Table 3

Correlation of the rate metabolism of ABT-378 with isoform-specific CYP activities in a panel of human liver microsomes (n = 10)

Correlation Coefficient
ABT-378ERODaseCOHaseTOLaseMPHaseDEXaseDMNaseERNDase
ERNDase0.980a 0.0890.667c 0.4800.811b 0.3220.3221.000
DMNase0.2830.3590.0200.0840.0810.0271.000
DEXase0.1840.732b 0.2150.848b 0.3511.000
MPHase0.817b 0.0610.761c 0.5721.000
TOLase0.3810.4440.5461.000
COHase0.674c −0.2861.000
ERODase0.0421.000
ABT-3781.000

ERNDase, erythromycin N-demethylation; DMNase, dimethylnitronasamine N-demethylation; DEXase, detromethorphan O-demethylation; MPHase, S-mephenytoin 4′-hydroxylation; TOLase, tolbutamide methyl hydroxylation; COHase, coumarin 7-hydroxylation; ERODase, 7-ethoxyresorufin O-deethylation; ABT-378, metabolism of ABT-378.

  • P values were a < .001, b < .01, c < .05