Zaurategrast ethyl ester
CDP323 is an antagonist of the vascular cell adhesion molecule 1 (VCAM-1) binding to alpha4-integrins (other adhesion molecules), a process thought to be implicated in the pathophysiology of Multiple Sclerosis (MS). It is considered a small-molecule prodrug. CDP323 was originally developed by the British biopharmaceutical company Celltech plc. (now UCB S.A.) and is a putative new drug for oral treatment of multiple sclerosis.