TABLE 2

Application of the APR screen to detect MBIs using reported MBIs and quasi-irreversible inhibitors Data are reported as APR (percentage of residual functional P450 activity).


Compound

Measured APR
CYP3A4
CYP2C19
CYP2C9
CYP2D6
CYP1A2
Testosterone
Midazolam
Ritonavir 1.0 (2)a 1.4 (2)a
Mibefradil 1.4 (3) 2.0 (11)
Azamulin 1.6 (2) 2.1 (8)
Troleandomycin 4.5 (27) 4.0 (39)
Mifepristone 5.5 (6) 5.8 (17)
Raloxifene 7.9 (7) 11.2 (30)
Bergamottin 10.7 (1) 12.4 (4) 654.2 (47)
Diltiazem 11.7 (37) 28.7 (56)
6′,7′-Dihydroxybergamottin 13.3 (1) 16.5 (5)
Nicardipine 31.4 (2) 41.3 (10)
Verapamil 39.6 (26) 96.2 (42)
Resveratrol 97.2 (7) 168.9 (25) 166.6 (10)b
17α-Ethynylestradiol 260.0 (5)b 277.0 (11)b
Isoniazid 2148.5 (32)b 5187.0 (64)b 13491.3 (55)b 7254.7 (30)b
Diclofenac 6072.2 (11)c 5652.0 (10)c
Ticlopidine 88.0 (11)
Tienilic acid 11.5 (9)
Suprofen 237.7 (53)b
Paroxetine 5.6 (24)
EMTPP 213.5 (28)d
Furafylline 28.9 (25)
Tacrine 1734.0 (47)
Carbamazepine





4497.5 (63)b
  • a Concentrations tested from 0 to 5 μM

  • b Concentrations tested from 0 to 500 μM

  • c Concentrations tested from 0 to 2000 μM

  • d Concentrations tested from 0 to 250 μM