48
Participants
Start Date
April 11, 2022
Primary Completion Date
November 1, 2022
Study Completion Date
December 31, 2022
True filter (4w) → Washout (2w) → Sham filter (4w)
Used a true filter for 4 weeks, followed by a 2-week washout, then used a sham filter for 4 weeks.
Sham filter (4w) → Washout (2w) → True filter (4w)
Used a sham filter for 4 weeks, followed by a 2-week washout, then used a true filter for 4 weeks.
Inha University Hospital, Incheon
Inha University Hospital
OTHER