| Summary: | <p>Abstract</p> <p>Background</p> <p><it>Atopobium vaginae </it>and <it>Gardnerella vaginalis </it>are major markers for bacterial vaginosis. We aimed to determine the MIC and MBC range of the broad-spectrum anti-infective and antiseptic dequalinium chloride for 28 strains, belonging to 4 species of the genus <it>Atopobium, i.e. A. vaginae, A. minutum, A. rimae </it>and <it>A. parvulum</it>.</p> <p>Methods</p> <p>The MIC was determined with a broth microdilution assay.</p> <p>Results</p> <p>The MIC and MBC for <it>Atopobium </it>spp. for dequalinium chloride ranged between < 0.0625 and 2 μg/ml.</p> <p>Conclusions</p> <p>This study demonstrated that dequalinium chloride inhibits and kills clinical isolates of <it>A. vaginae </it>at concentrations similar to those of clindamycin and lower than those of metronidazole.</p>
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