In vivo efficacy of novel monobactam LYS228 in murine models of carbapenemase-producing Klebsiella pneumoniae infection [Pharmacology]

LYS228 has potent antibacterial activity against carbapenem-resistant strains of Enterobacteriaceae. LYS228 was efficacious in neutropenic thigh models established with K. pneumoniae producing either KPC-2 or NDM-1; pre-treatment with uranyl nitrate considerably shifted calculated static doses of LYS228. In murine ascending pyelonephritis, LYS228 reduced bacterial burden in the kidney, urine and bladder. The successful treatment of murine infection models established with carbapenem resistant K. pneumoniae further supports the clinical development of LYS228.

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