期刊
JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY
卷 48, 期 3, 页码 431-434出版社
OXFORD UNIV PRESS
DOI: 10.1093/jac/48.3.431
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资金
- NHLBI NIH HHS [HL 55789] Funding Source: Medline
A Mycobacterium tuberculosis (H37Rv)-infected guinea pig model was used to screen for targeted delivery to the lungs by insufflation (with lactose excipient) or nebulization, of either rifampicin alone, rifampicin within poly(lactide-co-glycolide) microspheres (R-PLGA) or polymer microparticles alone (PLGA). Animals treated with single and double doses of R-PLGA microspheres exhibited significantly reduced numbers of viable bacteria, inflammation and lung damage compared with lactose-, PLGA- or rifampicin-treated animals 28 days post-infection (P < 0.05). Two doses of R-PLGA resulted in reduced splenic enlargement. These studies support the potential of R-PLGA delivered to the lung to treat pulmonary tuberculosis.
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