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In Vitro Activity of Cefiderocol, a Novel Siderophore Cephalosporin, against Gram-Negative Bacilli Isolated from Patients in Canadian Intensive Care Units. 2020

Alyssa R Golden, and Heather J Adam, and Melanie Baxter, and Andrew Walkty, and Philippe Lagacé-Wiens, and James A Karlowsky, and George G Zhanel
Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, 727 McDermot Avenue, Winnipeg, Manitoba, R3E 3P5, Canada. Electronic address: alyssa.golden@umanitoba.ca.

The in vitro activity of cefiderocol was evaluated against Gram-negative bacilli isolated from patients in Canadian intensive care units from 2015 to 2017 using the Clinical and Laboratory Standards Institute (CLSI) broth microdilution method and interpretive criteria. All 800 isolates of Gram-negative bacilli tested were susceptible to cefiderocol (MIC ≤4 μg/ml), including isolates of ESBL-producing (n=40), AmpC-producing (n=6), and carbapenem-nonsusceptible (n=21) Enterobacterales, carbapenem-nonsusceptible (n=54) and multidrug-resistant (n=29) Pseudomonas aeruginosa, Stenotrophomonas maltophilia (n=66), and Acinetobacter baumannii (n=11).

UI MeSH Term Description Entries
D007362 Intensive Care Units Hospital units providing continuous surveillance and care to acutely ill patients. ICU Intensive Care Units,Intensive Care Unit,Unit, Intensive Care
D008826 Microbial Sensitivity Tests Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specific microorganisms (i.e., bacteria, fungi, viruses). Bacterial Sensitivity Tests,Drug Sensitivity Assay, Microbial,Minimum Inhibitory Concentration,Antibacterial Susceptibility Breakpoint Determination,Antibiogram,Antimicrobial Susceptibility Breakpoint Determination,Bacterial Sensitivity Test,Breakpoint Determination, Antibacterial Susceptibility,Breakpoint Determination, Antimicrobial Susceptibility,Fungal Drug Sensitivity Tests,Fungus Drug Sensitivity Tests,Sensitivity Test, Bacterial,Sensitivity Tests, Bacterial,Test, Bacterial Sensitivity,Tests, Bacterial Sensitivity,Viral Drug Sensitivity Tests,Virus Drug Sensitivity Tests,Antibiograms,Concentration, Minimum Inhibitory,Concentrations, Minimum Inhibitory,Inhibitory Concentration, Minimum,Inhibitory Concentrations, Minimum,Microbial Sensitivity Test,Minimum Inhibitory Concentrations,Sensitivity Test, Microbial,Sensitivity Tests, Microbial,Test, Microbial Sensitivity,Tests, Microbial Sensitivity
D011550 Pseudomonas aeruginosa A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. aeruginosa is a major agent of nosocomial infection. Bacillus aeruginosus,Bacillus pyocyaneus,Bacterium aeruginosum,Bacterium pyocyaneum,Micrococcus pyocyaneus,Pseudomonas polycolor,Pseudomonas pyocyanea
D002170 Canada The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.
D002511 Cephalosporins A group of broad-spectrum antibiotics first isolated from the Mediterranean fungus ACREMONIUM. They contain the beta-lactam moiety thia-azabicyclo-octenecarboxylic acid also called 7-aminocephalosporanic acid. Antibiotics, Cephalosporin,Cephalosporanic Acid,Cephalosporin,Cephalosporin Antibiotic,Cephalosporanic Acids,Acid, Cephalosporanic,Acids, Cephalosporanic,Antibiotic, Cephalosporin,Cephalosporin Antibiotics
D004755 Enterobacteriaceae A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. Its organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites. Many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock. Coliform Bacilli,Enterobacteria,Ewingella,Leclercia,Paracolobactrum,Sodalis
D006090 Gram-Negative Bacteria Bacteria which lose crystal violet stain but are stained pink when treated by Gram's method. Gram Negative Bacteria
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000097602 Cefiderocol A siderophore cephalosporin with enhanced activity against GRAM-NEGATIVE AEROBIC BACTERIA. Cefiderocol Sulfate Tosylate,Fetroja,S-649266,S 649266,S649266
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial

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