Orthogonal chromatographic descriptors for modelling Caco-2 drug permeability

Journal of Chromatographic Science
E DeconinckD Coomans

Abstract

The use of chromatographic descriptors as alternative for Caco-2 permeability in drug absorption screening was evaluated. Therefore, retentions were measured on 17 Reversed-Phase Liquid Chromatographic systems, considered to be orthogonal or dissimilar, and an Immobilized Artificial Membrane (IAM) system. Retentions on a Micellar Liquid Chromatography system were taken from the literature. From this set of systems, those found dissimilar for the used data set were selected. The retention factors on these systems were then used as descriptors in QSAR modelling. Modelling was performed using Stepwise Multiple Linear Regression. This resulted in a model using only two chromatographic systems with good descriptive and acceptable predictive properties. A high qualitative model was obtained by combining both chromatographic systems selected in the previous model with a lipophilicity parameter (the squared Moriguchi n-octanol/water partition coefficient) and the molecular volume.

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Citations

Dec 20, 2015·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Xin DongHua Yang
Dec 1, 2018·Current Topics in Medicinal Chemistry·Hai Pham-TheGerardo M Casañola-Martin

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