Ligufalimab and Cadonilimab in Advanced Liver Cancers

Inclusion criteria

• ✓. Histological confirmation of specific disease -Cohort A (HCC): Patient must have a diagnosis confirmed by histology or clinically by the American Association for the Study of Liver Diseases (AASLD) criteria in patients with cirrhosis. Known fibrolamellar HCC will be excluded.
• ✓. Locally advanced or metastatic disease
• ✓. Refractory to or relapsed after prior anti-PD-1/L1 antibody therapy. May have received anti-PD-1/L1 monotherapy or combination therapy as any line of therapy including in the neoadjuvant or adjuvant setting. Patients who discontinued prior immune checkpoint inhibitor treatment due to a high-grade toxicity (Grade 4) are not eligible.
• ✓. For patients in cohort A who do not have a clinical diagnosis of HCC according to the AASLD criteria, formalin-fixed, paraffin-embedded (FFPE) tumor diagnostic tissue samples must have been obtained within 4 years from the time of consent. Baseline tissue will be requested any time after consent. It is strongly recommended that tissue is obtained from standard-of-care biopsies confirming progression of disease on prior therapy so that the patient has not received any intervening systemic anti-cancer treatment from the time that the baseline tissue was obtained.
• ✓. Prior locoregional therapy is allowed provided the following are met: 1) at least 2 weeks since prior locoregional therapy including surgical resection, chemoembolization, radiotherapy, or ablation; 2) target lesion has increased in size ≥25% since the cessation of locoregional therapy or the target lesion was not treated with locoregional therapy. Patients treated with palliative radiotherapy for symptoms will be eligible as long as the target lesion is not the treated lesion and radiotherapy will be completed at least 2 weeks prior to study drug administration.
• ✓. Age ≥ 18 years
• ✓. Child-Pugh Score A or B7 (only applicable for Cohort A)
• ✓. ECOG Performance score of 0-1