TABLE 2

IC50 values for CYP3A, CYP2C9, and CYP2D6 inhibitors from human hepatocyte suspensions in HMM and human plasma

Both HMM and plasma IC50 values represent the nominal values obtained from each system. Each number represents the mean ± S.E. of estimate of triplicate determinations.

InhibitorIC50fu, p
HMMPlasma
μM
CYP3A inhibitors
    Ketoconazole0.28 ± 0.021.26 ± 0.23a0.01
    Fluconazole27.00 ± 1.507.61 ± 2.67a0.89
    Voriconazole22.40 ± 4.903.01 ± 0.58a0.42
    Conivaptan1.90 ± 0.181.70 ± 0.56a0.01
    Nefazodone0.49 ± 0.081.70 ± 0.31a0.01
    AprepitantPoor solubility24.10 ± 7.30a0.05
CYP2C9 inhibitors
    Miconazole2.12 ± 0.372.02 ± 0.370.1
    Fluconazole53.96 ± 2.9514.34 ± 1.270.89
    Sulfaphenazole0.29 ± 0.069.49 ± 1.890.32
    Fluvastatin4.07 ± 1.846.78 ± 1.010.01
    Ibuprofen151.30 ± 29.25>12000.01
    Tolbutamide101.08 ± 22.70>12000.04
CYP2D6 inhibitors
    Diphenhydramine1.71 ± 0.1930.54 ± 4.340.22
    Sertraline3.10 ± 0.3413.97 ± 3.490.01
    Quinidine0.03 ± 0.010.02 ± 0.010.13
    Paroxetine0.03 ± 0.010.07 ± 0.020.05
    Fluoxetine0.04 ± 0.000.35 ± 0.090.06
    Duloxetine0.22 ± 0.040.67 ± 0.370.05
  • a Data are from Mao et al. (2011).