Hybrid liquid chromatography high resolution and accuracy mass spectrometry approach for quantification of antibody-drug conjugates at the intact protein level in biological samples
Copyright © 2023. Published by Elsevier B.V..
Preclinical in vivo and in vitro characterization of Antibody-Drug Conjugates (ADCs) involves the development of several bioanalytical methods to address many drug exposure questions. The current pharma industry approach requires at least three different assays that must be run, i.e., total antibody (mAb), conjugated payload or conjugated mAb, and free payload assays. Herein we present analytical performances of a quantitative hybrid Ligand Binding/Liquid Chromatography High Resolution and Accuracy Mass Spectrometry (LB/LCHRAM) method that can condense much of the necessary bioanalytical information in one method. The method includes an immuno-capture step, and it detects whole ADC molecules. It was applied to plasma mouse samples and showed reliable bioanalytical performance according to full method validation standards. Quantitation using extracted ion chromatograms and deconvoluted mass peaks was evaluated. The limit of quantitation resulted in 0.5ng of protein on column with a linear dynamic range spanning from 0.5 to 10μg/mL. Moreover, lower drug-to-antibody ratio (DAR) ADC species can be simultaneously detected, also enabling qualitative characterization of in vivo ADC conjugation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:188 |
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| Enthalten in: |
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences - 188(2023) vom: 01. Sept., Seite 106502 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Barbero, Luca M [VerfasserIn] |
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| Links: |
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| Themen: |
ADC |
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| Anmerkungen: |
Date Revised 13.08.2023 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.ejps.2023.106502 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM358379563 |
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| 520 | |a Copyright © 2023. Published by Elsevier B.V. | ||
| 520 | |a Preclinical in vivo and in vitro characterization of Antibody-Drug Conjugates (ADCs) involves the development of several bioanalytical methods to address many drug exposure questions. The current pharma industry approach requires at least three different assays that must be run, i.e., total antibody (mAb), conjugated payload or conjugated mAb, and free payload assays. Herein we present analytical performances of a quantitative hybrid Ligand Binding/Liquid Chromatography High Resolution and Accuracy Mass Spectrometry (LB/LCHRAM) method that can condense much of the necessary bioanalytical information in one method. The method includes an immuno-capture step, and it detects whole ADC molecules. It was applied to plasma mouse samples and showed reliable bioanalytical performance according to full method validation standards. Quantitation using extracted ion chromatograms and deconvoluted mass peaks was evaluated. The limit of quantitation resulted in 0.5ng of protein on column with a linear dynamic range spanning from 0.5 to 10μg/mL. Moreover, lower drug-to-antibody ratio (DAR) ADC species can be simultaneously detected, also enabling qualitative characterization of in vivo ADC conjugation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a ADC | |
| 650 | 4 | |a Bioanalysis | |
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| 650 | 4 | |a Quantitation of large molecules | |
| 700 | 1 | |a Ianni, Andrea Di |e verfasserin |4 aut | |
| 700 | 1 | |a Molinaro, Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Cowan, Kyra J |e verfasserin |4 aut | |
| 700 | 1 | |a Sirtori, Federico Riccardi |e verfasserin |4 aut | |
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