Wang, Xiaoning Schumitzky, Alan D'Argenio, David Z.
Abstract
Pharmacokinetic/pharmacodynamic phenotypes are identified using nonlinear random effect models with finite mixture structures. A maximum a posteriori probability estimation approach is presented using an EM algorithm with importance sampling. Parameters for the conjugate prior densities can be based on prior studies or set to represent vague knowledge about the model parameters. A detailed simulation study illustrates the feasibility of the approach and evaluates its performance, including selecting the number of mixture components and proper subject classification.
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Volume (Year): 53 (2009) Issue (Month): 12 (October) Pages: 3907-3915 Download reference. The following formats are available: HTML
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