Development of Generic Raman Models for a GS-KOCHO Platform Process.

08:00 EDT 31st March 2018 | BioPortfolio

Summary of "Development of Generic Raman Models for a GS-KOCHO Platform Process."

The monitoring and control of bioprocesses is of the utmost importance in order to provide a consistent, safe, and high quality product for consumers. Current monitoring and control schemes rely on infrequent and time consuming offline sampling methods, which inherently leads to some variability in the process which may impact the product quality profile. As part of Lonza's dedication to process analytical technology (PAT) initiatives this study evaluated the ability to generate generic calibration models, which are independent of the cell line, using Raman probes to monitor changes in glucose, lactate, glutamate, ammonium, viable cell concentration (VCC), total cell concentration (TCC) and product concentration. Calibration models were developed from cell culture using two different CHOK1SV GS-KOcell lines producing different monoclonal antibodies (mAbs). Developed predictive models, measured changes in glucose, lactate, ammonium, VCC, and TCC with average prediction errors of 0.44 g/L, 0.23 g/L, 0.03 g/L, 1.90 x 10cells/mL, and 1.85 x 10cells/mL respectively over the course of cell culture with minimal cell line dependence. The development of these generic models allows the application of spectroscopic PAT techniques in clinical and commercial manufacturing environments, where processes are typically run once or twice in GMP manufacturing based on a common platform process. This article is protected by copyright. All rights reserved.


Journal Details

This article was published in the following journal.

Name: Biotechnology progress
ISSN: 1520-6033


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