MONITORABLE BIOMARKERS IDENTIFIED

17.5.5 EMERGING TECHNOLOGIES/GAPS: ORGANOTYPIC MODELS

17.6 SUMMARY AND CONCLUSIONS

ACKNOWLEDGMENTS

REFERENCES

PART V ADDRESSING THE FALSE NEGATIVE SPACE—INCREASING PREDICTIVITY

CHAPTER 18 ANIMAL MODELS OF DISEASE FOR FUTURE TOXICITY PREDICTIONS

18.1 INTRODUCTION

18.2 HEPATIC DISEASE MODELS

18.2.1 HEPATIC TOXICITY: RELEVANCE TO DRUG ATTRITION

18.2.2 HEPATIC TOXICITY: REASONS FOR POOR TRANSLATION FROM ANIMAL TO HUMAN

18.2.3 AVAILABLE HEPATIC MODELS TO PREDICT HEPATIC TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.3 CARDIOVASCULAR DISEASE MODELS

18.3.1 CARDIAC TOXICITY: RELEVANCE TO DRUG ATTRITION

18.3.2 CARDIAC TOXICITY: REASONS FOR POOR TRANSLATION FROM ANIMAL TO HUMAN

18.3.3 AVAILABLE CV MODELS TO PREDICT CARDIAC TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.4 NERVOUS SYSTEM DISEASE MODELS

18.4.1 NERVOUS SYSTEM TOXICITY: RELEVANCE TO DRUG ATTRITION

18.4.2 NERVOUS SYSTEM TOXICITY: REASONS FOR POOR TRANSLATION FROM ANIMAL TO HUMAN

18.4.3 AVAILABLE NERVOUS SYSTEM MODELS TO PREDICT NERVOUS SYSTEM TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.5 GASTROINTESTINAL INJURY MODELS

18.5.1 GASTROINTESTINAL (GI) TOXICITY: RELEVANCE TO DRUG ATTRITION

18.5.2 GASTROINTESTINAL TOXICITY: REASONS FOR POOR TRANSLATION FROM ANIMAL TO HUMAN

18.5.3 AVAILABLE GASTROINTESTINAL ANIMAL MODELS TO PREDICT GASTROINTESTINAL TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.6 RENAL INJURY MODELS

18.6.1 RENAL TOXICITY: RELEVANCE TO DRUG ATTRITION

18.6.2 RENAL TOXICITY: REASONS FOR POOR TRANSLATION FROM ANIMAL TO HUMAN

18.6.3 AVAILABLE RENAL MODELS TO PREDICT RENAL TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.7 RESPIRATORY DISEASE MODELS

18.7.1 RESPIRATORY TOXICITY: RELEVANCE TO DRUG ATTRITION

18.7.2 RESPIRATORY TOXICITY: REASONS FOR ADEQUATE TRANSLATION FROM ANIMAL TO HUMAN

18.7.3 AVAILABLE RESPIRATORY MODELS TO PREDICT RESPIRATORY TOXICITY OR UNDERSTAND MOLECULAR MECHANISMS OF TOXICITY: ADVANTAGES AND LIMITATIONS

