353791-85-2

UCB 35625 is an antagonist of CCR1, which are receptors prevalent in chronic inflammatory processes. UCB 35625 displays antiarthritic activity and is also a selective antagonist of CCR3.

Potent chemokine receptor 1 (CCR1) antagonist (IC 50 values are 0.9 and 5.8 nM for human and mouse CCR1 receptors respectively). Also displays high selectivity for human but not mouse CCR3 receptors (IC 50 values are 0.58 and 460 nM respectively). Improves paw inflammation, joint damage and dramatically reduces cell infiltration into joints in collagen-induced arthritis in mice. Isomer of UCB 35625 (1,4-trans-1-(1-Cycloocten-1-ylmethyl)-4-[[(2,7-dichloro-9H-xanthen-9-yl)carbonyl]amino]-1-ethylpiperidiniumiodide ).

CCR1: 0.9 nM (IC₅₀, Human CCR1); CCR1: 5.8 nM (IC₅₀, Mouse CCR1); CCR3: 0.58 nM (IC₅₀, Human CCR3); CCR3: 460 nM (IC₅₀, Mouse CCR3)