4,342
Participants
Start Date
May 1, 2018
Primary Completion Date
March 31, 2022
Study Completion Date
March 31, 2022
sufentanil + nalbuphine
sufentanil 100 μ g + nalbuphine 40 mg
Sufentanil
sufentanil 200 μ g
hydromorphone + nalbuphine
hydromorphone 10 mg+ nalbuphine 40 mg
YANLI, XIan
Xijing Hospital
OTHER