45
Participants
Start Date
February 2, 2023
Primary Completion Date
February 2, 2026
Study Completion Date
February 2, 2027
Surufatinib + envafolimab
Surufatinib: oral, fix dose 250mg, once a day; Envafolimab: subcutaneous injection, fix dose 300mg, once every three weeks
Peking Union Medical College Hospital
OTHER