Efficacy and Safety Study of Aprepitant Injection for Prevention of Post-operative Nausea and Vomiting

A Randomized, Double-blind, Placebo-controlled, Multi-center Phase III Study to Evaluate the Efficacy and Safety of Aprepitant Injection in the Prevention of Post-operative Nausea and Vomiting

A randomized, double-blind, placebo-controlled, multi-center phase III study to compare the efficacy and safety of aprepitant injection and placebo in the prevention of post-operative nausea and vomiting (PONV).,

In this study, a randomized, double-blind, placebo-controlled multicenter study will be conducted to evaluate the efficacy and safety of aprepitant injection in the prevention of post-operative nausea and vomiting (PONV).

Inclusion Criteria:

Age ≥18 and ≤75 years old; 18 < BMI≤30kg/m^2, body weight ≥45kg; laparoscopic gynecologic or abdominal surgery under general anesthesia that was expected to last at least 1 hour.

expected or agreed to stay in the hospital for 24 hours or more after surgery;

Exclusion Criteria:

diagnostic surgery; scheduled for postoperative transfer to an intensive care unit; requiring placement of a nasogastric or orogastric tube after surgery; Post-operative vomiting may pose significant risk;