Byron Jones is a senior biometrical fellow and executive director in the Statistical Methodology Group at Novartis Pharmaceuticals. Previously he was a senior statistical consultant/senior director at Pfizer and a senior director and UK head of the Research Statistics Unit at GlaxoSmithKline. In addition to 14 years of experience in the pharmaceutical industry, he has 25 years of experience in academia, ultimately holding the position of professor of medical statistics at De Montfort University. Currently he is an honorary professor at the London School of Hygiene and Tropical Medicine, visiting professor at University College London and at the University of Leicester, and a visiting professorial fellow at Queen Mary, University of London.

Michael G. Kenward is GlaxoSmithKline professor of biostatistics at the London School of Hygiene and Tropical Medicine. Previously he held positions at the Universities of Kent and Reading in the UK, and at research institutes in the UK, Iceland, and Finland. He has acted as a pharmaceutical industry consultant in biostatistics for more than 25 years. His research interests include the analysis of longitudinal data and cross-over trials, and modeling in biostatistics, with a particular interest in the problem of missing data. He has co-authored three textbooks and is well known for his 1994 Royal Statistical Society read paper on missing data.

Introduction. The 2×2 Cross-Over Trial. Higher-Order Designs for Two Treatments. Designing Cross-Over Trials. Analysis of Continuous Data. Analysis of Discrete Data. Bioequivalence Trials. Case Study: Phase I Dose-Response Noninferiority Trial. Case Study: Choosing a Dose-Response Model. Case Study: Conditional Power. Case Study: Proof of Concept Trial with Sample Size Re-Estimation. Case Study: Blinded Sample Size Re-Estimation in a Bioequivalence Study. Case Study: Unblinded Sample Size Re-Estimation in a Bioequivalence Study That Has a Group Sequential Design. Case Study: Various Methods for an Unblinded Sample Size Re-Estimation in a Bioequivalence Study. Appendix A: Least Squares Estimation. Bibliography.