Osanetant
Osanetant was a neurokinin 3 receptor antagonist developed by Sanofi-Synthélabo, which was being researched for the treatment of schizophrenia, but was discontinued. It was the first non-peptide NK3 antagonist developed in the mid-1990s, Other potential applications for osanetant is in the treatment of drug addiction, as it has been found to block the effects of cocaine in animal models.