103
Participants
Start Date
September 30, 2012
Primary Completion Date
December 31, 2013
Study Completion Date
December 31, 2013
Caffeic acid
Oral administration of caffeic acid tablet 0.3g three times per day for 1 year
Dexamethasone
Oral administration of dexamethasone 40 mg for four consecutive days then proceed another cycle 10 days later, 3 cycles in total.
Placebo
Sugar pills manufactured to mimic caffeic acid tablet. Oral administration of placebo tablet 0.3g three times per day for 1 year.
Shandong University Qilu hospital, Jinan
Shandong Provincial Hospital
OTHER_GOV
Qianfoshan Hospital
OTHER
Anhui Medical University
OTHER
Qingdao University
OTHER
Shandong University
OTHER