The Annals of Applied Statistics

Likelihood reweighting methods to reduce potential bias in noninferiority trials which rely on historical data to make inference

Lei Nie, Zhiwei Zhang, Daniel Rubin, and Jianxiong Chu

Full-text: Open access

Abstract

It is generally believed that bias is minimized in well-controlled randomized clinical trials. However, bias can arise in active controlled noninferiority trials because the inference relies on a previously estimated effect size obtained from a historical trial that may have been conducted for a different population. By implementing a likelihood reweighting method through propensity scoring, a study designed to estimate a treatment effect in one trial population can be used to estimate the treatment effect size in a different target population. We illustrate this method in active controlled noninferiority trials, although it can also be used in other types of studies, such as historically controlled trials, meta-analyses, and comparative effectiveness analyses.

Article information

Source
Ann. Appl. Stat., Volume 7, Number 3 (2013), 1796-1813.

Dates
First available in Project Euclid: 3 October 2013

Permanent link to this document
https://projecteuclid.org/euclid.aoas/1380804817

Digital Object Identifier
doi:10.1214/13-AOAS655

Mathematical Reviews number (MathSciNet)
MR3127969

Zentralblatt MATH identifier
06237198

Keywords
Bias generalized linear model inverse probability weighting noninferiority propensity score

Citation

Nie, Lei; Zhang, Zhiwei; Rubin, Daniel; Chu, Jianxiong. Likelihood reweighting methods to reduce potential bias in noninferiority trials which rely on historical data to make inference. Ann. Appl. Stat. 7 (2013), no. 3, 1796--1813. doi:10.1214/13-AOAS655. https://projecteuclid.org/euclid.aoas/1380804817


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Supplemental materials

  • Supplementary material: Supplement to “Likelihood reweighting methods to reduce potential bias in noninferiority trials which rely on historical data to make inference”. The supplement provides an assessment of the efficiency loss for the weighted likelihood method and a comparison between the likelihood reweighting method and related methods in historically controlled trials.