Fosnetupitant is a neurokinin receptor antagonist. Neurokinin 1 (NK1) receptor antagonists (RAs) are a class of drug used to treat nausea and vomiting associated with chemotherapy. Aprepitant, casopitant, and fosaprepitant are NK1 drugs.
Fadini, Luca; Manini, Peter; Pietra, Claudio; Giuliano, Claudio; Lovati, Emanuela; Cannella, Roberta; Venturini, Alessio; Stella, Valentino. (Assignee: Helsinn Healthcare SA, Switz). Substituted 4 - phenyl - pyridines for the treatment of nk-1 receptor related diseases. WO2013082102 (2013).