The study consists of dose escalation and dose expansion, the mTPI-2 (Modified Toxicity Probability Interval) will be used for dose exploration. The preset dose of KN046 is 5 mg/kg Q3W and the preset dose of ningatinib is 10 mg (rapid titration), 20 mg QD, 30 mg QD, and 40 mg QD.Dose expansion will be divided into two cohorts, cohort 1 will enroll subjects who have not received system therapy and cohort 2 will enroll subjects who have previously received at least first-line system therapy.
This study is an open, multi-center clinical trial, the purpose is to study the safety and preliminary efficacy of KN046 combined with Ningatinib in subjects with advanced hepatocellular carcinoma.