RECRUITING Phase 2 ClinicalTrials.gov

Radiation Major Hepatectomy to Selectively Treat Large Unifocal Hepatocellular Carcinoma

Sponsor: Seoul National University Hospital • ClinicalTrials.gov ID: NCT06178198

Registry updated: 2026-08-20

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Description

The RESCUE trial is a prospective, single-arm clinical study to evaluate the efficacy and safety of ablative radioembolization using Yttrium-90. This treatment is being investigated as a potential curative approach, as well as a bridging or downstaging strategy for surgery, in patients with large hepatocellular carcinoma (greater than 8 cm) who maintain good liver function.

Interventions

Ablative radioembolization using Yttrium-90 resin microspheres (Procedure)
Based on 99mTc-MAA mapping, a partition model (multi-compartment MIRD) is employed to plan for a radiation dose of 400 (± 30%) to the tumor. If delivering this dose to the tumor is challenging due to lung dose limitations, the maximum feasible dose is administered to the tumor while maintaining the estimated lung dose below 15 Gy. While treating the entire tumor with a single high-dose radioembolization session is preferred, if necessary due to considerations like estimated lung dose, the treatment can be divided into two sessions, keeping the cumulative lung dose below 25 Gy. For any methods not covered in this discussion, refer to the SIR-Sphere user manual by Sirtex.

Eligibility criteria

Inclusion Criteria: 1. Adults aged 18 and over. 2. Patients diagnosed with hepatocellular carcinoma histologically and/or radiologically (LI-RADS 4 or 5). 3. Patients with no more than five lesions in dynamic contrast-enhanced CT or MRI, and the largest tumor diameter exceeding 8 cm. 4. Patients without vascular invasion and bile duct invasion in dynamic contrast-enhanced CT or MRI. 5. Patients with no extrahepatic metastasis in lung CT and contrast-enhanced abdominal CT or MRI. 6. Patients with no prior treatment for liver cancer. 7. Child-Pugh class A. 8. ECOG performance status of 1 or less. 9. Patients with no major organ dysfunction according to blood tests performed within one month of study enrollment. 1. Leukocytes ≥ 2,500/µL and ≤ 12,000/µL 2. Absolute neutrophil count ≥ 1,500 /mm\^3 3. Hemoglobin ≥ 8.0 g/dL (transfusion allowed to meet this criterion) 4. Total bilirubin ≤ 3.0 mg/dL 5. Platelet ≥ 50,000/µL 6. INR ≤ 2.0 for patients not taking anticoagulants 7. AST ≤ 200 IU/L (i.e., ≤ 5X upper normal limit) 8. ALT ≤ 200 IU/L (i.e., ≤ 5X upper normal limit) 9. ALP ≤ 575 IU/L (i.e., ≤ 5X upper normal limit) 10. Creatinine ≤ 2.0 mg/dL 10. Patients with a life expectancy of more than 3 months. 11. Patients who have adequately understood the clinical trial and consented in writing. 12. Non-pregnant women of childbearing potential. Exclusion Criteria: 1. Patients who are not suitable for ablative radioembolization as indicated by pre-treatment testing with macro-aggregated albumin labeled with technetium-99 (99mTc-MAA) for radioembolization. 1. Cases where the estimated lung dose exceeds 15 Gy when 150 Gy of absorbed dose is administered to the tumor based on the partition method. 2. Cases with severe hepatic artery-portal vein shunting that might lead to irradiation of the non-tumorous liver segments. 2. Patients whose volume of non-tumorous liver not included in the treatment area is less than 30% of the total non-tumorous liver volume. 3. Patients scheduled to use immunotherapy irrespective of the response to radioembolization. 4. Patients who have had active cancer within the last two years prior to the clinical trial participation. 5. Patients who have undergone surgery or procedures related to the bile duct. 6. Women who are pregnant or breastfeeding.

Conditions

Hepatocellular Carcinoma

Locations

Seoul National University Hospital — Seoul, Seoul, South Korea

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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