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Pioneering Just-in-Time (JIT) Strategy for Accelerating Raman Method Development and Implementation for Biologic
Hanzhou Feng1, Zachary D Dunn1, Roli Kargupta2
1Data Rich Measurements, Analytical Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States.
A new Just-in-Time (JIT) strategy accelerates Raman spectroscopy model development for monoclonal antibody (mAb) production. This approach enables real-time monitoring and control of expedited biologics manufacturing processes.
Area of Science:
- Process Analytical Technology (PAT)
- Biopharmaceutical Manufacturing
- Chemometrics
Background:
- Raman spectroscopy is a key Process Analytical Technology (PAT) for monitoring monoclonal antibody (mAb) production.
- Traditional chemometric model development requires extensive data, which is challenging with expedited drug development timelines.
- Shortened timelines limit the data collection window for Raman applications in bioprocessing.
Purpose of the Study:
- To introduce and validate a Just-in-Time (JIT) strategy for rapid Raman model development.
- To reduce the time and data requirements for implementing Raman spectroscopy in mAb manufacturing.
- To ensure the effective application of Raman spectroscopy in accelerated biologics development.
Main Methods:
- Integration of Raman spectroscopy with online two-dimensional liquid chromatography (2D-LC) as a PAT system.
- Real-time chemometric modeling for antibody titer and aggregate percentage using Raman data.
- Dynamic updating of Raman models with newly acquired process data.
- Application of the JIT strategy to a continuous biologic manufacturing process.
Main Results:
- Adequate initial Raman models were established using limited data from lab-scale batches.
- Models were successfully updated in real-time during a scale-up batch, demonstrating adaptability.
- The JIT strategy effectively accelerated the development of Raman methods for process monitoring.
- Proof-of-concept study confirmed the feasibility of the JIT approach for expedited bioprocessing.
Conclusions:
- The Just-in-Time (JIT) strategy significantly reduces Raman model development time for mAb manufacturing.
- This approach supports the real-time monitoring and control of expedited biologics processes.
- JIT strategy enables faster implementation of PAT tools in pharmaceutical development, aligning with industry needs.
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