626
Participants
Start Date
July 31, 2011
Primary Completion Date
April 30, 2014
Study Completion Date
June 30, 2014
Pregabalin
"Subjects in the pregabalin group will start treatment with pregabalin capsule 150 mg/day for 1 week, then their dose will be increased to 300mg/day. After 1-week titration period, dose must be stable during study, no dose adjustment is permitted, and subject who cannot tolerate 300 mg/day pregabalin will be withdrawn.~At the completion of the dose maintenance phase subjects will taper off study medication over a 1-week period. 300 mg/ day subjects will taper to 150 mg/ day."
Placebo matched with pregabalin
Subject will take placebo matched with pregabalin twice a day.
Beijing Tiantan Hospital affiliated to Capital Medical University, Neurology Department, Beijing
Peking University Third Hospital, Beijing
Endocrinology Department, Beijing
Beijing Hospital of the Ministry of Health, Beijing
Tongren Hospital Affiliated to Capital Medical University, Beijing
Chinese PLA General Hospital, Beijing
Shengjing hospital of china medical university, Shenyang
Dept. of Endocrinology, The second hospital of Jilin University, Changchun
Dept. of Endocrinology, The first Affiliated Hospital of Harbin Medical University, Harbin
Dept. of Endocrinology, The second Affiliated Hospital of Harbin Medical University, Harbin
Shanghai Changzheng Hospital, Shanghai
Huashan Hospital Affiliated Fudan University, Neurology Department, Shanghai
Shanghai Tenth People's Hospital/The Endocrinology Department, Shanghai
Shanghai First People's Hospital, Shanghai
Renji Hospital Shanghai Jiao Tong University School of Medicine/Neurology Department, Shanghai
Jiangsu Province Hospital, Nanjing
Qilu Hospital of Shandong University/department of internal neurology, Jinan
Qilu Hospital of Shandong University, Jinan
Tianjin Medical University General Hospital, Tianjin
The Second Affiliated Hospital Zhejiang University College of Medicine, Hangzhou
Sir Run Run Shaw Hospital, School of medicine, Zhejiang University, Hangzhou
The First Affiliated Hospital of Nanchang University, Nanchang
Fuzhou General Hospital of Nanjing Military Command, Fuzhou
Southwest hospital of the third military medical university/Department of Neurology, Chongqing
Xiangya Hospital of Centre-south University, Changsha
Tongji Hospital,Tongji Medical College Huazhong University of Science & Technology, Wuhan
Department of Endocrinology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou
GuangZhou First Municipal People's Hospital, Guangzhou
The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou
Nanfang Hospital, Southern Medical University, Guangzhou
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INDUSTRY