期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 17, 期 2, 页码 503-511出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2008.12.006
关键词
-
资金
- Portuguese Foundation for Science and Technology [BDE/15554/2005]
Clinical utility of rifabutin 1 (RBT), a potent antibiotic used in multidrug regimens for tuberculosis (TB) as well as for infections caused by Mycobacterium avium complex (MAC), has been hampered due to dose-limiting toxicity. RBT analogs 2-11 were synthesized and evaluated against M. avium 1581 and Mycobacterium tuberculosis susceptible and resistant strains in vitro. A selection of candidates were also assayed against non-replicating persistent (NRP) M. tuberculosis. Subsequent in vivo studies with the best preclinical candidate drugs 5 and 8, in a model of progressive pulmonary tuberculosis of Balb/C mice infected either with H(37)Rv drug-sensible strain or with multidrug resistant (MDR) clinical isolates, resistant to all primary antibiotics including rifampicin, were performed. The results disclosed here suggest that 5 and 8 have potential for clinical application. (C) 2008 Elsevier Ltd. All rights reserved.
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