Microorganism |
MIC50 (μg/ml) |
MIC90 (μg/ml) |
Range (μg/ml) |
Antimicrobial  |
Reference |
Enterococcus faecium (linezolid-resistant) |
2 |
4 |
0.5 - 8 |
TR-700  |
192 |
Enterococcus faecium (linezolid-resistant) |
32 |
64 |
4 - >128 |
Linezolid (PNU-100766, U-100766, Zyvox)  |
192 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
8 - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
108 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
16 - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
108 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
16 - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
108 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
16 - ? |
RWJ-416457  |
189 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
32 - 64 |
Linezolid (PNU-100766, U-100766, Zyvox)  |
189 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
32 - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
108 |
Enterococcus faecium (linezolid-resistant) |
- |
- |
>128 - ? |
Vancomycin (Vancocyn, Lyphocin)  |
189 |
Enterococcus faecium (linezolid-susceptible) |
1 |
1 |
0.25 - 1 |
RWJ-416457  |
189 |
Enterococcus faecium (linezolid-susceptible) |
2 |
4 |
0.5 - 4 |
Linezolid (PNU-100766, U-100766, Zyvox)  |
189 |
Enterococcus faecium (linezolid-susceptible) |
>16 |
>16 |
1 - >16 |
Vancomycin (Vancocyn, Lyphocin)  |
189 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤0.25 - >2 |
Quinupristin/Dalfopristin (Synercid)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
<0.5 - >=8 |
Erythromycin (E-mycin, Ery-tab, Benzamycin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤1 - >2 |
Rifampicin (Rifampin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤1 - >=4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤2 - >=4 |
Levofloxacin (Levaquin, Quixin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤2 - >=8 |
Linezolid (PNU-100766, U-100766, Zyvox)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤2 - >16 |
Vancomycin (Vancocyn, Lyphocin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤4 - >=16 |
Tetracycline (Sumycin, Achromycin V, Steclin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤8 - >8 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)  |
1038 |
Enterococcus faecium (MicroScan automated panel) |
- |
- |
≤8 - >=16 |
Ampicillin (Omnipen)  |
1038 |
Enterococcus faecium (NCTC 7171) |
- |
- |
1 - ? |
Ampicillin (Omnipen)  |
220 |
Enterococcus faecium (NCTC 7171T) |
- |
- |
2 - ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin)  |
220 |
Enterococcus faecium (North America + vancomycin-resistant) |
2 |
2 |
? - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
306 |
Enterococcus faecium (North America + vancomycin-susceptible) |
2 |
2 |
? - ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
306 |
Enterococcus faecium (North America) |
>- |
>8 |
? - ? |
Imipenem  |
284 |
Enterococcus faecium (North America) |
>- |
>8 |
? - ? |
Imipenem  |
284 |