128
Participants
Start Date
August 31, 2011
Primary Completion Date
June 30, 2012
Study Completion Date
June 30, 2012
oral vitamin C
"cross-over study,2 arms Arm 1(50cases): is given oral vitamin C 200mg per day in the first 3 months, then stop oral VitC for the next 3 months.~Arm 2(50cases): is not given vitamin C in the first 3 months, then switch to receive oral VitC 200mg per day in the next 3 months."
oral vitamin C
Arm 2(50cases): is not given vitamin C in the first 3 months, then switch to receive oral VitC 200mg per day in the next 3 months.
hemodialysis center of Renal Division, Department of Medicine, Peking University First Hospital, Beijing
Peking University First Hospital
OTHER