PMID: 30226954Aug 1, 2016Paper

Investigations on yearly changes in tebipenem susceptibility of bacterial isolates from pediatric patients -A post-marketing surveillance of tebipenem pivoxil granules for pediatric

The Japanese journal of antibiotics
Toshie SuganoTakashi Ida

Abstract

We conducted the post-marketing surveillance of tebipenem pivoxil (Orapeneme fine granules 10% for pediatric), an oral carbapenem antibacterial agent, to investigate changes in bacterial susceptibility against tebipenem (TBPM). Bacterial strains used in this surveillance were methicillin-susceptible Staphylococcus aureus (MSSA: 303 strains), Streptococcus pneumoniae (554 strains), other Streptococcus spp. (242 strains: including Streptococcus pyogenes 133 strains), Moraxella catarrhalis (306 strains) and Haemophilus influenzae (506 strains) isolated from pediatric patients in 15 medical facilities in Japan between April 2010 and March 2015. Investigation was conducted three times (April 2010-March 2011, April 2012-March 2013 and April 2014-March 2015), and in any of these investigation periods, there were a large number of isolates from infants in terms of the frequency of isolates by age. The MIC90s of TBPM against MSSA, S. pneumoniae, other Streptococcus spp., M. catarrhalis and H. influenzae in these investigations were 0.015-0.03, 0.06, 0.008-0.015 (0.002 for S. pyogenes), 0.03 and 0.5-1 μg/mL, respectively, which were less than 2-fold, and a remarkable increase in MIC90 was not shown. On the other hand, the MIC50s of carba...Continue Reading

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