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Article Dans Une Revue Expert Review of Proteomics Année : 2019

Cutting-edge multi-level analytical and structural characterization of antibody-drug conjugates: present and future

Résumé

Introduction : The development and optimization of antibody drug conjugates (ADCs) rely on improving their analytical and bioanalytical characterization, by assessing critical quality attributes (CQAs). Among the CQAs, the glycoprofile, drug load distribution (DLD), the amount of unconjugated antibody (D0), the average drug-to-antibody ratio (DAR), the drug conjugation sites and the residual drug-linker and related product proportions (SMDs) in addition to high and low molecular weight species (H/LMWS) are the most important ones. Areas covered : The analytical and structural toolbox for the characterization of 1st, 2d and 3d generation ADCs was significantly extended in the last 3 years. Here, we reviewed state-ofthe-art techniques, such as liquid chromatography, high resolution native and ion mobility mass spectrometry, multidimensional LC and capillary electrophoresis hyphenated to mass spectrometry, reported mainly since 2016. Expert commentary : These emerging techniques allow a deep insight into important CQAs that are related to ADC Chemistry Manufacturing and Control (CMC) as well as an improved understanding of in vitro and in vivo ADC biotransformations. This knowledge and the development of quantitative bioanalytical assays will continue to contribute to earlydevelopability assessment for the optimization of all the ADC components (i.e., antibody, drug, and linker) and help to bring next-generation candidate ADC into the clinic and hopefully to the marke
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Dates et versions

hal-02272143 , version 1 (08-10-2020)

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Alain Beck, Valentina D’atri, Anthony Ehkirch, Szabolcs Fekete, Oscar Hernandez-Alba, et al.. Cutting-edge multi-level analytical and structural characterization of antibody-drug conjugates: present and future. Expert Review of Proteomics, 2019, 16 (4), pp.337-362. ⟨10.1080/14789450.2019.1578215⟩. ⟨hal-02272143⟩
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