| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus pneumonia (mef(A) + mef(E)) |
1 |
4 |
0.06 － >64 |
Clarithromycin (Biaxin)  |
1113 |
| Streptococcus pneumonia (mef(A) + mef(E)) |
4 |
16 |
0.5 － 64 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
1113 |
| Streptococcus pneumonia (mef(A) + mef(E)) |
8 |
16 |
1 － >64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1113 |
| Streptococcus pneumonia (mef(A) + mef(E)) |
8 |
16 |
150 － >64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
954 |
| Streptococcus pneumonia (mef(A)) |
0.004 |
0.12 |
≤0.002 － 1 |
Cethromycin (ABT-773) |
950 |
| Streptococcus pneumonia (mef(A)) |
0.03 |
0.03 |
0.015 － 0.12 |
Clindamycin (Cleocin) |
15 |
| Streptococcus pneumonia (mef(A)) |
0.06 |
0.5 |
0.002 － 2 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
950 |
| Streptococcus pneumonia (mef(A)) |
0.063 |
0.125 |
≤0.008 － 0.25 |
Cethromycin (ABT-773) |
1111 |
| Streptococcus pneumonia (mef(A)) |
0.063 |
0.125 |
0.063 － 0.125 |
Clindamycin (Cleocin) |
502 |
| Streptococcus pneumonia (mef(A)) |
0.125 |
0.5 |
0.063 － 0.5 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
502 |
| Streptococcus pneumonia (mef(A)) |
0.25 |
0.5 |
≤0.008 － 1 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
1111 |
| Streptococcus pneumonia (mef(A)) |
1 |
1 |
0.5 － 1 |
Quinupristin/Dalfopristin (Synercid) |
502 |
| Streptococcus pneumonia (mef(A)) |
1 |
4 |
0.06 － >=64 |
Clarithromycin (Biaxin) |
950 |
| Streptococcus pneumonia (mef(A)) |
2 |
4 |
1 － 4 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
502 |
| Streptococcus pneumonia (mef(A)) |
2 |
4 |
1 － 4 |
Clarithromycin (Biaxin) |
502 |
| Streptococcus pneumonia (mef(A)) |
2 |
4 |
1 － 4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
502 |
| Streptococcus pneumonia (mef(A)) |
2 |
4 |
1 － 4 |
Spiramycin |
502 |
| Streptococcus pneumonia (mef(A)) |
4 |
16 |
0.5 － 64 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
950 |
| Streptococcus pneumonia (mef(A)) |
8 |
16 |
2 － 32 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
1111 |
| Streptococcus pneumonia (mef(A)) |
8 |
16 |
2 － 32 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1111 |
| Streptococcus pneumonia (mef(A)) |
16 |
32 |
4 － >128 |
Clarithromycin (Biaxin) |
1111 |
| Streptococcus pneumonia (mef(A)) |
- |
0.03 |
≤0.002 － 0.5 |
Cethromycin (ABT-773) |
331 |
| Streptococcus pneumonia (mef(A)) |
- |
0.06 |
≤0.02 － 1 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
331 |
| Streptococcus pneumonia (mef(A)) |
- |
0.12 |
0.12 － 0.5 |
Clindamycin (Cleocin) |
331 |
| Streptococcus pneumonia (mef(A)) |
- |
4 |
1 － >=64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
331 |
| Streptococcus pneumonia (mef(E)) |
0.03 |
0.125 |
0.004 － 0.5 |
HMR 3787 |
1113 |
| Streptococcus pneumonia (mef(E)) |
0.06 |
0.25 |
0.25 － 1 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
1113 |
| Streptococcus pneumonia (mef(E)) |
1 |
8 |
0.5 － 8 |
Clarithromycin (Biaxin) |
1113 |