200
Participants
Start Date
September 30, 2007
Primary Completion Date
May 31, 2009
Study Completion Date
June 30, 2009
Fuzheng Huayu Tablets
Tablet,three times a day,four tablets one time
sham Fuzheng Huayu Tablets (placebo)
Tablet, three times a day, four tablets one time
Shuguang Hospital, Shanghai
Shanghai University of Traditional Chinese Medicine
OTHER