Statistical issues in drug development

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Bibliographic Information

Statistical issues in drug development

Stephen Senn

(Statistics in practice)

John Wiley & Sons Ltd, c2021

3rd ed

Available at  / 3 libraries

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Includes bibliographical references and index

Description and Table of Contents

Description

Statistical Issues in Drug Development The revised third edition of Statistical Issues in Drug Development delivers an insightful treatment of the intersection between statistics and the life sciences. The book offers readers new discussions of crucial topics, including cluster randomization, historical controls, responder analysis, studies in children, post-hoc tests, estimands, publication bias, the replication crisis, and many more. This work presents the major statistical issues in drug development in a way that is accessible and comprehensible to life scientists working in the field, and takes pains not to gloss over significant disagreements in the field of statistics, while encouraging communication between the statistical and life sciences disciplines. In addition to new material on topics like invalid inversion, severity, random effects in network meta-analysis, and explained variation, readers will benefit from the inclusion of: A thorough introduction to basic topics in drug development and statistics, including the role played by statistics in drug development An exploration of the four views of statistics in drug development, including the historical, methodological, technical, and professional An examination of debatable and controversial topics in drug development, including the allocation of treatments to patients in clinical trials, baselines and covariate information, and the measurement of treatment effects Perfect for life scientists and other professionals working in the field of drug development, Statistical Issues in Drug Development is the ideal resource for anyone seeking a one-stop reference to enhance their understanding of the use of statistics during drug development.

Table of Contents

Preface to the Third Edition Preface to the Second Edition xiii Preface to the First Edition xvii Acknowledgements xxi 1 Introduction 1 1.1 Drug development 1 1.2 The role of statistics in drug development 2 1.3 The object of this book 3 1.4 The author's knowledge of statistics in drug development 4 1.5 The reader and his or her knowledge of statistics 4 1.6 How to use the book 5 References 6 Part 1 Four Views of Statistics in Drug Development: Historical, Methodological, Technical and Professional 9 2 A Brief and Superficial History of Statistics for Drug Developers 11 2.1 Introduction 11 2.2 Early Probabilists 12 2.3 James Bernoulli (1654-1705) 13 2.4 John Arbuthnott (1667-1753) 14 2.5 The mathematics of probability in the late 17th, the 18th and early 19th centuries 14 2.6 Thomas Bayes (1701-1761) 15 2.7 Adolphe Quetelet (1796-1874) 16 2.8 George Biddell Airy (1801-1892) 2.9 Francis Galton (1822-1911) 16 2.10 Karl Pearson (1857-1936) 17 2.11 'Student' (1876-1937) 17 2.12 R.A. Fisher (1890-1962) 17 2.13 Modern mathematical statistics 18 2.14 Medical statistics 19 2.15 Statistics in clinical trials today 20 2.16 The current debate 21 2.17 A living science 21 2.18 Further reading 23 References 23 3 Design and Interpretation of Clinical Trials as Seen by a Statistician 27 3.1 Prefatory warning 27 3.2 Introduction 27 3.3 Defining effects 28 3.4 Practical problems in using the counterfactual argument 28 3.5 Regression to the mean 29 3.6 Control in clinical trials 33 3.7 Randomization 34 3.8 Blinding 36 3.9 Using concomitant observations 37 3.10 Measuring treatment effects 38 3.11 Data generation models 39 3.12 In conclusion 41 3.13 Further reading 41 References 41 4 Probability, Bayes, P-values, Tests of Hypotheses and Confidence Intervals 43 4.1 Introduction 43 4.2 An example 44 4.3 Odds and sods 44 4.4 The Bayesian solution to the example 45 4.5 Why don't we regularly use the Bayesian approach in clinical trials? 46 4.6 A frequentist approach 47 4.7 Hypothesis testing in controlled clinical trials 48 4.8 Significance tests and P-values 49 4.9 Confidence intervals and limits and credible intervals 50 4.10 Some Bayesian criticism of the frequentist approach 51 4.11 Decision theory 51 4.12 Conclusion 52 4.13 Further reading 52 References 53 5 The Work of the Pharmaceutical Statistician 55 5.1 Prefatory remarks 55 5.2 Introduction 56 5.3 In the beginning 57 5.4 The trial protocol 57 5.5 The statistician's role in planning the protocol 58 5.6 Sample size determination 59 5.7 Other important design issues 60 5.8 Randomization 60 5.9 Data collection preview 61 5.10 Performing the trial 61 5.11 Data analysis preview 61 5.12 Analysis and reporting 62 5.13 Other activities 63 5.14 Statistical research 63 5.15 Further reading 64 References 65 Part 2 Statistical Issues: Debatable and Controversial Topics in Drug Development 67 6 Allocating Treatments to Patients in Clinical Trials 69 6.1 Background 69 6.2 Issues 71 References 87 6.A Technical appendix 88 7 Baselines and Covariate Information 95 7.1 Background 95 7.2 Issues 98 References 108 7.A Technical appendix 109 8 The Measurement of Treatment Effects 113 8.1 Background 113 8.2 Issues 114 References 129 8.A Technical appendix 130 9 Demographic Subgroups: Representation and Analysis 133 9.1 Background 133 9.2 Issues 134 References 144 9.A Technical appendix 145 10 Multiplicity 149 10.1 Background 149 10.2 Issues 150 References 161 10.A Technical appendix 162 11 Intention to Treat, Missing Data and Related Matters 165 11.1 Background 165 11.2 Issues 167 References 178 11.A Technical appendix 180 12 One-sided and Two-sided Tests and other Issues to Do with Significance and P-values 183 12.1 Background 183 12.2 Issues 184 References 192 13 Determining the Sample Size 195 13.1 Background 195 13.2 Issues 198 References 211 14 Multicentre Trials 213 14.1 Background 213 14.2 Issues 213 References 230 14.A Technical appendix 231 15 Active Control Equivalence Studies 235 15.1 Background 235 15.2 Issues 237 References 247 15.A Technical appendix 249 16 Meta-Analysis 251 16.1 Background 251 16.2 Issues 253 References 268 16.A Technical appendix 270 17 Cross-over Trials 273 17.1 Background 273 17.2 Issues 275 References 284 18 n-of-1 Trials 287 18.1 Background 287 18.2 Issues 289 References 293 19 Sequential Trials 295 19.1 Background 295 19.2 Issues 302 References 313 20 Dose-finding 317 20.1 Background 317 20.2 Issues 319 References 334 21 Concerning Pharmacokinetics and Pharmacodynamics 337 21.1 Background 337 21.2 Issues 343 References 358 22 Bioequivalence Studies 361 22.1 Background 361 22.2 Issues 362 References 379 23 Safety Data, Harms, Drug Monitoring and Pharmaco-epidemiology 383 23.1 Background 383 23.2 Issues 388 References 403 24 Pharmaco-economics and Portfolio Management 405 24.1 Background 405 24.2 Issues 407 References 429 25 Concerning Pharmacogenetics, Pharmacogenomics and Related Matters 433 25.1 Background 433 25.2 Issues 437 References 450 25.A Technical appendix 451 Glossary 453 Index 483

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