520
Participants
Start Date
April 30, 2015
Primary Completion Date
July 31, 2016
Study Completion Date
September 6, 2017
Botulinum toxin type A
Botulinum toxin type A
Placebo
50 Units
Placebo
20 Units
Peking University First Hospital, Beijing
Air Force General Hospital, PLA, Beijing
Peking Union Medical College Hospital, Beijing
Chinese PLA General Hospital, Beijing
Dermatology Hospital of the Chinese Academy of Medical Sciences, Nanjing
Tianjin Medical University General Hospital, Tianjing
The Third Xiangya Hospital of Central South University, Changsha
Union Hospital Tongji Medical College Huazhong University of Science and Technology, Wuhan
The Third Affiliated Hospital of Sun Yat-sen University, Guanzhou
West China Hospital, Sichuan University, Chengdu
Lead Sponsor
Ipsen
INDUSTRY