543
Participants
Start Date
October 31, 2013
Primary Completion Date
May 31, 2017
Study Completion Date
May 31, 2017
Tianzhi granule and placebo identified to donepezil
1 pack Tianzhi granule (5g), 3 times per day and placebo identified to donepezil, 1 pill per day for 24 weeks
Donepezil and placebo identified to Tianzhi granule
donepezil 5mg per day and placebo identified to Tianzhi granule (5g, 3 times per day) for 24 weeks
Placebo
placebo identified to Tianzhi granule (5g, 3 times per day) and placebo identified to donepezil ,1 pills per day for 24 weeks
Dongzhimen Hospital,Beijing University of Chinese Medicine, Beijing
Dongzhimen Hospital, Beijing
OTHER