Table 1.
Minimum Inhibitory Concentrations (MICs) against drug-resistant pathogens
Organism information | Peptides and comparator antibiotics (µg/ml) | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lab no./Strain ID | Organism | Resistances | Cip/Lev (L) | L-1 | L-2 | L-3 | P4 | P5 | P8 | P10 | P11 | P12 | P15a | P15s | Van | Mup |
EMRSA-15 | S. aureus | MRSA, Cip | >256 | 32 | 32 | 32 | 128 | 64 | 64 | 250 | 250 | 250 | 128 | 2 | ||
ATCC 33591 | S. aureus | MRSA | 16 | 128 | 64 | 2 | ||||||||||
USA300 BAA-1717 | S. aureus | MRSA | 8 | 256 | 64 | 2 | 0.12 | |||||||||
Q14-0320 | S. aureus | MRSA | 64 | 32 | >128 | 128 | >128 | >128 | >128 | >128 | 64 | 64 | >128 | >128 | ||
Q14-0325 | S. aureus | MRSA | 0.25 | 32 | >128 | 128 | >128 | 128 | 128 | >128 | 32 | 64 | >128 | 64 | ||
Q14-0352 | S. aureus | MRSA | 0.5 | 32 | >128 | 128 | >128 | >128 | 128 | >128 | 32 | 64 | >128 | >128 | ||
Q14-0390 | S. aureus | MRSA | 64 | 32 | >128 | 128 | >128 | 128 | 128 | >128 | 32 | 64 | >128 | >128 | ||
NCTC 12493 | S. aureus | MRSA | 0.25 | 16 | 64 | 64 | 32 | 64 | 32 | >128 | 32 | 16 | >128 | 64 | ||
ATCC 29213 | S. aureus | Sensitive | 0.25 | 32 | >128 | 128 | >128 | 128 | 128 | >128 | 32 | 64 | >128 | >128 | ||
RN4220 | S. aureus | Sensitive | >256 | 32 | 32 | 32 | 128 | 64 | 64 | 256 | 256 | 256 | 128 | 1 | ||
Q14-0095 | K. pneumoniae | KPC | 16 | 32 | >128 | 32 | >128 | 128 | >128 | >128 | >128 | >128 | >128 | 128 | ||
Q14-0146 | K. pneumoniae | OXA-48 | >128 | 32 | 64 | 64 | >128 | >128 | >128 | >128 | >128 | >128 | >128 | 128 | ||
Q14-0285 | K. pneumoniae | VIM | 32 | 16 | 64 | 64 | 64 | 128 | 128 | >128 | >128 | >128 | >128 | 128 | ||
Q14-0251 | K. pneumoniae | CTX-M | 16 | 16 | 64 | 64 | >128 | >128 | >128 | >128 | 128 | 128 | >128 | 128 | ||
ATCC 700603 | K. pneumoniae | SHV-18 | 0.25 | 16 | 64 | 32 | 128 | >128 | 128 | >128 | 128 | 64 | >128 | 128 | ||
NCTC 13442 | K. pneumoniae | OXA-48 | 1 | 16 | 128 | 32 | >128 | 128 | >128 | >128 | 128 | >128 | >128 | 128 | ||
K. pneumoniae | Sensitive | 0.03 | 16 | 128 | 32 | >128 | >128 | >128 | >128 | 128 | >128 | >128 | >128 | |||
Q13-0717 | A. baumanii | IMI, MER | 16 | 4 | 8 | 32 | >128 | 32 | 64 | >128 | 64 | 64 | >128 | 128 | ||
Q13-0795 | A. baumanii | IMI, MER | 16 | 4 | 8 | 32 | >128 | 32 | 64 | >128 | 64 | 64 | 128 | 64 | ||
1560739339 | A. baumanii | OXA-23 | 128 | 4 | 16 | 32 | >128 | 128 | 64 | >128 | 128 | 64 | 128 | 128 | ||
Q12-0809 | A. baumanii | OXA-23, OXA-51 | 128 | 4 | 8 | 16 | 32 | 64 | 32 | 64 | 128 | 32 | 128 | 128 | ||
Q12-0867 | A. baumanii | Sensitive | 0.25 | 4 | 8 | 8 | 64 | 16 | 64 | 128 | 32 | 16 | 128 | 64 | ||
