Comparison of in-vitro and in-vivo activities of enoxacin and ofloxacin against the Mycobacterium tuberculosis

Xu, G.; Li, H.; Liu, S.

Zhonghua Jie he He Hu Xi Za Zhi 18(3): 175-177; 192


ISSN/ISBN: 1001-0939
PMID: 8565090
Accession: 009799197

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Enoxacin (ENX) showed a moderate degree of activities in vitro against Mycobacterium tuberculosis in modified Saunton medium and modified Lowenstein-Jensen Medium with MICs from 1 to 8micrograms/ml. Ofloxacin (OFLX) is superior to ENX, with MICs from 0.5 to 2.0micrograms/ml. In terms of median survival time (ST50), ENX at doses both 3mg (about 150mg/kg) daily and 6mg (about 300mg/kg) intermittently were inactive (P > 0.05) against M. tuberculosis infection in mice. OFLX at the same doses all were very significantly effective (P < 0.01).