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Validated Quantitation and Activity Assay of Antibody Fragment Molecule (Fab) for Process Development and Quality Control
BPI Contributor
February 2, 2022
1 Min Read
Sponsored by Sartorius
The analytical group at Boehringer Ingelheim, Fremont, USA needed a robust assay to measure the biological activity of an antibody fragment (Fab) molecule for in-process testing as well as stability and lot release testing in their Quality Control (QC) department. The developed Fab activity assay is accurate and robust, with intermediate and intramediate precision less than 10%. Drug activity measurement using the Octet® system has become a critical parameter for their product evaluation and has resulted in increased Fab drug product consistency and quality. This document describes the various steps involved in development and initial validation of the Octet® assay and presents experimental results from Boehringer Ingelheim that demonstrate the value in process development and QC studies.
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