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  • Title: In vitro activity of tedizolid against the Mycobacterium abscessus complex.
    Author: Compain F, Soroka D, Heym B, Gaillard JL, Herrmann JL, Dorchène D, Arthur M, Dubée V.
    Journal: Diagn Microbiol Infect Dis; 2018 Mar; 90(3):186-189. PubMed ID: 29217419.
    Abstract:
    Infections due to Mycobacterium abscessus carry a poor prognosis since this rapidly growing mycobacterium is intrinsically resistant to most antibiotics. Here, we evaluate the in vitro activity of the new oxazolidinone tedizolid against a collection of 44M. abscessus clinical isolates. The MIC50s and MIC90s of tedizolid (2 and 8μg/mL, respectively) were 2- to 16-fold lower than those of linezolid. There was no difference between the 3M. abscessus subspecies. Time-kill assays did not show any bactericidal activity at 4- and 8-fold the MIC. Combination of tedizolid with clarithromycin was synergistic against 1 out of 6 isolates, while indifferent interactions were observed for tedizolid combined with tigecycline, ciprofloxacin, and amikacin.
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