Activity of azithromycin against Mycobacterium avium infection in beige mice.
AUTOR(ES)
Cynamon, M H
RESUMO
The comparative activities of azithromycin and clarithromycin and the activities of azithromycin alone and in combination with other antimycobacterial agents were evaluated in the beige mouse model of disseminated Mycobacterium avium complex infection. Azithromycin was similar in activity to clarithromycin. Azithromycin plus clofazimine plus ethambutol reduced the number of splenic organisms more than azithromycin alone, while the combination was less active than azithromycin alone for bacteria in lungs. Rifabutin had activity similar to that of azithromycin for organisms in spleens and lungs. Rifabutin plus azithromycin was more active than either agent alone for organisms in spleens, but the combination's activity was not significantly different from that of rifabutin for organisms in lungs. The activity of azithromycin against several M. avium complex isolates was evaluated. The reduction of viable cell counts in spleens ranged from 1.7 to 0.8 log units. For the three isolates studied, there was little correlation between the in vitro MIC and the in vivo activity.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=192015Documentos Relacionados
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