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Particulate contamination in parenterals: current issues.

M J Groves1

  • 1University of Illinois, Chicago 60607.

Bollettino Chimico Farmaceutico
|October 1, 1991
PubMed
Summary
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Injectable solutions contain unavoidable particulate matter. Statistical methods can distinguish random particles from contaminants, ensuring parenteral product safety and quality.

Area of Science:

  • Pharmaceutical Science
  • Analytical Chemistry

Background:

  • Parenteral solutions inherently contain particulate matter across various sizes.
  • Current manufacturing processes minimize larger particles but struggle with submicron sizes.
  • Cost-effective production necessitates acceptable levels of random particulate matter.

Purpose of the Study:

  • To review statistical methodologies for differentiating random particulate matter from specific contaminants in injectable solutions.
  • To compare national compendial limits for particulate in injectable fluids.
  • To examine the scientific basis for United States Pharmacopeia (USP) particulate limits.

Main Methods:

  • Review of statistical approaches to analyze particle size distribution.
  • Comparison of compendial standards for injectable fluids.

Related Experiment Videos

  • Analysis of the scientific rationale behind USP particulate limits.

    • Main Results:

    • Particle size distribution analysis can distinguish random particulate systems from contaminant-dominated ones.
    • Filtration impacts particle numbers and sizes but not necessarily identities, unless specific species like bacteria are removed.
    • A parenteral solution with random, low-level particulate may be acceptable, unlike one dominated by a specific species.

    Conclusions:

    • Statistical analysis is crucial for assessing the safety of injectable solutions based on particulate content.
    • Understanding particle size distribution is key to defining acceptable limits and identifying contamination.
    • The scientific background of compendial limits, particularly USP standards, supports the safe use of parenteral products.