44 citations · 81 across the 4 of their papers we have counts for
4 papers · 1 filter
Validity of MMRM-based hypothesis testing under missing-not-at-random mechanisms
Kazushi Maruo, Ryota Ishii, Yusuke Yamaguchi +3
In randomized clinical trials with longitudinal continuous outcomes, missing-not-at-random (MNAR) missingness often motivates conservative alternatives to mixed models for repeated…
A flexible framework for treatment effect inference in longitudinal clinical studies with skewed outcomes
Kazushi Maruo, Ryota Ishii, Yusuke Yamaguchi +3
Longitudinal continuous outcomes in clinical trials are commonly analyzed using mixed models for repeated measures (MMRM) under normality assumptions. However, many clinical outcom…
Modification and extension of the Bayesian clinical trial design using external data for single-arm and hybrid-controlled trials
Wataru Murasaki, Tomohiro Ohigashi, Ryota Ishii +2
Limited patient availability complicates sample size determination in pediatric clinical trials. Although Bayesian methods incorporating external data offer a solution, rigorously…
Outlier detection and influence diagnostics in network meta-analysis
Hisashi Noma, Masahiko Gosho, Ryota Ishii +2
Network meta-analysis has been gaining prominence as an evidence synthesis method that enables the comprehensive synthesis and simultaneous comparison of multiple treatments. In ma…