528
Participants
Start Date
March 3, 2021
Primary Completion Date
October 19, 2021
Study Completion Date
November 1, 2021
SHR8554 Injection
SHR8554 Injection; high dose
SHR8554 Injection
SHR8554 Injection; low dose
Placebo
Saline Solution
Morphine
Morphine
Union Hospital Affiliated to Tongji Medical Collage Huazhong University of Science and Technology, Wuhan
Jiangsu HengRui Medicine Co., Ltd.
INDUSTRY