89
Participants
Start Date
November 20, 2018
Primary Completion Date
June 22, 2019
Study Completion Date
September 12, 2020
Probiotic
Patients received the formula probiotic for consecutive 8 weeks ( one sachet per day ).
Placebo
Patients received the placebo identical to probiotic for consecutive 8 weeks ( one sachet per day ).
Beijing Chinese Medicine Hospital Pinggu Hospital, Beijing
China Agricultural University
OTHER