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Efficacy of colistin alone and in various combinations for the treatment of experimental osteomyelitis due to carbapenemase-producing Klebsiella pneumoniae

Crémieux, Anne-Claude ; Dinh, Aurélien ; Nordmann, Patrice ; Mouton, William ; Tattevin, Pierre ; Ghout, Idir ; Jayol, Aurelie ; Aimer, Omar ; Gatin, Laure ; Verdier, Marie-Clémence ; Saleh-Mghir, Azzam ; Laurent, Frédéric

In: Journal of Antimicrobial Chemotherapy, 2019, vol. 74, no. 9, p. 2666–2675

Objectives: In a new experimental model of carbapenemase-producing Klebsiella pneumoniae osteomyelitis we evaluated the efficacy of colistin alone and in various combinations and examined the emergence of colistin-resistant strains and cross- resistance to host defence peptides (HDPs).Methods: KPC-99YC is a clinical strain with intermediate susceptibility to meropenem (MIC = 4 mg/L) and...