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Full-Text Articles in Anesthesiology
Higher Midazolam Clearance In Obese Adolescents Compared With Morbidly Obese Adults., Anne Van Rongen, Margreke J E Brill, Janelle D Vaughns, Pyry A J Välitalo, Eric P A Van Dongen, Bert Van Ramshorst, Jeffrey S Barrett, Johannes N Van Den Anker, Catherijne A J Knibbe
Higher Midazolam Clearance In Obese Adolescents Compared With Morbidly Obese Adults., Anne Van Rongen, Margreke J E Brill, Janelle D Vaughns, Pyry A J Välitalo, Eric P A Van Dongen, Bert Van Ramshorst, Jeffrey S Barrett, Johannes N Van Den Anker, Catherijne A J Knibbe
Anesthesiology and Critical Care Medicine Faculty Publications
Background
The clearance of cytochrome P450 (CYP) 3A substrates is reported to be reduced with lower age, inflammation and obesity. As it is unknown what the overall influence is of these factors in the case of obese adolescents vs. morbidly obese adults, we studied covariates influencing the clearance of the CYP3A substrate midazolam in a combined analysis of data from obese adolescents and morbidly obese adults.
Methods
Data from 19 obese adolescents [102.7 kg (62–149.5 kg)] and 20 morbidly obese adults [144 kg (112–186 kg)] receiving intravenous midazolam were analysed, using population pharmacokinetic modelling (NONMEM 7.2). In the covariate analysis, …