Comparative in vitro activity of azithromycin, clarithromycin, erythromycin and lomefloxacin againstMycoplasma pneumoniae, Mycoplasma hominis andUreaplasma urealyticum

1990 ◽  
Vol 9 (11) ◽  
pp. 838-841 ◽  
Author(s):  
H. Renaudin ◽  
C. Bébéar
2009 ◽  
Vol 53 (12) ◽  
pp. 5317-5318 ◽  
Author(s):  
Shilpakala Sainath Rao ◽  
Raghavachari Raghunathan ◽  
Malathi Raghunathan ◽  
Ramesh Ekambaram

2008 ◽  
Vol 52 (10) ◽  
pp. 3776-3778 ◽  
Author(s):  
Ken B. Waites ◽  
Donna M. Crabb ◽  
Lynn B. Duffy

ABSTRACT The in vitro susceptibilities of 151 unique clinical isolates of Mycoplasma pneumoniae, Mycoplasma hominis, Mycoplasma fermentans, Mycoplasma genitalium, and Ureaplasma species to DC-159a, an investigational fluoroquinolone, in comparison with those to other agents were determined. Macrolides were the most active agents against M. pneumoniae and M. genitalium, whereas clindamycin was most active against M. hominis. DC-159a MICs were ≤0.5 μg/ml for all Mycoplasma species and ≤4 μg/ml for ureaplasmas. DC-159a was the most active fluoroquinolone tested against M. pneumoniae and M. fermentans, and it was second to moxifloxacin against the other species. It was bactericidal against 10 M. pneumoniae isolates and demonstrated killing of ≥99.9% of the inoculum at 24 h for 2 isolates. The excellent in vitro activity of DC-159a demonstrates its potential for use in the treatment of infections due to mycoplasmas and ureaplasmas.


2000 ◽  
Vol 44 (9) ◽  
pp. 2557-2560 ◽  
Author(s):  
C. M. Bebear ◽  
H. Renaudin ◽  
A. Charron ◽  
D. Gruson ◽  
M. Lefrancois ◽  
...  

ABSTRACT The in vitro activity of trovafloxacin against 125 strains ofMycoplasma species and Ureaplasma urealyticum, including fluoroquinolone-susceptible and fluoroquinolone-resistant species, was compared to those of other fluoroquinolones, doxycycline, and erythromycin. The MIC at which 90% of isolates are inhibited for all fluoroquinolone-susceptible strains was 0.25 μg/ml. Whatever the associated mutations, trovafloxacin exhibited greater activity than the other fluoroquinolones tested against fluoroquinolone-resistantMycoplasma hominis and U. urealyticum isolates.


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