This is a multicenter, randomized, double-blind, parallel-controlled, phase I clinical study to evaluate the PK characteristics, safety, efficacy, and immunogenicity of HLX13 and US-sourced YERVOY® in patients with unresectable hepatocellular carcinoma who have not received prior systemic therapy.
Subjects must have signed and dated an IRB/IEC-approved written informed consent form (ICF) in accordance with regulatory and institutional guidelines.
Male or female, 18 years ≤ age ≤ 65 years at the time of signing the ICF.
Body weight: 50 kg-85 kg.
Histologically diagnosed hepatocellular carcinoma (HCC); and must have an advanced HCC, defined as: a) not eligible for curative surgical and/or locoregional therapies; or b) progressive disease after surgical and/or locoregional therapies. Subjects with only a radiologic diagnosis of hepatocellular carcinoma may be enrolled for screening in the study but histological confirmation is mandatory prior to randomization.
With other histopathological types of hepatocellular carcinoma, including fibrolamellar hepatocellular carcinoma, sarcomatoid hepatocellular carcinoma, or mixed cholangiocarcinoma and hepatocellular carcinoma.
Other malignancies active within 3 years prior to or at screening except for localized tumors that have been cured such as basal cell carcinoma, squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast.
Liver transplant, or organ allograft or allogeneic bone marrow transplantation prior to screening, or the above transplantation is scheduled during the study.
History of hepatic encephalopathy prior to screening.