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Leveraging mathematical models for optimizing filter utility at manufacturing scale.

Steven Rose1, Ashna Dhingra1, Adrian Joseph1

  • 1Bioprocess Technologies and Engineering, BioPharmaceuticals Development, R&D, AstraZeneca, Gaithersburg, US.

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Summary
This summary is machine-generated.

Biopharmaceutical manufacturing can optimize depth filter use during supply shortages. A modeling approach predicts performance with fewer filters, preventing costly shutdowns and batch failures.

Keywords:
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Area of Science:

  • Bioprocess Engineering
  • Filtration Technology
  • Pharmaceutical Manufacturing

Background:

  • Biopharmaceutical production relies on depth filters and sterile filters to remove cell debris.
  • Global supply chain disruptions have limited the availability of critical depth filters.
  • Facilities face challenges managing filter inventory, risking batch failures or plant shutdowns.

Purpose of the Study:

  • To develop a modeling-based method for predicting depth filter performance under reduced filter numbers and increased flux.
  • To quantify the acceptable reduction in filter area without compromising filtration performance.
  • To provide a strategy for managing depth filter inventory during supply constraints.

Main Methods:

  • Leveraging manufacturing-scale filtration data for model development.
  • Implementing predictive modeling to assess filter performance with reduced area and higher flux.
  • Analyzing filtration data to determine critical thresholds for filter area reduction.

Main Results:

  • The developed model accurately predicts depth filter performance with fewer filters and increased operational flux.
  • Quantifiable limits for acceptable depth filter area reduction were established.
  • The method demonstrated the ability to maintain process performance under constrained filter availability.

Conclusions:

  • A modeling approach enables effective management of depth filter inventory during supply shortages.
  • This strategy mitigates risks of batch failures and plant shutdowns in biopharmaceutical manufacturing.
  • Optimized filter usage ensures continued production of biologics despite supply chain constraints.