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Related Experiment Videos

The Bugs Don't Lie.

James P Agalloco1

  • 1Agalloco & Associates Inc., 22 Carriage Trail, Belle Mead, NJ 08502 jagalloco@aol.com.

PDA Journal of Pharmaceutical Science and Technology
|September 15, 2019
PubMed
Summary
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Sterility Assurance-Current and Future State.

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Increasing Patient Safety by Closing the Sterile Production Gap-Part 2. Implementation.

PDA journal of pharmaceutical science and technology·2017

Sterilization validation relies on both physical and biological measurements. This review argues that microbiological evidence should take precedence over physical data for ensuring product sterility.

Area of Science:

  • Pharmaceutical Manufacturing
  • Microbiology
  • Regulatory Science

Background:

  • Sterilization is essential for drug product preparation, with validation governed by global regulatory standards.
  • Conflicting expectations exist regarding sterilization validation, particularly between physical measurements and biological indicators.
  • The European Medicines Agency (EMA) Annex 1 favors physical measurements, contrasting with U.S. practices emphasizing microbiological challenges.

Purpose of the Study:

  • To review sterilization process principles and the relationship between physical and biological measurements.
  • To explore assumptions behind physical measurements in sterilization.
  • To reaffirm the primacy of biological evidence in sterilization validation.

Main Methods:

  • Review of regulatory documents, pharmacopeial standards, and industry guidelines.
Keywords:
BioburdenBiological indicatorMoist heatProbability of a non-sterile unit (PNSU)RegulationSterility assuranceSterilizationTerminal sterilization

Related Experiment Videos

  • Analysis of the principles and assumptions underlying physical sterilization measurements.
  • Deconstruction of arguments for and against the use of biological indicators.

    • Main Results:

    • Sterilization validation involves both physical and biological data, with historical divergence in emphasis.
    • Physical measurements in sterilization are based on assumptions derived from microbiological results.
    • Arguments favoring physical measurements over biological indicators are critically examined.

    Conclusions:

    • Biological evidence remains the definitive confirmation of sterilization lethality.
    • Microbiological data should hold primacy in sterilization validation processes.
    • Reconciling differing regulatory expectations for sterilization validation is necessary.