Table II.
Data Generated on AZ12470164 During the Early Clinical Development Phase
| Parameters considered in retrospective analysis | AZ12470164 |
|---|---|
| Human hepatocyte CLint (μL/min/106 cells) | 100 |
| Predicted clearance from human hepatocytes (mL/min/kg) | 14.3a |
| Intestinal microsomal CLint (μL/min/mg); rat/dog/human | 17/54/334 |
| F G (%); mouse/rat/dog/human | ND/74/51/15b |
| Calculated F H (%); mouse/rat/dog/human | 69/84/25c |
| Calculated in vivo F a × F G (%); mouse/rat/dog/human | >100/20/50 to 120/NDd |
| Predicted F a × F G from in vitro data (%); mouse/rat/dog/human | ND/26/51/10 |
aThe predicted clearance from hepatocytes was scaled using the well-stirred model and a lab-specific empirical correction factor according to (51)
b F G was scaled from activated intestinal microsomes using the Q gut model (29)
cThe pre-clinical F H was calculated from IV PK studies whereas the human value was predicted from scaled cryopreserved human hepatocytes
dThe in vivo F a × F G was calculated from IV and oral PK data using the indirect method given by F oral/F H = F a × F G