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. 2017 Mar 23;3(2):17. doi: 10.3390/jof3020017

Table 1.

MIC value range with geometric mean, mode, and MIC50 and MIC90 values for the different dermatophytic species by the CLSI M38-A2 and EUCAST methodologies.

Antifungals, Dermatophyte Species, and the Methodologies Followed MIC Distribution (μg/mL) (No. of Isolates)
0.03 0.06 0.125 0.25 0.5 1 2 4 8 16 +GM MIC50 MIC90
Itraconazole
T. interdigitale (n = 37)
CLSI 21 13 3 0 0 0 0 0 0 0 0.042 0.03 0.06
EUCAST 7 6 11 0 3 0 0 0 0 0 0.077 0.06 0.125
T. tonsurans (n = 17)
CLSI 15 1 1 0 0 0 0 0 0 0 0.033 0.03 0.06
EUCAST 0 15 1 1 0 0 0 0 0 0 0.07 0.06 0.125
T. rubrum (n = 5)
CLSI 3 2 0 0 0 0 0 0 0 0 0.039 0.03 0.06
EUCAST 1 2 2 0 0 0 0 0 0 0 0.07 0.06 0.125
T. violaceum (n = 3)
CLSI 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
EUCAST 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
M. gypseum (n = 3)
CLSI 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
EUCAST 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
T. verrucosum (n = 1)
CLSI 1 0 0 0 0 0 0 0 0 0 *NA *NA *NA
EUCAST 1 0 0 0 0 0 0 0 0 0 *NA *NA *NA
Terbinafine
T. interdigitale (n = 37)
CLSI 3 2 5 5 14 5 0 0 2 1 0.375 0.5 1
EUCAST 0 5 0 4 6 15 4 0 2 1 0.683 1 2
T. tonsurans (n = 17)
CLSI 3 0 0 2 2 1 4 2 2 1 0.878 2 8
EUCAST 0 2 1 0 2 2 4 2 3 1 1.379 2 8
T. rubrum (n = 5)
CLSI 1 0 0 0 2 0 0 0 2 0 0.863 0.5 8
EUCAST 0 1 0 0 2 0 0 0 2 0 0.991 0.5 8
T. violaceum (n = 3)
CLSI 2 0 1 0 0 0 0 0 0 0 0.048 0.03 0.125
EUCAST 0 2 1 0 0 0 0 0 0 0 0.076 0.06 0.125
M. gypseum (n = 3)
CLSI 2 0 1 0 0 0 0 0 0 0 0.048 0.03 0.125
EUCAST 0 2 1 0 0 0 0 0 0 0 0.076 0.06 0.125
T. verrucosum (n = 1)
CLSI 0 0 0 0 0 0 0 0 1 0 *NA *NA *NA
EUCAST 0 0 0 0 0 0 0 0 0 1 *NA *NA *NA
Griseofulvin
T. interdigitale (n = 37)
CLSI 3 2 5 5 14 5 0 0 2 1 0.375 0.5 1
EUCAST 0 5 0 5 11 13 0 0 0 3 0.577 0.5 1
T. tonsurans (n = 17)
CLSI 1 2 0 0 4 3 5 1 0 1 0.777 1 4
EUCAST 0 1 1 1 0 2 4 3 4 1 1.995 2 8
T. rubrum (n = 5)
CLSI 0 0 0 0 0 1 1 2 1 0 3.031 4 8
EUCAST 0 0 0 0 0 0 1 1 3 0 5.278 8 8
T. violaceum (n = 3)
CLSI 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
EUCAST 2 1 0 0 0 0 0 0 0 0 0.037 0.03 0.06
M. gypseum (n = 3)
CLSI 0 2 1 0 0 0 0 0 0 0 0.076 0.06 0.125
EUCAST 0 2 1 0 0 0 0 0 0 0 0.076 0.06 0.125
T. verrucosum (n = 1)
CLSI 0 0 0 0 0 1 0 0 0 0 *NA *NA *NA
EUCAST 0 0 0 0 0 0 1 0 0 0 *NA *NA *NA
Amphotericin B
T. interdigitale (n = 37)
CLSI 13 4 18 2 0 0 0 0 0 0 0.072 0.125 0.125
EUCAST 13 4 18 2 0 0 0 0 0 0 0.072 0.125 0.125
T. tonsurans (n = 17)
CLSI 4 3 5 0 3 1 1 0 0 0 0.133 0.125 1
EUCAST 0 7 5 0 0 4 1 0 0 0 0.177 0.125 1
T. rubrum (n = 5)
CLSI 1 1 0 2 0 1 0 0 0 0 0.162 0.25 1
EUCAST 0 2 0 1 1 0 1 0 0 0 0.245 0.25 2
T. violaceum (n = 3)
CLSI 0 0 3 0 0 0 0 0 0 0 0.125 0.125 0.125
EUCAST 0 0 2 1 0 0 0 0 0 0 0.157 0.125 0.25
M. gypseum (n = 3)
CLSI 0 0 0 3 0 0 0 0 0 0 0.25 0.25 0.25
EUCAST 0 0 0 3 0 0 0 0 0 0 0.25 0.25 0.25
T. verrucosum (n = 1)
CLSI 0 0 0 0 0 0 1 0 0 0 *NA *NA *NA
EUCAST 0 0 0 0 0 0 1 0 0 0 *NA *NA *NA

(Note: the underlined values denote the modal MICs; *NA: not applicable; +GM: geometric mean).