TABLE 3

Intrinsic clearance (CLint) of cytochrome P450 CYP3A metabolized drugs measured in recombinant CYP3A4 and CYP3A5

DrugCLint (ยตl/min/pmol P450)
CYP3A4CYP3A5Ratio
Atazanavir1.22.42.0
Vincristine0.582.84.8
Midazolam16352.2
Vardenafil2.8186.4
Otenabant9.88.20.84
Verapamil124.40.36
Tacrolimus7.9172.1
Quinine0.841.11.4
Rimonabant6.6467.0
Saquinavir40250.63
Triazolam1.82.01.1
Terfenadine21140.64
Cilostazol6.25.30.84
Simvastatin2401700.72
Ebastine8.31.20.15
Buspirone205.00.25
Diltiazem3.61.80.50
Testosterone3.40.430.13
Quetiapine193.30.17
Oxycodone0.50<0.06<0.11
Quinidine0.850.390.46
Loratadine341.70.05
Alprazolam0.250.090.37
Clarithromycin2.00.50.23