45
Participants
Start Date
August 24, 2021
Primary Completion Date
December 28, 2026
Study Completion Date
December 31, 2026
Maintain the concentration of ropivacaine as same as those used in the previous participant
Maintain the same concentration of ropivacaine used in the previous participant with an 89% chance through a random assignment
Decrease the ropivacaine concentration by 0.05% from the concentration used in the previous participant
Decrease ropivacaine concentration by 0.05% from the concentration used in the previous participant with an 11% chance through a random assignment
Increase the ropivacaine concentration by 0.05% from the concentration used in the previous participant
Increase ropivacaine concentration by 0.05% from the concentration used in the previous participant.
Seoul National University Hospital, Seoul
Seoul National University Hospital
OTHER