18.8 CONCLUSION

REFERENCES

CHAPTER 19 THE USE OF GENETICALLY MODIFIED ANIMALS IN DISCOVERY TOXICOLOGY

19.1 INTRODUCTION

19.2 LARGE-SCALE GENE TARGETING AND PHENOTYPING EFFORTS

19.3 USE OF GENETICALLY MODIFIED ANIMAL MODELS IN DISCOVERY TOXICOLOGY

19.4 THE USE OF GENETICALLY MODIFIED ANIMALS IN PHARMACOKINETIC AND METABOLISM STUDIES

19.4.1 DRUG METABOLISM

19.4.2 DRUG TRANSPORTERS

19.4.3 NUCLEAR RECEPTORS AND COORDINATE INDUCTION

19.4.4 HUMANIZED LIVER MODELS

19.5 CONCLUSIONS

REFERENCES

CHAPTER 20 MOUSE POPULATION -BASED TOXICOLOGY FOR PERSONALI ZED MEDICINE AND IMPROVED SAFETY PREDICTION

20.1 INTRODUCTION

20.2 PHARMACOGENETICS AND POPULATION VARIABILITY

20.3 RODENT POPULATIONS ENABLE A POPULATION-BASED APPROACH TO TOXICOLOGY

20.3.1 MOUSE DIVERSITY PANEL

20.3.2 CC MICE

20.3.3 DO MICE

20.4 APPLICATIONS FOR PHARMACEUTICAL SAFETY SCIENCE

20.4.1 PERSONALIZED MEDICINE: DEVELOPMENT OF COMPANION DIAGNOSTICS

20.4.2 BIOMARKERS OF SENSITIVITY

20.4.3 MODE OF ACTION

20.5 STUDY DESIGN CONSIDERATIONS FOR GENOMIC MAPPING

20.5.1 DOSE SELECTION

20.5.2 MODEL SELECTION

20.5.3 SAMPLE SIZE

20.5.4 PHENOTYPING

20.5.5 GENOME-WIDE ASSOCIATION ANALYSIS

20.5.6 CANDIDATE GENE ANALYSIS

20.5.7 COST CONSIDERATIONS

20.5.8 HEALTH STATUS

20.6 SUMMARY

REFERENCES

PART VI STEM CELLS IN TOXICOLOGY

CHAPTER 21 APPLICATION OF PLURIPOTENT STEM CELLS IN DRUG-INDUCED LIVER INJURY SAFETY ASSESSMENT

21.1 THE LIVER, HEPATOCYTES, AND DRUG-INDUCED LIVER INJURY

21.2 CURRENT MODELS OF DILI

21.2.1 PRIMARY HUMAN HEPATOCYTES

21.2.2 MURINE MODELS

21.2.3 CELL LINES

21.2.4 STEM CELL MODELS

21.3 USES OF IPSC HLCS

21.4 CHALLENGES OF USING IPSCS AND NEW DIRECTIONS FOR IMPROVEMENT

21.4.1 COMPLEX CULTURE SYSTEMS

21.4.2 COCULTURE

21.4.3 3D CULTURE

21.4.4 PERFUSION BIOREACTORS

21.5 ALTERNATE USES OF HLCS IN TOXICITY ASSESSMENT

REFERENCES

CHAPTER 22 HUMAN PLURIPOTENT STEM CELL-DERIVED CARDIOMYOCYTES: A NEW PARADIGM IN PREDICTIVE PHARMACOLOGY AND TOXICOLOGY

22.1 INTRODUCTION

22.2 ADVENT OF HPSCS: REPROGRAMMING AND CARDIAC DIFFERENTIATION

22.2.1 REPROGRAMMING

22.2.2 CARDIAC DIFFERENTIATION

22.3 IPSC-BASED DISEASE MODELING AND DRUG TESTING

22.4 TRADITIONAL TARGET-CENTRIC DRUG DISCOVERY PARADIGM

22.5 IPSC-BASED DRUG DISCOVERY PARADIGM

22.5.1 TARGET IDENTIFICATION AND VALIDATION: “CLINICAL TRIAL IN A DISH”

22.5.2 SAFETY PHARMACOLOGY AND TOXICOLOGICAL TESTING

22.6 LIMITATIONS AND CHALLENGES

22.7 CONCLUSIONS AND FUTURE PERSPECTIVE

ACKNOWLEDGMENTS

REFERENCES

CHAPTER 23 STEM CELL-DERIVED RENAL CELLS AND PREDICTIVE RENAL IN VITRO MODELS

23.1 INTRODUCTION

23.2 PROTOCOLS FOR THE DIFFERENTIATION OF PLURIPOTENT STEM CELLS INTO CELLS OF THE RENAL LINEAGE

23.2.1 EARLIER PROTOCOLS AND THE RECENT RACE

23.2.2 PROTOCOLS DESIGNED TO MIMIC EMBRYONIC KIDNEY DEVELOPMENT

23.2.3 RAPID AND EFFICIENT METHODS FOR THE GENERATION OF PROXIMAL TUBULAR-LIKE CELLS

23.3 RENAL IN VITRO MODELS FOR DRUG SAFETY SCREENING

23.3.1 MICROFLUIDIC AND 3D MODELS AND OTHER MODELS THAT HAVE BEEN TESTED WITH LOWER NUMBERS OF COMPOUNDS

23.3.2 IN VITRO MODELS THAT HAVE BEEN TESTED WITH HIGHER NUMBERS OF COMPOUNDS AND THE FIRST PREDICTIVE RENAL IN VITRO MODEL

