300
Participants
Start Date
October 15, 2025
Primary Completion Date
October 15, 2026
Study Completion Date
October 15, 2026
FA+Ropivacaine
0.5 mL FA (50 mg; by Beijing Taide Pharmaceutical Co., Ltd) and 15 mL of 1% ropivacaine (Nai Le Pin 10mg/mL; by AstraZeneca AB, Sweden) diluted to a total volume of 30 mL in normal saline
Normal (0.9%) saline
Control group:
Ropivacaine
15 mL of 1% ropivacaine diluted to a total volume of 30 mL in normal saline
Beijing Tiantan Hospital
OTHER