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Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
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Microbial diversity in pharmaceutical product recalls and environments
1papomicro@earthlink.net
PDA Journal of Pharmaceutical Science and Technology
|December 1, 2007
Summary
Microbial contamination, especially Gram-negative bacteria like Burkholderia cepacia, frequently causes pharmaceutical product recalls. Addressing water contamination and environmental controls is crucial for preventing microbial contamination in sterile and non-sterile drugs.
Area of Science:
- Pharmaceutical Microbiology
- Environmental Monitoring
- Quality Control
Background:
- Microbial contamination in pharmaceutical products poses a significant risk.
- Understanding contamination sources is vital for preventing product recalls.
Purpose of the Study:
- To analyze the microbial contaminants identified in FDA product recalls.
- To identify common microbial species and their potential sources in pharmaceutical environments.
Main Methods:
- Analysis of FDA product recall data (1998-2006) for sterile and non-sterile pharmaceutical products.
- Review of scientific literature on microbial contamination in pharmaceutical settings.
Main Results:
- 48% of non-sterile recalls were due to Burkholderia cepacia, Pseudomonas spp., or Ralstonia picketti; 23% due to yeast and mold.
- Gram-negative bacteria caused 60% of non-sterile recalls, while Gram-positive bacteria accounted for 4%.
- Burkholderia cepacia was the most frequent isolate in both non-sterile (22%) and sterile (2.5%) recalls.
Conclusions:
- Gram-negative bacteria, particularly B. cepacia, are major contaminants in pharmaceutical recalls.
- Water contamination may be linked to B. cepacia, Pseudomonas spp., and R. picketti.
- Yeast, mold, and Gram-positive bacteria suggest environmental control deficiencies.
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