VNK115640: A Multicenter, Randomized, Single-blind, Active-controlled, Parallel Group, Phase II Study to Evaluate the Efficacy, Safety, and Tolerability of a Single Intravenous (6 mg, 12 mg, 18 mg, 24 mg or 36 mg) Dose of the Neurokinin-1 Receptor Antagonist, Vestipitant (GW597599), Compared with a Single 4 mg Intravenous Ondansetron Hydrochloride Dose for the Treatment of Breakthrough Post-Operative Nausea and Vomiting after Failed Prophylaxis with an Ondansetron-Containing Regimen in Patients Undergoing Non-Emergency Surgical Procedures, Trial ID 115640

VNK115640: A Multicenter, Randomized, Single-blind, Active-controlled, Parallel Group, Phase II Study to Evaluate the Efficacy, Safety, and Tolerability of a Single Intravenous (6 mg, 12 mg, 18 mg, 24 mg or 36 mg) Dose of the Neurokinin-1 Receptor Antagonist, Vestipitant (GW597599), Compared with a Single 4 mg Intravenous Ondansetron Hydrochloride Dose for the Treatment of Breakthrough Post-Operative Nausea and Vomiting after Failed Prophylaxis with an Ondansetron-Containing Regimen in Patients Undergoing Non-Emergency Surgical Procedures, Trial ID 115640 | GSK