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Multivariate data analysis to evaluate commonly used compression descriptors.

Sabrina Berkenkemper1, Stefan Klinken1, Peter Kleinebudde1

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Principal component analysis revealed tabletability as key for characterizing pharmaceutical excipients during direct compression. Compression pressure significantly impacts results, while compressibility and compactibility play minor roles.

Keywords:
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Area of Science:

  • Pharmaceutical Sciences
  • Materials Science
  • Chemical Engineering

Background:

  • Compression analysis is crucial for understanding material behavior in pharmaceutical manufacturing.
  • Compressibility, compactibility, and tabletability are key metrics in tableting investigations.
  • Multivariate data analysis offers a powerful approach to complex material characterization.

Purpose of the Study:

  • To comprehensively analyze compression data from twelve pharmaceutical excipients using multivariate methods.
  • To identify the most influential parameters in direct compression tableting.
  • To enhance the understanding of the tableting process through advanced data evaluation.

Main Methods:

  • Principal Component Analysis (PCA) was employed for multivariate data analysis.
  • Twelve pharmaceutical excipients were subjected to direct compression tableting.
  • Material properties, tablet characteristics, tableting parameters, and compression analysis results were utilized as input variables.

Main Results:

  • Principal Component Analysis successfully grouped the pharmaceutical excipients based on their properties.
  • Compression pressure emerged as the most significant tableting parameter influencing the outcomes.
  • Tabletability was identified as the most critical compression analysis for material characterization.

Conclusions:

  • Multivariate analysis provides valuable insights into the complex tableting process.
  • Tabletability is a more critical factor than compressibility or compactibility in characterizing excipients for direct compression.
  • Understanding the influence of compression pressure aids in optimizing tablet formulation and manufacturing.