TABLE 2

Covalent binding of tested drugs in HLMs and human hepatocytes in vitro and rat liver in vivo

Data are the mean ± S.D.


Drug No.

Drug

Covalent Binding
HLMs
Human Hepatocytes
Rat Liver in Vivo
pmol/mg protein
WDN
    1 Aminopyrine 30.9 ± 3.3 1.0 ± 0.5 555.7 ± 58.1
    2 Amodiaquine 208.1 ± 13.4 91.3 ± 6.1 126.3 ± 11.0
    3 Tienilic acida 439.2 ± 73.2 N.T. 46.1 ± 17.5
    4 Zomepirac 6.4 ± 0.5 7.2 ± 0.4 28.1 ± 9.1
BBW
    5 Benzbromarone 389.9 ± 18.9 12.1 ± 2.7 13.6 ± 1.1
    6 Carbamazepinea 3.7 ± 0.2 N.T. 59.3 ± 4.6
    7 Clozapine 44.7 ± 2.6 82.7 ± 7.7 156.6 ± 9.6
    8 Flutamide 178.0 ± 10.9 9.7 ± 0.3 59.8 ± 5.0
    9 Nevirapine 19.1 ± 1.3 2.9 ± 1.9 79.5 ± 11.4
    10 Ritonavir 253.3 ± 24.8 47.7 ± 3.6 68.9 ± 16.3
    11 Ticlopidine 858.0 ± 25.4 89.5 ± 7.8 252.0 ± 38.7
    12 Valproic acid 6.3 ± 3.3 9.3 ± 0.7 135.7 ± 21.5
WNG
    13 Acetaminophen 85.2 ± 5.7 8.4 ± 1.5 10.6 ± 1.6
    14 Atorvastatin 352.3 ± 60.4 209.2 ± 17.1 16.9 ± 2.4
    15 Celecoxib 13.0 ± 2.4 7.1 ± 2.5 1.4 ± 0.5
    16 Clopidogrel 417.4 ± 83.1 75.0 ± 75.0 177.7 ±
    17 Diclofenac 15.9 ± 3.4 52.6 ± 2.6 23.9 ± 2.7
    18 Erythromycina 57.1 ± 6.7 N.T. 54.5 ± 21.6
    19 Fluoxetine 15.0 ± 3.9 9.0 ± 2.4 93.4 ± 10.3
    20 Furosemidea 78.6 ± 1.4 N.T. 14.9 ± 3.3
    21 Imipramine 133.8 ± 7.0 15.5 ± 0.3 326.8 ± 86.0
    22 Indomethacina 16.7 ± 3.2 N.T. 26.0 ± 5.6
    23 Phenytoin 4.4 ± 0.4 3.7 ± 2.5 34.2 ± 7.6
    24 Procainamidea 5.1 ± 0.5 N.T. 26.5 ± 8.3
    25 Propranolol 70.0 ± 12.3 9.4 ± 0.7 87.1 ± 5.3
    26 Sulfamethoxazole 3.2 ± 0.7 0.8 ± 0.1 13.2 ± 0.2
    27 Tacrine 137.0 ± 7.5 5.4 ± 0.2 46.3 ± 3.3
    28 Tamoxifen 11.5 ± 2.1 64.9 ± 1.5 60.8 ± 11.3
    29 Verapamil 65.6 ± 10.0 16.0 ± 0.4 42.5 ± 3.8
    30 Zafirlukast 36.4 ± 2.0 19.1 ± 0.9 14.2 ± 7.2
SAFE
    31 Amlodipine 7.3 ± 1.0 13.3 ± 1.8 1.2 ± 0.5
    32 Caffeine 9.9 ± 1.6 0.2 ± 0.5 21.0 ± 3.6
    33 Donepezil 29.7 ± 0.5 13.5 ± 1.1 3.9 ± 0.9
    34 Ethinylestradiol 937.5 ± 94.0 80.6 ± 8.3 210.2 ± 70.5
    35 Levofloxacin 0.1 ± 0.5 0.0 0.0
    36 Olanzapine 138.9 ± 47.8 38.5 ± 0.9 93.6 ± 6.4
    37 Olmesartan 3.4 ± 0.3 1.4 ± 0.9 0.0
    38 Pioglitazone 353.0 ± 34.4 40.5 ± 14.2 6.3 ± 1.7
    39 Pravastatin 3.7 ± 1.1 2.5 ± 0.6 9.5 ± 0.6
    40 Rosiglitazone 516.1 ± 40.3 42.5 ± 1.8 8.7 ± 0.1
    41 Valsartan 1.4 ± 0.6 0.4 ± 0.2 6.3 ± 1.0
    42
Warfarin
15.9 ± 2.6
8.0 ± 1.8
17.1 ± 4.5
  • N.T., not tested.

  • a These drugs were not tested in the hepatocyte system because of insufficient purity of the radiolabeled drugs.