200
Participants
Start Date
June 30, 2006
Primary Completion Date
December 31, 2007
Study Completion Date
March 31, 2008
celecoxib
400mg/day, twice a day, 12 weeks
Placebo
twice a day, 12 weeks
Beijing HuiLongGuan Hospital, Beijing
Stanley Medical Research Institute
OTHER
Beijing HuiLongGuan Hospital
OTHER