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In vitro activity of cefditoren against a special collection of clinical isolates of Streptococcus pneumoniae from Hungary

Nagy, Elisabeth and Marton, Anna and Hajdú, Edit (2003) In vitro activity of cefditoren against a special collection of clinical isolates of Streptococcus pneumoniae from Hungary. Acta Microbiologica et Immunologica Hungarica, 50 (2-3). pp. 119-124. ISSN 1217-8950

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Abstract

Cefditoren is the active form of cefditoren pivoxil, a new, broad-spectrum oral cephalosporin with strong in vitro activity against penicillin-susceptible and resistant Streptococcus pneumoniae. In this study, the minimum inhibitory concentrations (MICs) of cefditoren were determined for a special selection of S. pneumoniae isolates known to be susceptible, moderately susceptible or fully resistant to penicillin; these isolates originated from the lower respiratory tract of adults with pneumonia or the upper respiratory tract of children with or without symptoms of infection. Some of this latter group of isolates exhibited extremely high MICs to penicillin (³32 mg/l), whereas the MICs of cefditoren did not exceed 2 mg/l. The MIC50 and MIC90 of cefditoren proved to be 0.25 and 1.0 mg/l, respectively, with a range of MICs £0.015-2.0 mg/l for all the tested S. pneumoniae isolates. Its good activity suggests that cefditoren is expected to be a potent drug in infections caused by penicillin-resistant and multidrug-resistant S. pneumoniae.

Item Type: Article
Subjects: Q Science / természettudomány > QR Microbiology / mikrobiológia
Depositing User: xFruzsina xPataki
Date Deposited: 11 Sep 2017 17:03
Last Modified: 11 Sep 2017 17:03
URI: http://real.mtak.hu/id/eprint/62221

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