Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs

Immobilized Artificial Membrane (IAM) chromatography columns have been used to model the in vivo distribution of drug discovery compounds. Regis Technologies Inc., the manufacturer, had to replace the silica support and consequently introduced a new IAM.PC.DD2 column that shows slightly different se...

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Main Authors: Klara Livia Valko, Silvia Rava, Shenaz Bunally, Scott Anderson
Format: Article
Language:English
Published: International Association of Physical Chemists (IAPC) 2020-03-01
Series:ADMET and DMPK
Subjects:
Online Access:http://pub.iapchem.org/ojs/index.php/admet/article/view/757
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author Klara Livia Valko
Silvia Rava
Shenaz Bunally
Scott Anderson
author_facet Klara Livia Valko
Silvia Rava
Shenaz Bunally
Scott Anderson
author_sort Klara Livia Valko
collection DOAJ
description Immobilized Artificial Membrane (IAM) chromatography columns have been used to model the in vivo distribution of drug discovery compounds. Regis Technologies Inc., the manufacturer, had to replace the silica support and consequently introduced a new IAM.PC.DD2 column that shows slightly different selectivity towards acidic and basic compounds. The application of the new IAM.PC.DD2 columns has been evaluated and the in vivo distribution models have been compared with the previous batches of columns. It was found that due to the improved endcapping of the silica, some of the positively charged drug molecules showed shorter retention than previously published. Therefore, the column system suitability data have been updated. However, these differences do not significantly affect the previously published models for the volume of distribution, brain tissue binding and drug efficiency. Therefore, the published models can be used with the new IAM.PC.DD2 columns.
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spelling doaj.art-f177dd5c00074a2c8192e4b16ef34ba62022-12-22T01:34:45ZengInternational Association of Physical Chemists (IAPC)ADMET and DMPK1848-77182020-03-0181789710.5599/admet.757410Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugsKlara Livia Valko0Silvia Rava1Shenaz Bunally2Scott Anderson3Bio-Mimetic Chromatography, Director Honorary Professor UCL School of Pharmacy1University of Pavia, Italy, Erasmus internship at Bio-Mimetic Chromatography Ltd. Business and Technology Centre, Bessemer Drive, Stevenage, SG1 2DX, United KingdomHead of Physicochemical Characterization Group at GSK, Stevenage United KingdomProduct manager at Regis Technologies Inc.Immobilized Artificial Membrane (IAM) chromatography columns have been used to model the in vivo distribution of drug discovery compounds. Regis Technologies Inc., the manufacturer, had to replace the silica support and consequently introduced a new IAM.PC.DD2 column that shows slightly different selectivity towards acidic and basic compounds. The application of the new IAM.PC.DD2 columns has been evaluated and the in vivo distribution models have been compared with the previous batches of columns. It was found that due to the improved endcapping of the silica, some of the positively charged drug molecules showed shorter retention than previously published. Therefore, the column system suitability data have been updated. However, these differences do not significantly affect the previously published models for the volume of distribution, brain tissue binding and drug efficiency. Therefore, the published models can be used with the new IAM.PC.DD2 columns.http://pub.iapchem.org/ojs/index.php/admet/article/view/757phospholipid binding, hplc, the volume of distribution, tissue binding, drug efficiency.
spellingShingle Klara Livia Valko
Silvia Rava
Shenaz Bunally
Scott Anderson
Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
ADMET and DMPK
phospholipid binding, hplc, the volume of distribution, tissue binding, drug efficiency.
title Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
title_full Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
title_fullStr Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
title_full_unstemmed Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
title_short Revisiting the application of Immobilized Artificial Membrane (IAM) chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
title_sort revisiting the application of immobilized artificial membrane iam chromatography to estimate in vivo distribution properties of drug discovery compounds based on the model of marketed drugs
topic phospholipid binding, hplc, the volume of distribution, tissue binding, drug efficiency.
url http://pub.iapchem.org/ojs/index.php/admet/article/view/757
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