| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus pneumonia (levofloxacin-intermediate-resistant) |
4 |
4 |
0.5 － 8 |
Moxifloxacin (BAY 12-8039, Avelox)  |
268 |
| Streptococcus pneumonia (levofloxacin-intermediate-resistant) |
16 |
32 |
4 － 64 |
Levofloxacin (Levaquin, Quixin) |
268 |
| Streptococcus pneumonia (levofloxacin-intermediate-resistant) |
>32 |
>32 |
0.06 － >32 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
268 |
| Streptococcus pneumonia (levofloxacin-resistant) |
0.03 |
0.06 |
0.03 － 0.25 |
PD 0305970 |
225 |
| Streptococcus pneumonia (levofloxacin-resistant) |
0.06 |
0.06 |
0.03 － 0.5 |
PD 0326448 |
225 |
| Streptococcus pneumonia (levofloxacin-resistant) |
1 |
2 |
0.25 － 2 |
Garenoxacin (T-3811, BMS-284756) |
225 |
| Streptococcus pneumonia (levofloxacin-resistant) |
4 |
4 |
2 － 8 |
Gatifloxacin (Tequin) |
225 |
| Streptococcus pneumonia (levofloxacin-resistant) |
16 |
16 |
8 － 32 |
Levofloxacin (Levaquin, Quixin) |
225 |
| Streptococcus pneumonia (levofloxacin-resistant) |
- |
- |
≥8 － ? |
Levofloxacin (Levaquin, Quixin) |
452 |
| Streptococcus pneumonia (levofloxacin-susceptible) |
- |
- |
≤2 － ? |
Levofloxacin (Levaquin, Quixin) |
452 |
| Streptococcus pneumonia (M3) |
- |
- |
0.06 － ? |
Clinafloxacin (PD 127391) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.12 － ? |
Trovafloxacin (Trovan) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.25 － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.25 － ? |
Sparfloxacin (AT-4140, Zagam) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.5 － ? |
Ciprofloxacin-reserpine |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.5 － ? |
Gatifloxacin (Tequin) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.5 － ? |
Grepafloxacin (Raxar) |
59 |
| Streptococcus pneumonia (M3) |
- |
- |
0.5 － ? |
Levofloxacin (Levaquin, Quixin) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
0.12 － ? |
Sparfloxacin (AT-4140, Zagam) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
0.12 － ? |
Trovafloxacin (Trovan) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
0.25 － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
0.5 － ? |
Gatifloxacin (Tequin) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
0.5 － ? |
Grepafloxacin (Raxar) |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
1 － ? |
Ciprofloxacin-reserpine |
59 |
| Streptococcus pneumonia (M4) |
- |
- |
2 － ? |
Levofloxacin (Levaquin, Quixin) |
59 |
| Streptococcus pneumonia (macrolide-resistant) |
0.03 |
0.12 |
≤0.015 － 1 |
Cethromycin (ABT-773) |
236 |
| Streptococcus pneumonia (macrolide-resistant) |
0.06 |
0.5 |
≤0.015 － 2 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
236 |
| Streptococcus pneumonia (macrolide-resistant) |
0.5 |
0.5 |
0.25 － 1 |
RWJ-416457 |
189 |