NCT07500220 Dual-Target GPC3/B7-H3 CAR-NK Cells for Advanced HCC

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 30 participants in total. It began in 2026-03-02 with a primary completion date of 2027-03-14.

Brief Summary

open-label trial of an allogeneic dual-target CAR-NK product directed against GPC3 and B7-H3 for adults with advanced hepatocellular carcinoma. The design intentionally uses GPC3 as the primary target anchor because GPC3 is the dominant HCC cell-therapy antigen in current clinical development, while adding B7-H3 to reduce antigen escape and to broaden coverage across tumor and tumor-microenvironment compartments. The study first evaluates safety and dose-limiting toxicities, then expands at the recommended phase 2 dose.

Eligibility Criteria

Inclusion Criteria: * Age 18 to 75 years. * Histologically or cytologically confirmed HCC, or radiologically diagnosed HCC with mandatory tissue confirmation of target expression before enrollment. * Unresectable, locally advanced, or metastatic HCC not amenable to curative surgery, transplant, or further locoregional therapy; BCLC stage C, or stage B that is not suitable for or has progressed after locoregional therapy. * Disease progression on, intolerance to, or ineligibility for at least 1 prior standard systemic regimen. * Central pathology showing GPC3 positivity in \>=25% of viable tumor cells by IHC and B7-H3 positivity in \>=10% of tumor cells and/or tumor-associated stromal/vascular cells by IHC. * At least 1 measurable lesion by RECIST 1.1; intrahepatic lesions must be assessable by contrast-enhanced triphasic CT or MRI. * ECOG performance status 0 to 1. * Child-Pugh class A or stable Child-Pugh B7 without uncontrolled ascites or recent encephalopathy. * Estimated life expectancy \>=12 weeks. * Adequate organ function: WBC \>=2.5 x 10\^9/L; platelets \>=60 x 10\^9/L; hemoglobin \>=9 g/dL; serum albumin \>=30 g/L; creatinine clearance \>=40 mL/min; AST/ALT \<=5 x ULN; total bilirubin \<=2.5 x ULN; INR/prothrombin time within protocol-defined range. * If HBsAg positive or anti-HBc positive, HBV DNA must be \<200 IU/mL and the participant must be on appropriate antiviral therapy before lymphodepletion. Controlled HCV is allowed if per protocol. * Negative serum pregnancy test for participants of childbearing potential and agreement to effective contraception. * Ability to understand and sign informed consent. Exclusion Criteria: * Prior gene-modified cellular therapy (for example prior CAR-T, CAR-NK, or TCR-engineered therapy) within the protocol-defined washout period or with unresolved clinically significant toxicity. * Active, uncontrolled infection, including uncontrolled bacterial, viral, or fungal infection; uncontrolled HIV; active HBV or HCV with uncontrolled viral load; or active tuberculosis. * Known active CNS metastases or leptomeningeal disease requiring escalating steroids or urgent local intervention. * Liver transplant or other solid-organ transplant history, or current requirement for chronic immunosuppression. * Clinically significant ascites requiring frequent drainage, grade \>=2 hepatic encephalopathy within 4 weeks, or recent clinically significant variceal/GI bleeding. * Extensive liver replacement by tumor (for example \>=70%) or complete major portal vein/hepatic venous obstruction judged to create excessive treatment risk. * Major surgery, locoregional therapy, radiotherapy, or systemic anticancer therapy too close to lymphodepletion per protocol-defined washout period. * Active autoimmune disease requiring systemic immunosuppressive therapy, or chronic systemic corticosteroids above protocol threshold. * Clinically significant cardiovascular disease (recent myocardial infarction, unstable arrhythmia, uncontrolled heart failure), uncontrolled pulmonary disease, or other serious comorbidity that materially increases study risk. * Pregnant or breastfeeding. * Any other active malignancy that is progressing or requires current systemic treatment. * Any medical or psychiatric condition that, in the investigator's judgment, would compromise safety, protocol compliance, or interpretation of results.

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