Ziritaxestat (GLPG1690) inhibits ATX-induced LPA 18:2 production in mouse, rat, and healthy donor plasma in a concentration-dependent manner, with IC50 values of 418 nM, 542 nM, and 242 nM, respectively.
Ziritaxestat (GLPG1690) displays improved pharmacokinetic properties, with a low plasma clearance and high bioavailability in mouse and rat. The good pharmacokinetic profile is further confirmed in dog, with Ziritaxestat (GLPG1690) showing low plasma clearance (0.12 L/h/kg) and a high bioavailability (63%).