| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Enterococcus faecium (erythromycin-resistant + vancomycin-susceptible) |
>256 |
>256 |
0.12 － >256 |
Clindamycin (Cleocin)  |
448 |
| Enterococcus faecium (erythromycin-resistant + vancomycin-susceptible) |
>512 |
>512 |
1 － >512 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
448 |
| Enterococcus faecium (erythromycin-resistant) |
4 |
8 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Enterococcus faecium (erythromycin-susceptible + vancomycin-susceptible) |
- |
- |
0.015 － 0.03 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
448 |
| Enterococcus faecium (erythromycin-susceptible + vancomycin-susceptible) |
- |
- |
0.015 － ? |
HMR 3004 (RU 64004) |
448 |
| Enterococcus faecium (erythromycin-susceptible + vancomycin-susceptible) |
- |
- |
0.12 － 0.5 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
448 |
| Enterococcus faecium (erythromycin-susceptible + vancomycin-susceptible) |
- |
- |
0.12 － 16 |
Clindamycin (Cleocin) |
448 |
| Enterococcus faecium (erythromycin-susceptible + vancomycin-susceptible) |
- |
- |
0.5 － 8 |
Quinupristin/Dalfopristin (Synercid) |
448 |
| Enterococcus faecium (Europe) |
- |
4 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
284 |
| Enterococcus faecium (Europe) |
- |
64 |
? － ? |
Imipenem |
284 |
| Enterococcus faecium (Europe) |
>- |
>128 |
? － ? |
Cefotaxime (Cephotaxime, Claforan) |
284 |
| Enterococcus faecium (Europe) |
>- |
>128 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
284 |
| Enterococcus faecium (Europe) |
- |
128 |
? － ? |
Meropenem (Merrem) |
284 |
| Enterococcus faecium (Europe) |
>- |
>128 |
? － ? |
Piperacillin (Pipracil) |
284 |
| Enterococcus faecium (Europe) |
>- |
>128 |
? － ? |
Zosyn |
284 |
| Enterococcus faecium (F229) |
- |
- |
812 － ? |
Psittacanthus cuneifolius |
883 |
| Enterococcus faecium (F229) |
- |
- |
863 － ? |
Leonurus sibiricus |
883 |
| Enterococcus faecium (F229) |
- |
- |
881 － ? |
Tripodanthus acutifolius |
883 |
| Enterococcus faecium (GC 2243 + van(A)) |
- |
- |
0.125 － ? |
AC98-6446 |
175 |
| Enterococcus faecium (GC 2243 + van(A)) |
- |
- |
2 － ? |
Levofloxacin (Levaquin, Quixin) |
175 |
| Enterococcus faecium (GC 2243) |
- |
- |
2 － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
209 |
| Enterococcus faecium (GC 2243) |
- |
- |
2 － ? |
Saccharomicin A |
209 |
| Enterococcus faecium (GC 2243) |
- |
- |
2 － ? |
Saccharomicin B |
209 |
| Enterococcus faecium (GC 2243) |
- |
- |
128 － ? |
Piperacillin (Pipracil) |
209 |
| Enterococcus faecium (GC 2243) |
- |
- |
>128 － ? |
Vancomycin (Vancocyn, Lyphocin) |
209 |
| Enterococcus faecium (GC 3045 + van(B)) |
- |
- |
0.125 － ? |
AC98-6446 |
175 |
| Enterococcus faecium (GC 3045 + van(B)) |
- |
- |
2 － ? |
Levofloxacin (Levaquin, Quixin) |
175 |
| Enterococcus faecium (GC 4556) |
- |
- |
0.125 － ? |
AC98-6446 |
175 |