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Applications of process analytical technology to crystallization processes.

Lawrence X Yu1, Robert A Lionberger, Andre S Raw

  • 1Office of Generic Drugs, Office of Pharmaceutical Science, Center for Drug Evaluation and Research, Food and Drug Administration, 5600 Fishers Lane, Rockville, MD 20857, USA.

Advanced Drug Delivery Reviews
|February 14, 2004
PubMed
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Process analytical technology (PAT) improves pharmaceutical manufacturing by enabling real-time quality control during crystallization. This approach enhances understanding and control of critical processes, reducing product failures.

Area of Science:

  • Pharmaceutical Manufacturing
  • Chemical Engineering
  • Process Analytical Technology

Background:

  • Pharmaceutical crystallization is critical but poorly understood, leading to manufacturing failures.
  • Polymorphism in active pharmaceutical ingredients complicates crystallization control.
  • The Food and Drug Administration's Process Analytical Technology (PAT) initiative aims to improve manufacturing quality.

Purpose of the Study:

  • To introduce the concept of PAT and its application to pharmaceutical crystallization.
  • To review case studies demonstrating PAT implementation in crystallization.
  • To highlight the role of PAT in assuring quality through timely measurements.

Main Methods:

  • Utilizing in situ analytical methods for real-time process monitoring.

Related Experiment Videos

  • Applying chemometric tools for analysis of multivariate process data.
  • Implementing scientifically based process design, optimization, and control strategies.

    • Main Results:

    • PAT enables timely measurements of critical quality attributes during crystallization.
    • Integration of sensors, chemometrics, and control strategies leads to improved process understanding.
    • Case studies illustrate successful application of PAT in pharmaceutical crystallization.

    Conclusions:

    • PAT offers a framework for enhanced modeling, simulation, and control of crystallization processes.
    • Effective implementation of PAT can significantly reduce process and product failures.
    • PAT is key to achieving consistent quality in pharmaceutical manufacturing.