23.3.3 STEM CELL-BASED PREDICTIVE MODELS

23.4 ACHIEVEMENTS AND FUTURE DIRECTIONS

ACKNOWLEDGMENTS

NOTES

REFERENCES

PART VII CURRENT STATUS OF PRECLINICAL IN VIVO TOXICITY BIOMARKERS

CHAPTER 24 PREDICTIVE CARDIAC HYPERTROPHY BIOMARKERS IN NONCLINICAL STUDIES

24.1 INTRODUCTION TO BIOMARKERS

24.2 CARDIOVASCULAR TOXICITY

24.3 CARDIAC HYPERTROPHY

24.4 DIAGNOSIS OF CARDIAC HYPERTROPHY

24.5 BIOMARKERS OF CARDIAC HYPERTROPHY

24.6 CASE STUDIES

24.7 CONCLUSION

REFERENCES

CHAPTER 25 VASCULAR INJURY BIOMARKERS

25.1 HISTORICAL CONTEXT OF DRUG-INDUCED VASCULAR INJURY AND DRUG DEVELOPMENT

25.2 CURRENT STATE OF DIVI BIOMARKERS

25.3 CURRENT STATUS AND FUTURE OF IN VITRO SYSTEMS TO INVESTIGATE DIVI

25.4 INCORPORATION OF IN VITRO AND IN VIVO TOOLS IN PRECLINICAL DRUG DEVELOPMENT

25.5 DIVI CASE STUDY

REFERENCES

CHAPTER 26 NOVEL TRANSLATIONAL BIOMARKERS OF SKELETAL MUSCLE INJURY

26.1 INTRODUCTION

26.2 OVERVIEW OF DRUG-INDUCED SKELETAL MUSCLE INJURY

26.3 NOVEL BIOMARKERS OF DRUG-INDUCED SKELETAL MUSCLE INJURY

26.3.1 SKELETAL TROPONIN I (STNI)

26.3.2 CREATINE KINASE M (CKM)

26.3.3 MYOSIN LIGHT CHAIN 3 (MYL3)

26.3.4 FATTY ACID-BINDING PROTEIN 3

26.3.5 PARVALBUMIN

26.3.6 MYOGLOBIN

26.3.7 MICRORNAS

26.4 REGULATORY ENDORSEMENT

26.5 GAPS AND FUTURE DIRECTIONS

26.6 CONCLUSIONS

REFERENCES

CHAPTER 27 TRANSLATIONAL MECHANISTIC BIOMARKERS AND MODELS FOR PREDICTING DRUG-INDUCED LIVER INJURY: CLINICAL TO IN VITRO PERSPECTIVES

27.1 INTRODUCTION

27.2 DRUG-INDUCED TOXICITY AND THE LIVER

27.3 CURRENT STATUS OF BIOMARKERS FOR THE ASSESSMENT OF DILI

27.4 NOVEL INVESTIGATIONAL BIOMARKERS FOR DILI

27.4.1 GLUTAMATE DEHYDROGENASE

27.4.2 ACYLCARNITINES

27.4.3 HIGH-MOBILITY GROUP BOX-1 (HMGB1)

27.4.4 KERATIN-18 (K18)

27.4.5 MICRORNA-122 (MIR-122)

27.5 IN VITRO MODELS AND THE PREDICTION OF HUMAN DILI

27.6 CONCLUSIONS AND FUTURE PERSPECTIVES

REFERENCES

PART VIII KIDNEY INJURY BIOMARKERS

CHAPTER 28 ASSESSING AND PREDICTING DRUG-INDUCED KIDNEY INJURY, FUNCTIONAL CHANGE, AND SAFETY IN PRECLINICAL STUDIES IN RATS

