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Evaluation of ADMET Predictor in Early Discovery Drug Metabolism and Pharmacokinetics Project Work
RISE Research Institutes of Sweden, Bioeconomy and Health, Chemical and Pharmaceutical Toxicology. Medivir AB, Sweden.
Medivir AB, Sweden; ADMEYT AB, Sweden.
2022 (English)In: Drug Metabolism And Disposition, ISSN 0090-9556, E-ISSN 1521-009X, Vol. 50, no 2, p. 95-104Article in journal (Refereed) Published
Abstract [en]

A dataset consisting of measured values for LogD, solubility, metabolic stability in human liver microsomes (HLMs), and Caco-2 permeability was used to evaluate the prediction models for lipophilicity (S+LogD), water solubility (S+Sw_pH), metabolic stability in HLM (CYP_HLM_Clint), intestinal permeability (S+Peff), and P-glycoprotein (P-gp) substrate identification (P-gp substrate) in the software ADMET Predictor (AP) from Simulations Plus. The dataset consisted of a total of 4, 794 compounds, with at least data from metabolic stability determinations in HLM, from multiple discovery projects at Medivir. Our evaluation shows that the global AP models can be used for categorization of high and low values based on predicted results for metabolic stability in HLM and intestinal permeability, and to give good predictions of LogD (R25 0.79), guiding the synthesis of new compounds and for prioritizing in vitro ADME experiments. The model seems to overpredict solubility for the Medivir compounds, however. We also used the in-house datasets to build local models for LogD, solubility, metabolic stability, and permeability by using artificial neural network (ANN) models in the optional Modeler module of AP. Predictions of the test sets were performed with both the global and the local models, and the R2 values for linear regression for predicted versus measured HLM in vitro intrinsic clearance (CLint) based on logarithmic data were 0.72 for the in-house model and 0.53 for the AP model. The improved predictions with the local models are likely explained both by the specific chemical space of the Medivir dataset and laboratory-specific assay conditions for parameters that require biologic assay systems. .

Place, publisher, year, edition, pages
American Society for Pharmacology and Experimental Therapy , 2022. Vol. 50, no 2, p. 95-104
National Category
Pharmaceutical Sciences
Identifiers
URN: urn:nbn:se:ri:diva-59052DOI: 10.1124/dmd.121.000552Scopus ID: 2-s2.0-85123812575OAI: oai:DiVA.org:ri-59052DiVA, id: diva2:1653232
Note

Funding text 1: The authors thank Dr. Fredrik ?berg, Chief Scientific Officer at Medivir AB, for allowing us to use these data.

Available from: 2022-04-21 Created: 2022-04-21 Last updated: 2022-04-21Bibliographically approved

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