A Study to Evaluate the Efficacy and Safety of IBI310 and Sintilimab Combination Therapy in Patients With Hepatocellular Carcinoma as First-line Treatment.

This study is a randomized, controlled, open-label, multicenter, seamless Phase II/III trial designed to evaluate the efficacy and safety of the combination regimen of IBI310 and sintilimab in participants with locally advanced or metastatic hepatocellular carcinoma (HCC) who are: (1) treatment-naive to systemic therapy; and (2) either unsuitable for curative-intent surgical resection or local therapy, or have experienced disease progression following prior surgical resection or local therapy.