YAKHAK HOEJI (약학회지)

The Pharmaceutical Society of Korea (대한약학회)
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Evaluation of in Vitro and in Vivo Antibacterial Activity of DWQ-217, a Fluoroquinolone

Fluoroquinolone계 항생제인 DWQ-217의 in vitro와 in vitro 항균작용

  • Published : 1995.08.01
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Abstract

The in vitro and in vivo antibacterial activities of DWQ-217 (1-cyclopropyl-6-fluoro-8-chloro-7-(3-amino-4-methylthiomethylpyrrolidinyl )-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid) were compared with those of ciprofloxacin (CPFX) and vancomycin(VCM). DWQ-217 was superior to those of CPFX and VCM against gram positive bacteria. DWQ-217 showed excellent activity against MRSA (MIC of methicillin; $\geq$12.5 $\mu\textrm{g}$/ml), MIC$_{90}$=0.013. DWQ-217 possessed strong bactericidal action against gram positive and gram negative strains by MIC/MBC test and killing curve. DWQ-217 and CPFX were administered orally and subcutaneously to mice infected systematically with S. aureus and S. pyogenes, DWQ-217 was $\geq$5-16 fold(p.o.) and $\geq$3-5 fold(s.c.) more active than CPFX.

Keywords

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