1,100
Participants
Start Date
May 19, 2023
Primary Completion Date
January 31, 2025
Study Completion Date
June 30, 2025
Methacholine Choline Provocation Test
Perform methacholine choline provocation test according to the protocol
NOT_YET_RECRUITING
Beijing Chao-yang Hospital, Capital Medical University, Beijing
NOT_YET_RECRUITING
Songshan General Hospital, Chongqing
RECRUITING
The First Hospital of Guangzhou Medical University, Guangzhou
NOT_YET_RECRUITING
Henan Provincial People's Hospital, Zhengzhou
NOT_YET_RECRUITING
Tongji Hospital，Tongji Medical College of Hust, Wuhan
NOT_YET_RECRUITING
West China Hospital of Sichuan University, Chengdu
Collaborators (1)
Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
INDUSTRY
jingping Zheng
OTHER