90
Participants
Start Date
June 1, 2023
Primary Completion Date
June 1, 2026
Study Completion Date
December 1, 2026
Parallel Assignment
intervention group: treated with drug eluting balloon(paclitaxel-coated balloon; Orchid, Acotec Scientific Holdings Limited, Beijing, China); control group :treated with plain old balloon
Peking Union Medical College Hospital
OTHER