48
Participants
Start Date
February 29, 2012
Primary Completion Date
February 29, 2016
Study Completion Date
February 29, 2016
High-dose PPI
:40mg, po(per oral) 2times.day, 8weeks
standard PPI
: 40mg, po(per oral) 1times.day, 8weeks
placebo
Gangnam severance hospita, Seoul
Yonsei University
OTHER