Meropenem-Vaborbactam as Salvage Therapy for Ceftazidime-Avibactam-, Cefiderocol-Resistant ST-512 Klebsiella pneumoniae–Producing KPC-31, a D179Y Variant of KPC-3
Author(s) -
Giusy Tiseo,
Marco Falcone,
Alessandro Leonildi,
Cesira Giordano,
Simona Barnini,
Gabriele Arcari,
Alessandra Carattoli,
Francesco Menichetti
Publication year - 2021
Publication title -
open forum infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.546
H-Index - 35
ISSN - 2328-8957
DOI - 10.1093/ofid/ofab141
Subject(s) - ceftazidime/avibactam , klebsiella pneumoniae , meropenem , medicine , avibactam , ceftazidime , microbiology and biotechnology , bacteremia , salvage therapy , pseudomonas aeruginosa , antibiotics , antibiotic resistance , biology , chemotherapy , escherichia coli , bacteria , gene , genetics
A 68-year-old man had recurrent bacteremia by Klebsiella pneumoniae carbapenemase (KPC)–producing K. pneumoniae resistant to ceftazidime-avibactam and cefiderocol. The sequencing of a target region showed that it harbored a KPC-3 variant enzyme (D179Y; KPC-31), which confers resistance to ceftazidime-avibactam and restores meropenem susceptibility. The patient was successfully treated with meropenem-vaborbactam.
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