| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus pyogenes (ermTR) |
- |
- |
2 － ? |
Erythromycin A  |
52 |
| Streptococcus pyogenes (ermTR) |
- |
- |
4 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
52 |
| Streptococcus pyogenes (ermTR) |
- |
- |
4 － ? |
Roxithromycin |
52 |
| Streptococcus pyogenes (ermTR) |
- |
- |
8 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
52 |
| Streptococcus pyogenes (ermTR) |
- |
- |
>32 － ? |
Clindamycin (Cleocin) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
0.008 |
0.008 |
≤0.002 － 0.008 |
Cethromycin (ABT-773) |
950 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
0.015 |
0.015 |
0.001 － 0.06 |
Clarithromycin (Biaxin) |
950 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
0.12 |
0.25 |
0.001 － 0.5 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
950 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.003 － 0.06 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.003 － 0.06 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.003 － 0.25 |
Erythromycin A |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.007 － 0.0125 |
Clarithromycin (Biaxin) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.008 － 0.064 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.015 － 0.125 |
Clindamycin (Cleocin) |
32 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.015 － 0.25 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
52 |
| Streptococcus pyogenes (erythromycin A-susceptible) |
- |
- |
0.015 － 0.25 |
Roxithromycin |
52 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.008 |
0.01 |
0.004 － 0.03 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.008 |
0.01 |
0.004 － 0.03 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.03 |
0.06 |
0.1 － >64 |
Clindamycin (Cleocin) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.06 |
0.1 |
0.03 － 0.5 |
Trovafloxacin (Trovan) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.1 |
0.1 |
0.03 － 0.2 |
Moxifloxacin (BAY 12-8039, Avelox) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.1 |
0.2 |
0.1 － >64 |
Miocamycin (Miokamycin) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
0.2 |
0.2 |
0.1 － 0.5 |
Quinupristin/Dalfopristin (Synercid) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
2 |
2 |
1 － 2 |
Linezolid (PNU-100766, U-100766, Zyvox) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
8 |
16 |
2 － >64 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
16 |
32 |
1 － >64 |
Roxithromycin |
35 |
| Streptococcus pyogenes (erythromycin-resistant) |
- |
0.015 |
≤0.002 － 0.06 |
Dalbavancin |
1112 |
| Streptococcus pyogenes (erythromycin-resistant) |
<- |
<0.015 |
? － ? |
Ceftaroline |
1358 |