Noninferiority Testing in Clinical Trials

Issues and Challenges

Tie-Hua Ng

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English

CRC Press Inc
01 December 2014

Clinical trials

Series: Chapman & Hall/CRC Biostatistics Series

Take Your NI Trial to the Next Level

Reflecting the vast research on noninferiority (NI) designs from the past 15 years, Noninferiority Testing in Clinical Trials: Issues and Challenges explains how to choose the NI margin as a small fraction of the therapeutic effect of the active control in a clinical trial. Requiring no prior knowledge of NI testing, the book is easily accessible to both statisticians and nonstatisticians involved in drug development.

With over 20 years of experience in this area, the author introduces the basic elements of the NI trials one at a time in a logical order. He discusses issues with estimating the effect size based on historical placebo control trials of the active control. The book covers fundamental concepts related to NI trials, such as assay sensitivity, constancy assumption, discounting, and preservation. It also describes patient populations, three-arm trials, and the equivalence of three or more groups.

By: Tie-Hua Ng
Imprint: CRC Press Inc
Country of Publication: United States
Volume: 68
Dimensions: Height: 234mm, Width: 156mm, Spine: 18mm
Weight: 498g
ISBN: 9781466561496
ISBN 10: 1466561491
Series: Chapman & Hall/CRC Biostatistics Series
Pages: 208
Publication Date: 01 December 2014
Audience: College/higher education , General/trade , Primary , ELT Advanced
Format: Hardback
Publisher's Status: Active

Introduction. Choice of Noninferiority Margin for the Mean Difference. Choice of Noninferiority Margin for the Mean Ratio and Hazard Ratio. Noninferiority Hypotheses with Binary Endpoints. Two Statistical Approaches for Testing the Noninferiority Hypothesis. Switching between Superiority and Noninferiority. Multiple Historical Studies and Meta-Analysis. Three Treatment Groups. Regulatory Guidances. Intention-to-Treat versus Per-Protocol. Thrombolytic Example. Issues and Challenges. Index.

Tie-Hua Ng

Reviews for Noninferiority Testing in Clinical Trials: Issues and Challenges

The author gives interesting examples and discusses all issues critically with respect to existing literature. Furthermore, striking and convincing motivation is given as well as discussions at the ends of most chapters. Many diagrams and graphs clearly illustrate the respective content and statistical issues. The book allows readers from different fields to understand the concept of NI testing as well as issues and challenges related to NI testing. ~Biometrics, 2017 This book is intended for statisticians and non-statisticians working in the area of drug development, and it is written to be easily understood by a broad audience without any prior knowledge of non-inferiority testing. It covers important aspects of non-inferiority testing, including onesided and two-sided hypotheses, equivalence/non-inferiority margins, fixed-margin and the synthesis methods, controversial issues with switching between superiority and non-inferiority testing, tests with binary, continuous and time-to-event endpoints, multiple historical studies and meta-analysis, regulatory guidances, and issues and challenges in these tests. ~Lili Zhao, University of Michigan