Table 2.
MIC distribution of Eravacycline and relevant antibiotics against E. coli and E. cloacae of different resistance characteristics
Organism | Antibiotics | Carbapenem resistant a | ESBL | Sensitive b | ||||||
---|---|---|---|---|---|---|---|---|---|---|
MIC50 | MIC90 | Range | MIC50 | MIC90 | Range | MIC50 | MIC90 | Range | ||
E.coli | Eravacycline | 0.5 | 1 | 0.064–2 | 0.125 | 0.25 | 0.064–0.25 | 0.064 | 0.125 | 0.064–0.25 |
Tigecycline | 1 | 2 | 0.25–4 | 0.25 | 0.5 | 0.25–0.5 | 0.25 | 0.25 | 0.125–0.5 | |
Piperacillin/Tazobactam | 256 | 256 | 2–256 | 2 | 8 | 1–256 | 1 | 2 | 0.5–2 | |
Cefoxitin | 256 | 256 | 64–256 | 8 | 32 | 4–32 | 2 | 4 | 2–8 | |
Ceftazidime | 256 | 256 | 0.5–256 | 32 | 64 | 16–128 | 0.064 | 0.25 | 0.064–0.25 | |
Cefoperazone/Sulbactam | 256 | 256 | 8–256 | 16 | 32 | 8–256 | 0.25 | 1 | 0.064–4 | |
Ceftriaxone | 256 | 256 | 2–256 | 256 | 256 | 64–256 | 0.032 | 0.064 | 0.016–0.064 | |
Cefotaxime | 256 | 256 | 4–256 | 256 | 256 | 64–256 | 0.032 | 0.064 | 0.032–0.064 | |
Cefepime | 64 | 256 | 0.25–256 | 32 | 64 | 8–128 | 0.016 | 0.032 | 0.016–0.064 | |
Ertapenem | 32 | 32 | 16–32 | 0.125 | 0.25 | 0.016–1 | 0.016 | 0.016 | 0.016–0.016 | |
Imipenem | 8 | 32 | 8–64 | 0.125 | 0.125 | 0.125–1 | 0.125 | 0.125 | 0.064–0.125 | |
Meropenem | 8 | 32 | 4–32 | 0.032 | 0.064 | 0.016–0.064 | 0.016 | 0.016 | 0.016–0.016 | |
Amikacin | 4 | 256 | 0.5–256 | 2 | 4 | 1–8 | 2 | 2 | 1–4 | |
Minocycline | 8 | 16 | 0.5–16 | 1 | 8 | 0.5–16 | 1 | 2 | 0.5–8 | |
Ciprofloxacin | 64 | 64 | 0.064–64 | 32 | 64 | 0.25–64 | 4 | 32 | 0.016–32 | |
Levofloxacin | 16 | 64 | 0.125–128 | 16 | 32 | 0.5–64 | 8 | 8 | 0.032–16 | |
Moxifloxacin | 16 | 32 | 0.5–64 | 16 | 32 | 0.5–64 | 8 | 16 | 0.032–16 | |
E.cloacae | Eravacycline | 0.5 | 0.5 | 0.5–0.5 | 0.25 | 0.5 | 0.125–0.5 | 0.5 | 0.5 | 0.125–1 |
Tigecycline | 2 | 2 | 2–2 | 1 | 1 | 0.125–2 | 0.5 | 2 | 0.5–2 | |
Piperacillin/Tazobactam | 256 | 256 | 256–256 | 4 | 4 | 2–8 | 2 | 64 | 0.5–256 | |
Cefoxitin | 256 | 256 | 256–256 | 8 | 32 | 4–256 | 256 | 256 | 64–256 | |
Ceftazidime | 256 | 256 | 256–256 | 16 | 64 | 16–256 | 0.25 | 64 | 0.064–256 | |
Cefoperazone/Sulbactam | 32 | 32 | 32–32 | 8 | 16 | 4–32 | 0.125 | 32 | 0.016–256 | |
Ceftriaxone | 256 | 256 | 256–256 | 64 | 128 | 16–256 | 0.125 | 128 | 0.016–256 | |
Cefotaxime | 256 | 256 | 256–256 | 64 | 128 | 16–256 | 0.125 | 256 | 0.016–256 | |
Cefepime | 256 | 256 | 256–256 | 8 | 8 | 1–32 | 0.032 | 8 | 0.016–128 | |
Ertapenem | 32 | 32 | 32–32 | 0.032 | 0.064 | 0.016–0.125 | 0.032 | 0.5 | 0.016–16 | |
Imipenem | 32 | 32 | 32–32 | 0.25 | 0.25 | 0.125–0.25 | 0.25 | 1 | 0.125–2 | |
Meropenem | 32 | 32 | 32–32 | 0.016 | 0.032 | 0.016–0.032 | 0.032 | 0.064 | 0.016–4 | |
Amikacin | 256 | 256 | 256–256 | 1 | 2 | 1–8 | 1 | 2 | 0.5–256 | |
Minocycline | 4 | 4 | 4–4 | 4 | 4 | 2–8 | 2 | 4 | 1–64 | |
Ciprofloxacin | 64 | 64 | 64–64 | 2 | 32 | 0.25–64 | 0.032 | 4 | 0.016–64 | |
Levofloxacin | 4 | 4 | 4–4 | 1 | 8 | 0.5–16 | 0.064 | 4 | 0.032–16 | |
Moxifloxacin | 8 | 8 | 8–8 | 2 | 16 | 1–16 | 0.125 | 4 | 0.032–16 |
a: Of the 15 carbapenem resistant E.coli, 5 strains harbored mcr-1 and NDM-5 simultaneously
b: Sensitive strains referred to strains do not have ESBL and carbapenem resistance