Eravacycline (TP-434) is active in vitro against biofilms formed by uropathogenic Escherichia coli
Abstract
Eravacycline (formerly TP-434) was evaluated in vitro against pre-established biofilms formed by a uropathogenic Escherichia coli strain. Biofilms were eradicated by 0.5 μg/ml eravacycline, which was within 2-fold of the MIC for planktonic cells. In contrast, colistin and meropenem disrupted biofilms at 32 and 2 μg/ml, respectively, concentrations well above their respective MICs of 0.5 and 0.03 μg/ml. Gentamicin and levofloxacin eradicated biofilms at concentrations within 2-fold of their MICs.
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