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http://dx.doi.org/10.5351/KJAS.2015.28.2.289

Bio-Equivalence Analysis using Linear Mixed Model  

An, Hyungmi (Department of Statistics, Seoul National University)
Lee, Youngjo (Department of Statistics, Seoul National University)
Yu, Kyung-Sang (Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital)
Publication Information
The Korean Journal of Applied Statistics / v.28, no.2, 2015 , pp. 289-294 More about this Journal
Abstract
Linear mixed models are commonly used in the clinical pharmaceutical studies to analyze repeated measures such as the crossover study data of bioequivalence studies. In these models, random effects describe the correlation between repeated outcomes and variance-covariance matrix explain within-subject variabilities. Bioequivalence analysis verifies whether a 90% confidence interval for geometric mean ratio of Cmax and AUC between reference drug and test drug is included in the bioequivalence margin [0.8, 1.25] performed using linear mixed models with period, sequence and treatment effects as fixed and sequence nested subject effects as random. A Levofloxacin study is referred to for an example of real data analysis.
Keywords
Bioequivalence; repeated measures; linear mixed model; random effects;
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Times Cited By KSCI : 1  (Citation Analysis)
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