28.1 INTRODUCTION

28.2 KIDNEY FUNCTIONAL BIOMARKERS (GLOMERULAR FILTRATION AND TUBULAR REABSORPTION)

28.2.1 TRADITIONAL FUNCTIONAL BIOMARKERS

28.2.2 NOVEL FUNCTIONAL BIOMARKERS

28.3 NOVEL KIDNEY TISSUE INJURY BIOMARKERS

28.3.1 URINARY N-ACETYL-ß-D-GLUCOSAMINIDASE (NAG)

28.3.2 URINARY GLUTATHIONE S-TRANSFERASE A (A-GST)

28.3.3 URINARY RENAL PAPILLARY ANTIGEN 1 (RPA-1)

28.3.4 URINARY CALBINDIN D28

28.4 NOVEL BIOMARKERS OF KIDNEY TISSUE STRESS RESPONSE

28.4.1 URINARY KIDNEY INJURY MOLECULE-1 (KIM-1)

28.4.2 URINARY CLUSTERIN

28.4.3 URINARY NEUTROPHIL GELATINASE-ASSOCIATED LIPOCALIN (NGAL)

28.4.4 URINARY OSTEOPONTIN (OPN)

28.4.5 URINARY L-TYPE FATTY ACID-BINDING PROTEIN (L-FABP)

28.4.6 URINARY INTERLEUKIN-18 (IL-18)

28.5 APPLICATION OF AN INTEGRATED RAT PLATFORM (AUTOMATED BLOOD SAMPLING AND TELEMETRY, ABST) FOR KIDNEY FUNCTION AND INJURY ASSESSMENT

REFERENCES

CHAPTER 29 CANINE KIDNEY SAFETY PROTEIN BIOMARKERS

29.1 INTRODUCTION

29.2 NOVEL CANINE RENAL PROTEIN BIOMARKERS

29.3 EVALUATIONS OF NOVEL CANINE RENAL PROTEIN BIOMARKER PERFORMANCE

29.4 CONCLUSION

REFERENCES

CHAPTER 30 TRADITIONAL KIDNEY SAFETY PROTEIN BIOMARKERS AND NEXT-GENERATION DRUG-INDUCED KIDNEY INJURY BIOMARKERS IN NONHUMAN PRIMATES

