TABLE 4

Permeability coefficients (Papp) for transepithelial transport of XP13512 or gabapentin across Caco-2 and MDCK monolayers Compounds were applied to the donor compartment at 100 to 200 μM and incubated for 1 h at 37°C.



Caco-2

MDCK
Test Compound Papp (cm/s) × 106
A to B/B to A ratio
Papp (cm/s) × 106
A to B/B to A ratio

A to Ba
B to A
A to B
B to A
XP13512 31 5.7 5.4 35 11 3.2
Gabapentin
3.2
3.4
0.94
0.73
0.25
2.9
  • a A, apical; B, basolateral