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Impact of β-Lactamase Inhibition on the Activity of Ceftaroline against Mycobacterium tuberculosis and Mycobacterium abscessus
被引:36
|作者:
Dubee, Vincent
[1
,2
,3
,4
]
Soroka, Daria
[1
,2
,3
]
Cortes, Melanie
[1
,2
,3
]
Lefebvre, Anne-Laure
[1
,2
,3
]
Gutmann, Laurent
[1
,2
,3
,5
]
Hugonnet, Jean-Emmanuel
[1
,2
,3
]
Arthur, Michel
[1
,2
,3
]
Mainardi, Jean-Luc
[1
,2
,3
,5
]
机构:
[1] INSERM, LRMA, Ctr Rech Cordeliers, Equipe 12,UMR S 1138, Paris, France
[2] Univ Paris 06, Sorbonne Univ, Ctr Rech Cordeliers, UMR S 1138, Paris, France
[3] Univ Paris 05, Ctr Rech Cordeliers, Sorbonne Paris Cite, UMR S 1138, Paris, France
[4] Hop St Antoine, AP HP, Serv Reanimat Med, F-75571 Paris, France
[5] Hop Europeen Georges Pompidou, AP HP, Paris, France
关键词:
MASSILIENSE;
CEPHALOSPORIN;
INFECTIONS;
ACID;
D O I:
10.1128/AAC.05080-14
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
The production of beta-lactamases BlaMab and BlaC contributes to beta-lactam resistance in Mycobacterium abscessus and Mycobacterium tuberculosis, respectively. Ceftaroline was efficiently hydrolyzed by these enzymes. Inhibition of M. tuberculosis BlaC by clavulanate decreased the ceftaroline MIC from >= 256 to 16 to 64 mu g/ml, but these values are clinically irrelevant. In contrast, the ceftaroline-avibactam combination should be evaluated against M. abscessus since it inhibited growth at lower and potentially achievable drug concentrations.
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页码:2938 / 2941
页数:4
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