CS-003 free base (CS-003) is a triple tachykininreceptor antagonist with high affinity for human (neurokinin) NK1, NK2 and NK3 receptors, with Ki values of 2.3 nM and 0.54 nM, respectively And 0.74 nM. CS-003 free base (CS-003) has therapeutic effects on
Endogenous substance P homolog that is a selective agonist at the tachykininNK1 receptor (IC50 values are 1.8, 370 and 480 nM for NK1, NK3 and NK2 receptors respectively). Has proliferative and antiapoptotic actions on B-cells in vitro and is antihyperte
Potent and selective tachykininNK2 receptor agonist (EC50 = 3.7 nM in rat colon). Displays > 1000- and > 300-fold selectivity over NK1 and NK3 receptors respectively. Active in vivo.