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Am Rev Respir Dis. 1985 Mar;131(3):348-51.

In vitro antituberculosis activity of a new antibacterial substance ofloxacin (DL8280).

Abstract

A new antituberculosis agent, ofloxacin (DL8280), inhibited the growth of Mycobacterium tuberculosis at concentrations of 0.63 to 1.25 micrograms/ml. There were no cross-resistance relationships between this agent and other antituberculosis agents. The agent delayed the growth rate of M. tuberculosis (strain H37Rv) at concentrations of 0.2 to 0.5 microgram/ml. It showed considerable bactericidal activity at concentrations a little higher than the growth-inhibitory concentration. The combined effect with other antituberculosis agents seemed to be additive. The pattern of resistance that developed with this agent was the obligatory two-step pattern, and there were 2 resistant phenotypes.

PMID:
3919625
DOI:
10.1164/arrd.1985.131.3.348
[Indexed for MEDLINE]

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