TABLE 2.
MICs for 27 C. gattii and 15 C. neoformans isolates from dogs and cats
| Drug and MIC measurement | MIC(s) (μg/ml) for isolates of molecular type (n) |
|||||
|---|---|---|---|---|---|---|
| VGI (3) | VGII (7) | VGIII (16) | “VGIII” (1)a | VNI (14) | VNII (1) | |
| Flucytosine | ||||||
| Range | 0.5–1 | 0.5–4 | 0.12–16b | 2 | 4–8 | 4 |
| Geometric mean | 0.79 | 2.00 | 1.83 | 5.12 | ||
| Median | 2 | 2 | 4 | |||
| MIC50, MIC90 | 2, 4 | 2, 8 | 4, 8 | |||
| Amphotericin B | ||||||
| Range | 0.25 | 0.25–0.5 | 0.25–0.5 | 0.5 | 0.25–0.5 | 0.5 |
| Geometric mean | 0.25 | 0.45 | 0.39 | 0.48 | ||
| Median | 0.5 | 0.5 | 0.5 | |||
| MIC50, MIC90 | 0.5, 0.5 | 0.25, 0.25 | 0.5, 0.5 | |||
| Fluconazole | ||||||
| Range | 2–16 | 4–16 | 0.5–32b | 2 | 2–16 | 2 |
| Geometric mean | 6.34 | 8.00 | 4.36 | 5.38 | ||
| Median | 8 | 4 | 6 | |||
| MIC50, MIC90 | 8, 8 | 4, 16 | 4, 8 | |||
| Itraconazole | ||||||
| Range | 0.03–0.25 | 0.03–0.25 | ≤0.015–0.25 | 0.03 | 0.03–0.25 | 0.12 |
| Geometric mean | 0.12 | 0.07 | 0.04 | 0.07 | ||
| Median | 0.06 | 0.03 | 0.06 | |||
| MIC50, MIC90 | 0.06, 0.06 | 0.03, 0.06 | 0.06, 0.12 | |||
| Posaconazole | ||||||
| Range | 0.06–0.25 | 0.06–0.25 | 0.015–0.25 | 0.03 | 0.03–0.12 | 0.06 |
| Geometric mean | 0.16 | 0.11 | 0.05 | 0.08 | ||
| Median | 0.12 | 0.06 | 0.06 | |||
| MIC50, MIC90 | 0.12, 0.12 | 0.06, 0.12 | 0.06, 0.12 | |||
| Voriconazole | ||||||
| Range | 0.03–0.12 | 0.015–0.25 | 0.015–0.12 | 0.015 | 0.015–0.06 | 0.03 |
| Geometric mean | 0.08 | 0.06 | 0.03 | 0.03 | ||
| Median | 0.06 | 0.03 | 0.03 | |||
| MIC50, MIC90 | 0.06, 0.06 | 0.03, 0.06 | 0.03, 0.03 | |||
VGIV by URA5 RFLP but VGIII by MLST analysis.
Variance significantly wider than for molecular types other than VGIII.