Q14-0208 | P. aeruginosa (CF) | CAZ, IMI, MER | 4 | 16 | 32 | 32 | >128 | 128 | 64 | >128 | 64 | 64 | 128 | 128 | ||
Q14-0890 | P. aeruginosa (CF) | CAZ, IMI, MER | 4 | 32 | 64 | 16 | 64 | 64 | 32 | 128 | 16 | 32 | 128 | 64 | ||
Q12-0535 | P. aeruginosa (CF) | Sensitive | 0.06 | 64 | 128 | 128 | >128 | 128 | 128 | 125 | 128 | 32 | 128 | 128 | ||
Q12-0581 | P. aeruginosa (CF) | IMI, MER | 2 | 32 | 128 | 32 | 128 | 64 | 128 | >128 | 32 | 128 | 128 | 64 | ||
Q12-0758 | P. aeruginosa (CF) | CAZ, IMI, MER | 2 | 32 | 64 | 32 | 128 | 128 | 128 | >128 | 32 | 128 | 128 | 64 | ||
ATCC 27853 | P. aeruginosa (CF) | Sensitive | 0.25 | 64 | >128 | 128 | >128 | 128 | >128 | >128 | >128 | 128 | 128 | 128 | ||
PA01 | P. aeruginosa (CF) | 0.5 | 32 | 128 | 32 | 512 | 64 | 32 | 512 | 512 | 512 | 128 | ||||
AMT0060 | P. aeruginosa (CF) | 0.06 (L) | 32 | 64 | 128 | >512 | 64 | |||||||||
C3719 | P. aeruginosa (CF) | < 0.03 (L) | 64 | 32 | 16 | >512 | 32 | |||||||||
LESB58 | P. aeruginosa (CF) | 0.06 (L) | 64 | 256 | 32 | >512 | 128 | |||||||||
M15U114296A | C. coli | Cip, Tet, Ery, Amox, Gent | >128 | 64 | >128 | 128 | >128 | 128 | >128 | >128 | >128 | >128 | 128 | 128 | ||
M15U114452A | C. coli | Cip, Cla, Ery | >128 | 64 | >128 | 128 | >128 | 128 | >128 | >128 | >128 | >128 | 128 | 128 | ||
M16U109179A | C. jejuni | Azith, Cip, Ery, Tet | >128 | 64 | >128 | 128 | >128 | 128 | >128 | >128 | >128 | >128 | 128 | 128 | ||
M16U109568A | C. jejuni | Cip | 128 | 64 | >128 | 64 | >128 | 128 | >128 | >128 | >128 | >128 | 128 | 128 | ||
NCTC 11351 | C. jejuni | 64 | >128 | 128 | >128 | 128 | >128 | >128 | >128 | >128 | 128 | 128 | ||||
NCTC 11161 | C. jejuni | 0.5 | 4 | 32 | 256 | |||||||||||
ATCC 33292 | C. jejuni | 0.12 | 4 | 32 | 64 | |||||||||||
K12 | E. coli | 0.06 | 32 | 64 | 64 | 64 | 64 | 64 | 256 | 256 | 256 | 64 | 128 | |||
SL1344 | Sal. typhimurium | 0.12 | 32 | 32 | 64 | 32 | 64 | 32 | 64 | 512 | 256 | 128 | 256 | |||
JH2-2 | Ent. faecalis | 64 | 32 | 32 | 64 | 64 | 64 | 64 | 512 | 256 | 256 | 128 | 64 | |||
NCTC 11994 | List. monocytogenes | 64 | 32 | 32 | 32 | 64 | 64 | 64 | 512 | 256 | 128 | 128 | 64 |
Blank: not tested
L-1, L-2 and L-3 Lynronne-1, 2 and 3, P4-P15a: peptides 4–15a, Lev (L) Levofloxacin, Cip Ciprofloxacin, Van Vancomycin, Mup Mupirocin, KPC Klebsiella pneumoniae carbapenemase, OXA Oxacillin, VIM Metallo-β-Lactamase gene, CTX-M extended spectrum β-Lactamase, SHV-18 β-Lactamase, IMI (imipenem), MER (meropenem), CAZ (ceftazidime), Tet Tetracycline, Ery Erythromycin, Amox Amoxicillin, Gent Gentamicin, Azith Azithromycin, Cla Clarithromycin