500
Participants
Start Date
May 1, 2018
Primary Completion Date
June 5, 2021
Study Completion Date
December 5, 2021
Conbercept
Intravitral injection of Conbercept (0.5 mg/0.05 mL, Chengdu Kanghong Biotech, Inc.)
Peking Union Medical College Hospital, Beijing
Peking Union Medical College Hospital
OTHER