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The microbial content of non-sterile pharmaceuticals distributed in Norway

C Charnock1

  • 1Faculty of Health Sciences, Oslo University College, 0167 Oslo, Norway. colin.charnock@hf.hio.no

The Journal of Hospital Infection
|July 9, 2004
PubMed

Insights

Microbial analysis of 77 non-sterile pharmaceuticals found compliance with regulations. However, some opportunistic pathogens and unusual antibiotic resistances were detected, warranting further pharmaceutical quality assessment.

Area of Science:

  • Microbiology
  • Pharmaceutical Science
  • Quality Control

Background:

  • Pharmaceutical products not requiring sterility testing are subject to microbial limits.
  • Assessing microbial content is crucial for ensuring product safety and efficacy.

Purpose of the Study:

  • To investigate the microbial content of registered trademark pharmaceuticals not mandated for sterility testing.
  • To evaluate compliance with existing regulatory standards for microbial contamination.

Main Methods:

  • Seventy-seven pharmaceutical products were sampled.
  • Microbial content analysis was performed to identify and quantify microorganisms.
  • Isolates were characterized, including antibiotic resistance profiling.

Main Results:

  • All 77 products met current regulatory standards for microbial numbers and types.
  • Gram-positive endospore-forming rods were the predominant bacteria.
  • Incidental Gram-negative rods included opportunistic pathogens, and some isolates exhibited unusual antibiotic resistance.

Conclusions:

  • Current manufacturing practices effectively meet existing microbial standards for these pharmaceuticals.
  • The presence of opportunistic pathogens and unusual antibiotic resistance highlights potential risks.
  • Further consideration of objectionable microorganisms and resistance patterns in non-sterile pharmaceuticals is recommended.

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