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Interlaboratory method validation of icIEF methodology for analysis of monoclonal antibodies
Author(s) -
Wu Gang,
Yu Chuanfei,
Wang Wenbo,
Wang Lan
Publication year - 2018
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.201800118
Subject(s) - monoclonal antibody , guideline , harmonization , isoelectric focusing , medicine , computer science , antibody , chemistry , immunology , pathology , biochemistry , physics , acoustics , enzyme
CE is central to the analysis, process development and approval of therapeutic monoclonal antibodies (mAbs). Recently, imaged capillary isoelectric focusing (icIEF) has emerged as a powerful technique for quantitative protein charge heterogeneity monitoring and characterization, particularly for mAbs. However, icIEF has yet to be validated for therapeutically relevant mAbs adhering to the ICH guideline (International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use). Here, for the first time, icIEF technology was validated by 10 laboratories across 8 independent companies using a therapeutic mAb. The parameters of this method validation strictly follow the guideline of the ICH. This guideline includes specificity, precision, accuracy, linearity, range, LOQ and robustness. These results represent a significant step forward in standardizing the use of icIEF methods for the clinical approval of therapeutic mAbs.

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