30.1 INTRODUCTION

30.2 EVALUATIONS OF NOVEL NHP RENAL PROTEIN BIOMARKER PERFORMANCE

30.3 NEW HORIZONS: URINARY MICRORNAS AND NEPHROTOXICITY IN NHPS

REFERENCES

CHAPTER 31 RAT KIDNEY MICRORNA ATLAS

31.1 INTRODUCTION

31.2 KEY FINDINGS

REFERENCES

CHAPTER 32 MICRORNAS AS NEXT-GENERATION KIDNEY TUBULAR INJURY BIOMARKERS IN RATS

32.1 INTRODUCTION

32.2 RAT TUBULAR MIRNAS

32.3 CONCLUSIONS

REFERENCES

CHAPTER 33 MICRORNAS AS NOVEL GLOMERULAR INJURY BIOMARKERS IN RATS

33.1 INTRODUCTION

33.2 RAT GLOMERULAR MIRNAS

REFERENCES

CHAPTER 34 INTEGRATING NOVEL IMAGING TECHNOLOGIES TO INVESTIGATE DRUG-INDUCED KIDNEY TOXICITY

34.1 INTRODUCTION

34.2 OVERVIEWS

34.3 SUMMARY

REFERENCES

CHAPTER 35 IN VITRO TO IN VIVO RELATIONSHIPS WITH RESPECT TO KIDNEY SAFETY BIOMARKERS

35.1 RENAL CELL LINES AS TOOLS FOR TOXICOLOGICAL INVESTIGATIONS

35.2 MECHANISTIC APPROACHES AND IN VITRO TO IN VIVO TRANSLATION

35.3 CLOSING REMARKS

REFERENCES

CHAPTER 36 CASE STUDY: FULLY AUTOMATED IMAGE ANALYSIS OF PODOCYTE INJURY BIOMARKER EXPRESSION IN RATS

36.1 INTRODUCTION

36.2 MATERIAL AND METHODS

36.3 RESULTS

36.4 CONCLUSIONS

REFERENCES

CHAPTER 37 CASE STUDY: NOVEL RENAL BIOMARKERS TRANSLATION TO HUMANS

37.1 INTRODUCTION

37.2 IMPLEMENTATION OF TRANSLATIONAL RENAL BIOMARKERS IN DRUG DEVELOPMENT

37.3 CONCLUSION

REFERENCES

CHAPTER 38 CASE STUDY: MICRORNAS AS NOVEL KIDNEY INJURY BIOMARKERS IN CANINES

38.1 INTRODUCTION

38.2 MATERIAL AND METHODS

38.3 RESULTS

38.4 CONCLUSIONS

REFERENCES

CHAPTER 39 NOVEL TESTICULAR INJURY BIOMARKERS

39.1 INTRODUCTION

39.2 THE TESTIS

39.3 POTENTIAL BIOMARKERS FOR TESTICULAR TOXICITY

39.3.1 INHIBIN B

39.3.2 ANDROGEN-BINDING PROTEIN

39.3.3 SP22

39.3.4 EMERGING NOVEL APPROACHES

39.4 CONCLUSIONS

REFERENCES

PART IX BEST PRACTICES IN BIOMARKER EVALUATIONS

CHAPTER 40 BEST PRACTICES IN PRECLINICAL BIOMARKER SAMPLE COLLECTIONS

40.1 CONSIDERATIONS FOR REDUCING PREANALYTICAL VARIABILITY IN BIOMARKER TESTING

40.2 BIOLOGICAL SAMPLE MATRIX VARIABLES

40.3 COLLECTION VARIABLES

40.4 SAMPLE PROCESSING AND STORAGE VARIABLES

REFERENCES

CHAPTER 41 BEST PRACTICES IN NOVEL BIOMARKER ASSAY FIT-FOR-PURPOSE TESTING

41.1 INTRODUCTION

41.2 WHY USE A FIT-FOR-PURPOSE ASSAY?

41.3 OVERVIEW OF FIT-FOR-PURPOSE ASSAY METHOD VALIDATIONS

41.4 ASSAY METHOD SUITABILITY IN PRECLINICAL STUDIES

41.5 BEST PRACTICES FOR ANALYTICAL METHODS VALIDATION

41.5.1 ASSAY PRECISION

41.5.2 ACCURACY/RECOVERY

41.5.3 PRECISION AND ACCURACY OF THE CALIBRATION CURVE

41.5.4 LOWER LIMIT OF QUANTIFICATION

41.5.5 UPPER LIMIT OF QUANTIFICATION

41.5.6 LIMIT OF DETECTION

41.5.7 PRECISION ASSESSMENT FOR BIOLOGICAL SAMPLES

41.5.8 DILUTIONAL LINEARITY AND PARALLELISM

41.5.9 QUALITY CONTROL

41.6 SPECIES- AND GENDER-SPECIFIC REFERENCE RANGES

41.7 ANALYTE STABILITY

41.8 ADDITIONAL METHOD PERFORMANCE EVALUATIONS

REFERENCES

