Safety and Feasibility of Stereotactic Body Radiation Therapy for Patients With Hepatocellular Carcinoma and Advanced Cirrhosis Awaiting Liver Transplantation: A Prospective Pilot Clinical Trial
Abstract
Purpose: Liver transplantation is the definitive treatment for hepatocellular carcinoma (HCC) in eligible patients with cirrhosis. Bridging liver-directed therapies are critical for maintaining transplant eligibility during long wait times. However, due to the fear of decompensation, many advanced cirrhotic patients are excluded from receiving liver-directed therapies. This prospective pilot clinical trial evaluated the feasibility, safety, and efficacy of stereotactic body radiation therapy (SBRT) as a bridging therapy in an advanced cirrhotic HCC population.
Methods and materials: HCC patients with Child-Pugh B8 or worse cirrhosis and eligible for liver transplant were enrolled. SBRT to 40 Gy in 5 fractions was delivered to a single HCC as a bridging strategy. The primary endpoint was the proportion of patients who were transplant eligible up to 1 year following SBRT. Secondary endpoints included disease control per modified Response Evaluation Criteria in Solid Tumors, proportion of patients that proceeded to transplant, incidence of nonclassical radiation-induced liver disease (RILD) within 1 week to 3 months after SBRT, and incidence of liver toxicity per Common Terminology Criteria for Adverse Events v5.0.
Results: Between 2019 and 2023, 9 patients with Child-Pugh B8 or worse cirrhosis were enrolled. Median follow-up was 11.2 months with a 22% death rate. Six patients (67%) were transplanted or remained transplant eligible 1 year after SBRT. Three patients (33%) failed…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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