Appropriate Inhaler Use of Tiotropium As Add-on Therapy in Symptomatic Asthma
NCT04696965
·
clinicaltrials.gov ↗
NA
Phase
COMPLETED
Status
48
Enrollment
OTHER
Sponsor class
Conditions
Asthma
Interventions
OTHER:
Correct/recheck strategy
OTHER:
Usual verbal instruction
Sponsor
Chang Gung Memorial Hospital