Journal of Antimicrobial Chemotherapy (2001) 48, 279-281
© 2001 The British Society for Antimicrobial Chemotherapy
Brief report |
In vitro activity of cefditoren against clinical isolates of penicillin-susceptible and penicillin-intermediate strains of Streptococcus pneumoniae isolated in Germany, 19921998
Institute of Medical Microbiology and National Reference Center for Streptococci, University Hospital (RWTH) Aachen, Pauwelsstrasse 30, D-52057 Aachen, Germany
This study investigates the susceptibility to cefditoren of penicillin-susceptible strains of invasive Streptococcus pneumoniae (n = 312) and of penicillin-intermediate strains of S. pneumoniae (n = 30) isolated mainly from patients with respiratory tract infections. The MIC90s of penicillin-susceptible and -intermediate isolates were as follows: cefditoren,
0.06 and 1 mg/L; penicillin G,
0.06 and 0.5 mg/L. Cefditoren showed the highest activity against the penicillin-intermediate strains investigated compared with the other ß-lactam antibiotics and is therefore considered to be a promising agent for the treatment of infections caused by pneumococci with reduced penicillin susceptibility.
Corresponding author. Tel: +49-241-8088409; Fax: +49-241-8888483; E-mail: Reinert{at}rwth-aachen.de