Casopitant mesylate (GW679769B) is a selective, brain permeable, and orally active antagonist of neurokinin 1 (NK1) receptor. It is a second in the class of antiemetics.
Orvepitant maleate is an effective, selective, and well-tolerated neurokinin-1 receptor (NK-1) antagonist (pKi: 10.2 for human neurokinin-1 receptor). Orvepitant maleate has the potential for depressive disorder and chronic refractory cough (CRC) treatmen