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  • Activity of the Diaminopyrimidine AR-709 against recently collected multidrug-resistant isolates of invasive Streptococcus pneumoniae from North America.

Activity of the Diaminopyrimidine AR-709 against recently collected multidrug-resistant isolates of invasive Streptococcus pneumoniae from North America.

Antimicrobial agents and chemotherapy (2008-01-09)
Roseanne A Ressner, Matthew R Moore, James H Jorgensen
ABSTRACT

Broth microdilution was used to determine the MICs of AR-709 and comparator antimicrobial agents for 224 invasive multidrug-resistant isolates of Streptococcus pneumoniae. AR-709 was highly active, with a MIC 50 of 0.25 microg/ml, a MIC 90 of 0.5 microg/ml, and a range of <or=0.008 microg/ml to 1 microg/ml.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Amoxicillin, 95.0-102.0% anhydrous basis
Sigma-Aldrich
Erythromycin, potency: ≥850 μg per mg
Sigma-Aldrich
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Sigma-Aldrich
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