A Trial of SHR0410 Injection for the Treatment of Pain After Endoscopic Surgery of the Lower Abdominal

A Phase Ⅲ, Randomized, Double-blind, Placebo- and Active-controlled Study of SHR0410 Injection for the Treatment of Pain After Endoscopic Surgery of the Lower Abdominal

The study is being conducted to evaluate the efficacy and safety of SHR0410 injection for the treatment of pain after endoscopic surgery of the lower abdominal.

Inclusion Criteria:

1. Able and willing to provide a written informed consent
2. Subjects requiring elective general anesthesia endoscopic surgery of the lower abdominal
3. Male or female
4. Meet the body mass index standard
5. Conform to the ASA Physical Status Classification

Exclusion Criteria

1. Subjects with a history of difficult airway
2. Subjects with a history of mental illness
3. Subjects with a history of cognitive impairment epilepsy
4. Subjects with a history of myocardial infarction or unstable angina pectoris
5. Subjects with atrioventricular block or cardiac insufficiency
6. Subjects with a history of ischemic stroke or transient ischemic attack
7. Subjects with poor blood pressure control after medication
8. Subject with a history of substance abuse and drug abuse
9. Abnormal values in liver function
10. Subjects with an oxygen saturation below 90% on room air
11. Allergic to drugs that may be used during the study
12. Pregnant or nursing women
13. No birth control during the specified period of time
14. Participated in clinical trials of other drugs (received experimental drugs)
15. The investigators determined that other conditions were inappropriate for participation in this clinical trial