Susceptibility in vitro of Helicobacter pylori to cetylpyridinium chloride

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Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
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Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance

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S Bereswill1, T Vey, M Kist

  • 1Institute of Medical Microbiology and Hygiene, Department of Microbiology and Hygiene, University of Freiburg, Germany. bereswil@sun1.ukl.uni-freiburg.de

FEMS Immunology and Medical Microbiology
|June 23, 1999
PubMed

Insights

Cetylpyridinium chloride (CPC) effectively inhibits Helicobacter pylori growth at low concentrations. This finding suggests CPC-based treatments could be valuable for managing this common gastric pathogen.

Area of Science:

  • Microbiology
  • Pharmacology
  • Infectious Diseases

Background:

  • Cetylpyridinium chloride (CPC) is an antimicrobial agent used for oral and oropharyngeal infections.
  • Its activity against various bacterial species is well-documented.

Purpose of the Study:

  • To determine the in vitro susceptibility of Helicobacter pylori to CPC.
  • To compare CPC's efficacy against H. pylori with its efficacy against other common bacterial species.

Main Methods:

  • The agar dilution technique was employed to determine the minimal inhibitory concentration (MIC) of CPC.
  • MIC values were assessed for H. pylori and a panel of other bacteria including Campylobacter spp., Streptococcus spp., Staphylococcus aureus, and Escherichia coli.

Main Results:

  • Helicobacter pylori demonstrated high susceptibility to CPC, with a minimal inhibitory concentration (MIC) of 10 microM.
  • This MIC was significantly lower compared to other tested bacteria, which exhibited MICs ranging from 100 microM to 2 mM.

Conclusions:

  • CPC exhibits potent in vitro activity against the gastric pathogen Helicobacter pylori.
  • CPC-containing formulations may represent a viable therapeutic option for H. pylori eradication or transmission prevention.

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