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Related Experiment Videos

Process analysis of fluidized bed granulation.

J Rantanen1, A Jørgensen, E Räsänen

  • 1Viikki Drug Discovery Technology Center, Pharmaceutical Technology Division, University of Helsinki, Finland. jukka.rantanen@helsinki.fi

AAPS Pharmscitech
|January 20, 2004
PubMed
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This study optimized fluidized bed granulation using in-line near-infrared (NIR) spectroscopy for real-time moisture monitoring. This method enhances process control and documentation for pharmaceutical manufacturing.

Area of Science:

  • Pharmaceutical Technology
  • Process Analytical Technology (PAT)

Background:

  • Fluidized bed granulation is a critical unit operation in pharmaceutical manufacturing.
  • Real-time monitoring of moisture content is essential for process control and product quality.
  • Traditional methods for moisture determination can be time-consuming and may not provide real-time data.

Purpose of the Study:

  • To assess and optimize the fluidized bed granulation process for a model formulation.
  • To implement in-line near-infrared (NIR) spectroscopy for accurate moisture determination.
  • To integrate NIR data with other process parameters for comprehensive analysis.

Main Methods:

  • Utilized an automated granulator for process analysis.
  • Employed a mixture design for optimizing the verapamil hydrochloride formulation.

Related Experiment Videos

  • Applied in-line NIR spectroscopy with a fixed wavelength detector for moisture measurement.
  • Analyzed temperature difference (T(diff)) and process air water content (AH).

    • Main Results:

    • In-line NIR spectroscopy provided real-time data on water content throughout granulation.
    • Combined analysis of NIR, T(diff), and AH enabled identification of distinct process phases.
    • Excipient choice influenced solid-water interactions and process duration.
    • Demonstrated effective in-line documentation of all processing steps.

    Conclusions:

    • In-line NIR moisture measurement, alongside temperature and humidity data, offers a robust tool for controlling water content in fluid bed granulation.
    • This integrated approach enhances process understanding and facilitates real-time adjustments.
    • The study validates the utility of PAT tools for optimizing pharmaceutical manufacturing processes.