24
Participants
Start Date
January 20, 2017
Primary Completion Date
December 31, 2019
Study Completion Date
June 30, 2020
Nocturnal Temperature Controlled Laminar Flow Device
Record of the time to first asthma exacerbation, lung function and exhaled NO level
None Device
Record of the time to first asthma exacerbation, lung function and exhaled NO level
Chang Gung Memorial Hospital, Taoyuan District
Chang Gung Memorial Hospital
OTHER