60
Participants
Start Date
January 31, 2025
Primary Completion Date
August 31, 2026
Study Completion Date
September 30, 2026
NORSPAN Buprenorphine Transdermal Patchs for Very-low dose group
Very-low dose group will receive medication on arrival before completing the relevant assessment tests; the very-low dose group will be administered 1/9 of a 5mg buprenorphine transdermal patch and replaced with a 0mg patch before returning home from the examination.
NORSPAN Buprenorphine Transdermal Patchs for Lower dose group
The lower dose group will be administered 1/9 of a 5mg buprenorphine transdermal patch.
NORSPAN Buprenorphine Transdermal Patchs for higher dose group
The higher dose group will be administered 1/3 of a 5mg buprenorphine transdermal patch.
Peking University Sixth Hospital, Beijing
Ping An-Shionogi Co., Ltd.
UNKNOWN
Peking University Sixth Hospital
OTHER