Phase IIIb Study of APD421 in Combination as PONV Prophylaxis

Randomised, Double-blind, Placebo-controlled Phase III Study of APD421 (Amisulpride for IV Injection) as Combination Prophylaxis Against Post-operative Nausea and Vomiting in High-risk Patients

A comparison of the efficacy of APD421 and placebo when combined with a standard anti-emetic in the prevention of PONV in patients at high risk of Post-operative Nausea and Vomiting (PONV).

Inclusion Criteria:

• Male or female patients ≥ 18 years of age
• Patients undergoing elective surgery (open or laparoscopic technique) under general anaesthesia, expected to last at least one hour from induction of anaesthesia to wound closure
• Patients with at least 3 "Apfel" risk factors for PONV

Exclusion Criteria:

• Patients scheduled to undergo transplant surgery
• Patients scheduled to receive only a local anaesthetic/regional neuraxial (intrathecal or epidural) block
• Patients who are expected to remain ventilated for a period after surgery
• Patients who are expected to need a naso- or orogastric tube in situ after surgery is completed