Authors: Dette, Holger
Holland-Letz, Tim
Renard, Didier
Title: Efficient algorithms for calculating optimal designs in pharmacokinetics and dose finding studies
Language (ISO): en
Abstract: Random effects models are widely used in population pharmacokinetics and dose finding studies. In such models the presence of correlated observations (due to shared random effects and possibly residual serial correlation) usually makes the explicit determination of optimal designs diffcult. In this paper we develop a class of multiplicative algorithms for the numerical calculation of optimal experimental designs in such situations. In particular we demonstrate its application in a concrete example of a cross-over dose finding trial. Additionally, we show that the methodology can be modified to determine optimal designs where there exist some requirements regarding the minimal number of treatments for several (in some cases all) experimental conditions. AMS Subject Classi cation: 62K05
Subject Headings: Correlated observation
Dose-finding study
Heteroscedastic regression
Locally optimal design
Multiplicative algorithm
Pharmacokinetic model
Random effect
Issue Date: 2010-10-27
Appears in Collections:Sonderforschungsbereich (SFB) 823

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