ArticleWorld journal of hepatology2025
Stereotactic body radiation therapy in patients with unresectable hepatocellular carcinoma and portal vein tumor thrombosis.
Article in World journal of hepatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAbout 35%-50% of patients with hepatocellular cancer (HCC) present with portal venous tumor thrombosis (PVTT). Stereotactic body radiation therapy (SBRT) offers a promising approach for locoregional treatment in patients with HCC with PVTT. This study aimed to report the clinical characteristics and early outcomes of patients with unresectable HCC and PVTT treated with SBRT.
aimTo report the clinical characteristics and early outcomes of patients with unresectable HCC and PVTT treated with SBRT.
methodsThis retrospective, single-institution study included adult HCC patients with PVTT treated between March 2020 and December 2023. Eligibility criteria included Child-Pugh A-B liver function, serum bilirubin < 3 mg/dL, Eastern Co-operative Oncology Group performance status 0-2, a normal liver volume > 700 cc, and a tumor-lumen distance > 5 mm. SBRT dose and fractionation were determined based on tumor volume and organ-at-risk constraints. Baseline clinical and dosimetric parameters were recorded. Survival analysis was performed using Kaplan-Meier curves, response was assessed at 3 months post-SBRT using the Revised Response Evaluation Criteria in Solid Tumors 1.1 criteria, and toxicity was graded per Common Terminology Criteria for Adverse Events 4.0.
resultsThirty patients (median age: 65 years, 90% male) were included. Sixteen (53.3%) were Child-Pugh A, and fourteen (46.6%) were Child-Pugh B. Sixty percent had VP4 disease. SBRT doses ranged from 30-50 Gy in 5-6 fractions. The median tumor diameter was 6.1 cm, and the median follow-up was 15 months. The overall response rate was 83.3%, with a median overall survival of 13 months and progression-free survival of 10.2 months. No grade 4 toxicities were observed.
conclusionSBRT has the potential to be an effective modality for locoregional control in patients with unresectable HCC with PVTT.
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