Table 4

Effect of isoform-selective CYP inhibitors on the metabolism of ABT-378 by human liver microsomes

InhibitorPercentage of Control Activity
ABT-378M-1M-3M-4
Furafylline4-a (5 μM)82.292.388.6125.7
Coumarin (100 μM)111.2115.795.1117.2
Sulfaphenazole (1 μM)111.3166.196.4122.3
Tranylcypromine (50 μM)96.3104.872.2108.2
Quinidine (1 μM)115.5184.459.3127.9
4-Methylpyrazole (20 μM)112.2174.782.4123.2
Ketoconazole (1 μM)19.624.719.120.8
Troleandomycin4-a (200 μM)15.719.610.222.4
Ritonavir (0.1 μM)22.145.715.715.6
  • 4-a Preincubation with NADPH.