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Related Experiment Videos

A method for demonstrating appropriate environmental protection for capping aseptically filled and plugged vials.

John F Arnold1, Jeffrey M Price

  • 1Pfizer Corporation, Portage, Michigan 49002, USA. john.f.arnold@pfizer.com

PDA Journal of Pharmaceutical Science and Technology
|February 10, 2004
PubMed
Summary

Stoppered, uncapped vials maintain sterility even under challenging microbial conditions. This study provides confidence in the environmental control needed during aseptic filling processes for sterile drug products.

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Area of Science:

  • Pharmaceutical Manufacturing
  • Sterile Drug Production
  • Aseptic Processing

Background:

  • Aseptic filling of drug products involves a time gap between stoppering and capping.
  • Lyophilized products require Grade A conditions due to partial stoppering.
  • The required environmental control for stoppered, uncapped vials is not well-defined, leading to varied opinions.

Purpose of the Study:

  • To investigate the level of environmental control needed for vials during aseptic filling.
  • To assess the microbial protection afforded by stoppered, uncapped vials.
  • To provide data supporting appropriate environmental controls in sterile manufacturing.

Main Methods:

  • Exposing stoppered, uncapped vials with sterile microbiological media to aerosolized microbial challenges.

Related Experiment Videos

  • Simulating a range of container/closure presentations.
  • Utilizing a microbial challenge exceeding typical environmental exposure levels.

    • Main Results:

    • Stoppered, uncapped vials demonstrated a high level of protection against microbial contamination.
    • Sterility of the contents was maintained under rigorous testing conditions.
    • The study provides data on the efficacy of container closure systems at this production stage.

    Conclusions:

    • Stoppered, uncapped vials are expected to maintain the sterility of their contents.
    • The findings support a high degree of confidence in the integrity of the container closure system.
    • This research informs the definition of appropriate environmental controls for aseptic processing stages.