| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Enterococcus faecium |
>500 |
>1000 |
≤500 － >1000 |
Gentamicin (Gentamycin, Garamycin)  |
472 |
| Enterococcus faecium |
>1000 |
>2000 |
≤1000 － >2000 |
Streptomycin |
472 |
| Enterococcus faecium |
>1024 |
>1024 |
>1024 － ? |
Metronidazole (Flagyl) |
1564 |
| Enterococcus faecium |
>2048 |
>2048 |
32 － >2048 |
Streptomycin |
178 |
| Enterococcus faecium |
- |
1 |
? － ? |
Sparfloxacin (AT-4140, Zagam) |
341 |
| Enterococcus faecium |
- |
2 |
? － ? |
Clinafloxacin (PD 127391) |
341 |
| Enterococcus faecium |
- |
2 |
? － ? |
Linezolid (PNU-100766, U-100766, Zyvox) |
1358 |
| Enterococcus faecium |
- |
2 |
? － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
341 |
| Enterococcus faecium |
- |
2 |
? － ? |
Trovafloxacin (Trovan) |
341 |
| Enterococcus faecium |
- |
4 |
0.5 － 4 |
Linezolid (PNU-100766, U-100766, Zyvox) |
726 |
| Enterococcus faecium |
- |
4 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
341 |
| Enterococcus faecium |
- |
4 |
? － ? |
Daptomycin (Cubicin) |
1358 |
| Enterococcus faecium |
- |
4 |
? － ? |
Gatifloxacin (Tequin) |
341 |
| Enterococcus faecium |
- |
4 |
? － ? |
LBM415 (NVP-PDF-713, VIC-10495) |
239 |
| Enterococcus faecium |
- |
8 |
? － ? |
Grepafloxacin (Raxar) |
341 |
| Enterococcus faecium |
>- |
>16 |
? － ? |
Ceftaroline |
1358 |
| Enterococcus faecium |
>- |
>16 |
? － ? |
Levofloxacin (Levaquin, Quixin) |
341 |
| Enterococcus faecium |
>- |
>16 |
? － ? |
Ofloxacin (Floxin) |
341 |
| Enterococcus faecium |
>- |
>16 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
1358 |
| Enterococcus faecium |
>- |
>32 |
? － ? |
RWJ-333441 |
1111 |
| Enterococcus faecium |
- |
- |
≤0.05 － 12.5 |
Enrofloxacin |
1030 |
| Enterococcus faecium |
- |
- |
≤0.05 － 100 |
Ampicillin (Omnipen) |
1030 |
| Enterococcus faecium |
- |
- |
0.05 － ? |
Coumermycin |
1119 |
| Enterococcus faecium |
- |
- |
0.1 － >100 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1030 |
| Enterococcus faecium |
- |
- |
0.125 － 16 |
Pristinamycin IIA (Virginiamycin M1, Mikamycin A) |
1038 |
| Enterococcus faecium |
- |
- |
0.2 － 6.25 |
Vancomycin (Vancocyn, Lyphocin) |
1030 |
| Enterococcus faecium |
- |
- |
0.2 － 25 |
Ofloxacin (Floxin) |
1030 |
| Enterococcus faecium |
- |
- |
0.39 － 50 |
Virginiamycin |
1030 |