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Comparative Study
. 1986 May;29(5):955-7.
doi: 10.1128/AAC.29.5.955.

Comparative evaluation of a new beta-lactamase inhibitor, YTR 830, combined with different beta-lactam antibiotics against bacteria harboring known beta-lactamases

L Gutmann, M D Kitzis, S Yamabe, J F Acar
Comparative Study

Comparative evaluation of a new beta-lactamase inhibitor, YTR 830, combined with different beta-lactam antibiotics against bacteria harboring known beta-lactamases

L Gutmann et al. Antimicrob Agents Chemother. 1986 May.

Abstract

YTR 830, a new beta-lactamase inhibitor, combined with amoxicillin or carbenicillin, showed a synergistic effect similar to that observed with clavulanic acid, and generally better than that with sulbactam, against strains harboring chromosome-encoded penicillinases and broad-spectrum beta-lactamases or plasmid-determined beta-lactamases. With ampicillin, YTR 830 showed the best synergistic activity of the inhibitors against Proteus morganii, Citrobacter freundii, and Enterobacter cloacae and their mutants with a derepressed chromosome-encoded cephalosporinase.

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