31
Participants
Start Date
April 1, 2020
Primary Completion Date
October 10, 2021
Study Completion Date
May 30, 2022
Budesonide/Formoterol Fumarate 160 MCG-4.5 MCG Inhalation Powder
After the patients who have all criteria, they will be randomized to take Budesonide/formoterol (160/4.5 μg/d) as need when they have symptoms.
Budesonide 200Mcg Inhalation Powder
After the patients who have all criteria, they will be randomized to take Budesonide (200 μg) twice daily
Hatyai Hospital, Hat Yai
Hat Yai Medical Education Center
OTHER