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Subvisible (2-100 μm) Particle Analysis During Biotherapeutic Drug Product Development: Part 1, Considerations and

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Summary

Subvisible particles in protein therapeutics require harmonized methods for accurate measurement and characterization. This review focuses on tools and strategies for detecting, quantifying, and analyzing these critical components during drug development.

Keywords:
biotechnologylight-scatteringmicroparticlesmicroscopyparticle sizephysical stabilityprotein aggregationprotein formulation

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Area of Science:

  • Pharmaceutical Science
  • Biotechnology
  • Analytical Chemistry

Background:

  • Subvisible particles (2-100 μm) are critical quality attributes in protein therapeutic development.
  • Both proteinaceous and nonproteinaceous particles require careful monitoring.
  • Current methods for particle analysis vary, impacting comparability across studies.

Purpose of the Study:

  • To provide perspectives on subvisible particles in protein therapeutic drug products.
  • To review available tools for detection, characterization, and quantification.
  • To discuss strategies for applying particle analysis data in drug development.

Main Methods:

  • Literature review of current technologies for subvisible particle analysis.
  • Discussion of harmonized approaches for nomenclature, protocols, and data interpretation.
  • Strategic considerations for applying particle characterization data.

Main Results:

  • A range of analytical tools exist for subvisible particle analysis.
  • Harmonization of methods is essential for cross-laboratory and cross-product comparisons.
  • Strategic application of data is crucial for informed decision-making in development.

Conclusions:

  • Standardized approaches to subvisible particle measurement are vital for robust protein therapeutic development.
  • Effective utilization of analytical tools and data strategies enhances product quality and safety.
  • This manuscript serves as a guide for researchers and developers in the field.