This study will investigate if Toripalimab (A PD-1 Inhibitor) will improve recurrence-free survival (RFS) compared to placebo in participants with HCC and are at high risk of recurrence after complete resection with no residual of tumour.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
402
Arm A: Toripalimab 240mg IV(Injection of Vein) Q3W Arm B: Placebo 240mg IV(Injection of Vein) Q3W
Zhongshan Hospital,Fudan University
Shanghai, Shanghai Municipality, China
BICR-RFS
Defined as the time from randomization to the first documented disease recurrence or death.
Time frame: Time frame is up to 31 months (for interim analysis, up to 44 months for Primary analysis)
Investigator-RFS
the time from randomization to the date of the first documented progressive disease (tumor evlauation by BICR in accordance with RECIST 1.1), or to the date of death for any cause, whichever occurs first
Time frame: up to 44 months
12-month recurrence-free survival rate (RFS12)
probability of patients without recurrence or death for any cause at Month 12
Time frame: up to 44 months
24-month recurrence-free survival rate (RFS24)
probability of patients without recurrence or death for any cause at Month 24
Time frame: up to 44 months
Time to recurrence (TTR)
the time from randomization to the first documented disease recurrence
Time frame: up to 44 months
Time to local recurrence (TTLR)
the time from randomization to the first documented local disease recurrence
Time frame: up to 44 months
Overall survival (OS)
the time from randomization to death for any cause
Time frame: up to 44 months
12- and 24-month overall survival rate (OS12 and OS24)
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probability of patients surviving at Month 12 and 24, respectively
Time frame: up to 44 months
Incidence of AEs
Incidence of AEs (including SAEs and AESIs) is evaluated by the investigator, and severity is determined in accordance with CTCAE v5.0
Time frame: up to 44 months