Skip to main content
. 2019 Jun 24;63(7):e00391-19. doi: 10.1128/AAC.00391-19

TABLE 1.

Activities of fidaxomicin and comparative agents versus 1,889 isolates of Clostridium difficile from 2013 to 2016

Antibiotic MIC range (μg/ml) MIC50 (μg/ml) MIC90 (μg/ml) % Resistant
CLSI EUCAST
Fidaxomicin 0.004–1 0.25 0.5 NA NA
Rifaximin ≤0.004 to >4 0.03 0.06 NA NA
Rifampin ≤0.004 to >4 ≤0.004 0.008 NA 29.8
Tigecycline ≤0.06–1 0.12 0.25 0.0 1.0
Vancomycin ≤0.25–8 1 2 NA 6.5
Imipenem ≤0.12–16 4 8 6.2 NA
Moxifloxacin ≤0.5 to >16 2 16 23.2 23.2
Metronidazole ≤0.06–4 0.25 1 0.0 1.3
Clindamycin ≤0.5 to >16 4 16 27.6 NA
Chloramphenicol ≤0.5–16 4 8 0.0 NA