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In-Depth Understanding of Granule Compression Behavior under Variable Raw Material and Processing Conditions.

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Raw material variability significantly impacts tablet manufacturing. Optimizing granulation conditions like atomizing pressure and binder addition controls downstream tabletability, ensuring desired pharmaceutical product quality.

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Area of Science:

  • Pharmaceutical Manufacturing
  • Materials Science
  • Chemical Engineering

Background:

  • Tablet manufacturing is sensitive to raw material variability.
  • Understanding and mitigating this variability is crucial for consistent downstream processing and final product quality.

Purpose of the Study:

  • To investigate the impact of variable raw materials and processing conditions on granule compression properties.
  • To identify key factors influencing tabletability and compactibility of granules containing active pharmaceutical ingredients (APIs) and microcrystalline cellulose.

Main Methods:

  • Granulation of mixtures containing two APIs and microcrystalline cellulose under varied conditions.
  • Analysis of granule properties including compressibility and tabletability.
  • Mathematical modeling of compression data to assess diluent source influence.
  • Design space construction to identify optimal processing parameters.

Main Results:

  • Initial API particle size, granule polydispersity, and fragmentation affected compressibility and tabletability.
  • Atomizing pressure showed interactions with granule properties.
  • Adapting binder addition and atomizing pressure managed variability from different API suppliers.
  • Diluent source (microcrystalline cellulose) impacted compactibility due to water binding capacity.

Conclusions:

  • Granulation process parameters must be optimized to manage raw material variability.
  • A defined design space allows for the selection of suitable APIs and processing conditions to ensure consistent tablet performance.