TABLE 1.
MICs of SS750, FLC, ITC, and AMB for Candida species and C. neoformansa
Organism (no. of strains) and drug | MIC (μg/ml)
|
||
---|---|---|---|
Range | 50% | 90% | |
C. albicans (55) | |||
SS750 | 0.031–0.25 | 0.063 | 0.125 |
FLC | 0.125–2 | 0.25 | 0.5 |
ITC | ≤0.008–0.125 | 0.031 | 0.063 |
AMB | 0.25–0.5 | 0.5 | 0.5 |
Fluconazole-resistant C. albicans (6)b | |||
SS750 | 0.5–>16 | 1 | >16 |
FLC | 16–>64 | 32 | >64 |
ITC | 0.5–>8 | 0.5 | >8 |
AMB | 0.5–1 | 0.5 | 1 |
C. tropicalis (17) | |||
SS750 | 0.031–0.5 | 0.063 | 0.5 |
FLC | 0.25–4 | 1 | 2 |
ITC | 0.016–0.25 | 0.063 | 0.125 |
AMB | 0.25–1 | 0.5 | 0.5 |
C. parapsilosis (15) | |||
SS750 | ≤0.016–0.5 | 0.125 | 0.25 |
FLC | 0.25–8 | 2 | 8 |
ITC | 0.016–0.25 | 0.125 | 0.25 |
AMB | 0.5–1 | 1 | 1 |
C. guilliermondii (14) | |||
SS750 | ≤0.016–1 | 0.125 | 1 |
FLC | 0.25–8 | 4 | 4 |
ITC | 0.016–0.5 | 0.25 | 0.5 |
AMB | 0.125–1 | 0.5 | 0.5 |
C. kefyr (9) | |||
SS750 | 0.031–0.063 | 0.031 | 0.063 |
FLC | 0.25–0.5 | 0.5 | 0.5 |
ITC | 0.016–0.25 | 0.063 | 0.25 |
AMB | 0.25–1 | 0.5 | 1 |
C. krusei (16) | |||
SS750 | 0.25–1 | 0.5 | 1 |
FLC | 16–>64 | 64 | 64 |
ITC | 0.063–0.5 | 0.25 | 0.5 |
AMB | 0.5–1 | 1 | 1 |
C. glabrata (14) | |||
SS750 | 0.063–4 | 1 | 2 |
FLC | 0.5–64 | 16 | 64 |
ITC | 0.031–4 | 1 | 4 |
AMB | 0.125–0.5 | 0.5 | 0.5 |
C. neoformans (26) | |||
SS750 | 0.125–2 | 0.5 | 2 |
FLC | 1–16 | 4 | 8 |
ITC | 0.031–0.5 | 0.125 | 0.25 |
AMB | 0.25–1 | 0.5 | 1 |
MICs were determined by the broth microdilution method according to NCCLS method M27-A (14).
Three resistant and three dose-dependent susceptible strains, on the basis of NCCLS breakpoints for FLC resistance in C. albicans, were included.