TABLE 4.
In vitro activities of TBG-MINO and comparative antibiotics against anaerobic bacteria
Organism (no. of isolates) | Antibiotic | MIC (μg/ml)
|
||
---|---|---|---|---|
Range | 50% | 90% | ||
Bacteroides fragilis group (12) | TBG-MINO | 0.25–2 | 0.5 | 2 |
DMG-MINO | 0.25–0.5 | 0.25 | 0.5 | |
DMG-DMDOT | 0.25–0.5 | 0.25 | 0.5 | |
Minocycline | 0.06–4 | 2 | 4 | |
Cefoxitin | 2–>32 | 16 | >32 | |
Imipenem | ≤0.06–2 | 0.12 | 2 | |
Bacteroides fragilis (14) | TBG-MINO | 0.5–8 | 2 | 2 |
DMG-MINO | 0.25–2 | 1 | 1 | |
DMG-DMDOT | 0.5–2 | 1 | 2 | |
Minocycline | ≤0.06–8 | 8 | 8 | |
Cefoxitin | 1–8 | 8 | 8 | |
Imipenem | ≤0.06–0.25 | ≤0.06 | 0.12 | |
Prevotella spp. (11) | TBG-MINO | 0.12–1 | 0.5 | 1 |
DMG-MINO | ≤0.06–0.5 | 0.25 | 0.5 | |
DMG-DMDOT | ≤0.06–2 | 0.5 | 2 | |
Minocycline | ≤0.06–16 | 8 | 16 | |
Cefoxitin | 0.25–4 | 1 | 2 | |
Imipenem | ≤0.06 | ≤0.06 | ≤0.06 | |
Clostridium difficile (10) | TBG-MINO | ≤0.06–0.25 | 0.12 | 0.12 |
DMG-MINO | ≤0.06–0.12 | 0.12 | 0.12 | |
DMG-DMDOT | ≤0.06–0.12 | 0.12 | 0.12 | |
Minocycline | ≤0.06–4 | 0.03 | 4 | |
Cefoxitin | >32 | >32 | >32 | |
Imipenem | 2–16 | 4 | 4 | |
Clostridium perfringens (10) | TBG-MINO | 0.12–4 | 0.5 | 1 |
DMG-MINO | 0.12–4 | 0.25 | 2 | |
DMG-DMDOT | 0.12–4 | 0.25 | 2 | |
Minocycline | ≤0.06–8 | ≤0.06 | 4 | |
Cefoxitin | 0.25–1 | 0.5 | 1 | |
Imipenem | ≤0.06 | ≤0.06 | ≤0.06 | |
Anaerobic gram-positive cocci (15) | TBG-MINO | ≤0.06–0.25 | 0.12 | 0.25 |
DMG-MINO | ≤0.06–0.12 | ≤0.06 | 0.12 | |
DMG-DMDOT | ≤0.06–0.5 | 0.12 | 0.5 | |
Minocycline | 0.12–16 | 4 | 16 | |
Cefoxitin | ≤0.06–16 | 0.12 | 16 | |
Imipenem | ≤0.06–1 | ≤0.06 | 1 |