Table 5.
Interspecies comparison of hepatic extraction ratio (E), fraction metabolized by AO (Fm,AO), and SSS predictions using in vitro CLint (mL/min/kg) or in vivo CLp (mL/min/kg) for zoniporide (top) and BIBX1382 (bottom).
Species | E* | Fm,AO# | S9 CLint | SSS Human Predicted S9 CLint | CLp | SSS Human Predicted CLp |
---|---|---|---|---|---|---|
Zoniporide | ||||||
Human | 0.46 | 0.72–0.77 | 17.9 | --- | 21§ | --- |
Mouse | 0.79 | 0.90 | 332 | 43.1 | 298§ | 39.2 |
Rat | 0.87 | 0.72–0.74 | 466 | 114 | 237§ | 62.7 |
Cynomolgus Monkey | 0.59 | ≥ 0.90 | 62.8 | 30.7 | 31§ | 15.2 |
BIBX1382 | ||||||
Human | 0.79 | 0.92 | 80.2 | --- | 25–55¶ | --- |
Mouse | 0.27 | n/a | 33.2 | 4.3 | 55¶ | 7.2 |
Rat | 0.30 | ≤ 0.69 | 30.7 | 7.5 | 55¶ | 13.4 |
Cynomolgus Monkey | 0.80 | 1.0 | 181 | 88.7 | 118¶ | 56.0 |
Data from Table 2
Data from Table 3
Obtained from: Dalvie D, Zhang C, Chen W, et al. (2010). Drug Metab Dispos 38:641–654.
Obtained from: Hutzler JM, Cerny MA, Yang YS et al. (2014). Drug Metab Dispos 42:1751–1760.