Unexpected In Vivo Activity of Ceftazidime Alone and in Combination with Avibactam against New Delhi Metallo-β-Lactamase-Producing Enterobacteriaceae in a Murine Thigh Infection Model

Abstract excerpt

The emergence of the New Delhi metallo-β-lactamase (NDM) among Enterobacteriaceae has become a global concern because of its high levels of in vitro resistance to nearly all available antibiotics. However, recent in vivo studies demonstrated the efficacies of carbapenems against NDM-1-producing isolates despite high MICs. Herein, we report in vivo findings with ceftazidime and ceftazidime-avibactam against an...

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