Journal
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
Volume 20, Issue 6, Pages 464-467Publisher
ELSEVIER
DOI: 10.1016/S0924-8579(02)00239-X
Keywords
Mycobaeterium tuberculosis; fluorquinolones; linezolid
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The in vitro activity of moxifloxacin, gatifloxacin, levofloxacin and linezolid was evaluated against 234 strains of Mycobacterium tuberculosis isolated in the Southeast of Spain. All drugs tested showed good activity, with an MIC90 of less than I mg/l, and were active against isociacide and rifampicin resistant strains. Three strains were resistant to isoniazid and to the fluoroquinolones, which suggested the existence of mechanisms of resistance not yet described. These new compounds may prove to be therapeutic alternatives for treatment of multi-resistant tuberculosis and further studies should be done to demonstrate their true usefulness. (C) 2002 Elsevier Science B.V. and International Society of Chemotherapy. All rights reserved.
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