CHAPTER 42 BEST PRACTICES IN EVALUATING NOVEL BIOMARKER FIT FOR PURPOSE AND TRANSLATABILITY

42.1 INTRODUCTION

42.2 PROTOCOL DEVELOPMENT

42.3 ASSEMBLING AN OPERATIONS TEAM

42.4 TRANSLATABLE BIOMARKER USE

42.5 ASSAY SELECTION

42.6 BIOLOGICAL MATRIX SELECTION

42.7 DOCUMENTATION OF PATIENT FACTORS

42.8 HUMAN SAMPLE COLLECTION PROCEDURES

42.8.1 BIOMARKERS IN HUMAN TISSUE BIOPSY AND BIOFLUID SAMPLES

42.9 CHOICE OF COLLECTION DEVICE

42.9.1 TISSUE COLLECTION DEVICE

42.9.2 PLASMA COLLECTION DEVICE

42.9.3 SERUM COLLECTION DEVICE

42.9.4 URINE COLLECTION DEVICE

42.10 SCHEDULE OF COLLECTIONS

42.11 HUMAN SAMPLE QUALITY ASSURANCE

42.11.1 MONITORING COMPLIANCE TO SAMPLE COLLECTION PROCEDURES

42.11.2 DOCUMENTING TIME AND TEMPERATURE FROM SAMPLE COLLECTION TO PROCESSING

42.11.3 OPTIMAL HANDLING AND PRESERVATION METHODS

42.11.4 CHOICE OF SAMPLE STORAGE TUBES

42.11.5 CHOICE OF SAMPLE LABELING

42.11.6 OPTIMAL SAMPLE STORAGE CONDITIONS

42.12 LOGISTICS PLAN

42.13 DATABASE CONSIDERATIONS

42.14 CONCLUSIVE REMARKS

REFERENCES

CHAPTER 43 BEST PRACTICES IN TRANSLATIONAL BIOMARKER DATA ANALYSIS

43.1 INTRODUCTION

43.2 STATISTICAL CONSIDERATIONS FOR PRECLINICAL STUDIES OF SAFETY BIOMARKERS

43.3 STATISTICAL CONSIDERATIONS FOR EXPLORATORY CLINICAL STUDIES OF TRANSLATIONAL SAFETY BIOMARKERS

43.4 STATISTICAL CONSIDERATIONS FOR CONFIRMATORY CLINICAL STUDIES OF TRANSLATIONAL SAFETY BIOMARKERS

43.5 SUMMARY

REFERENCES

CHAPTER 44 TRANSLATABLE BIOMARKERS IN DRUG DEVELOPMENT: REGULATORY ACCEPTANCE AND QUALIFICATION

44.1 SAFETY BIOMARKERS

44.2 QUALIFICATION OF SAFETY BIOMARKERS

44.3 LETTER OF SUPPORT FOR SAFETY BIOMARKERS

44.4 CRITICAL PATH INSTITUTE’S PREDICTIVE SAFETY TESTING CONSORTIUM

44.5 PREDICTIVE SAFETY TESTING CONSORTIUM AND ITS KEY COLLABORATIONS

44.6 ADVANCING THE QUALIFICATION PROCESS AND DEFINING EVIDENTIARY STANDARDS

REFERENCES

PART IX CONCLUSIONS

CHAPTER 45 TOXICOGENOMICS IN DRUG DISCOVERY TOXICOLOGY: HISTORY, METHODS, CASE STUDIES, AND FUTURE DIRECTIONS

45.1 A BRIEF HISTORY OF TOXICOGENOMICS

45.2 TOOLS AND STRATEGIES FOR ANALYZING TOXICOGENOMICS DATA

45.3 DRUG DISCOVERY TOXICOLOGY CASE STUDIES

45.3.1 CASE STUDIES: DIAGNOSTIC TOXICOGENOMICS

45.3.2 CASE STUDIES: PREDICTIVE TOXICOGENOMICS

45.3.3 CASE STUDIES: MECHANISTIC/INVESTIGATIVE TOXICOGENOMICS

45.3.4 FUTURE DIRECTIONS IN DRUG DISCOVERY TOXICOGENOMICS

REFERENCES

CHAPTER 46 ISSUE INVESTIGATION AND PRACTICES IN DISCOVERY TOXICOLOGY

46.1 INTRODUCTION

46.2 OVERVIEW OF ISSUE INVESTIGATION IN THE DISCOVERY SPACE

46.3 STRATEGIES TO ADDRESS TOXICITIES IN THE DISCOVERY SPACE

46.4 CROSS-FUNCTIONAL COLLABORATIVE MODEL

46.5 CASE-STUDIES OF ISSUE RESOLUTION IN THE DISCOVERY SPACE

46.6 DATA INCLUSION IN REGULATORY FILINGS

REFERENCES

ABBREVIATIONS

CONCLUDING REMARKS

INDEX

SUPPLEMENTAL IMAGES

EULA

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