Abstract
Background
As stereotactic body radiation therapy (SBRT) has shown to be effective and safe in patients with hepatocellular carcinoma (HCC), the aim of our propensity score matched analysis was to evaluate the efficacy of SBRT in comparison to transarterial chemoembolization (TACE) in intermediate and advanced HCC.
Methods
Patients treated with TACE (n = 367) and patients allocated to SBRT (n = 35) were enrolled in this study. Propensity score matching was performed to adjust for differences in baseline and tumor characteristics of TACE and SBRT patients. Local tumor control (LC) 1 year after treatment, overall survival (OS) and 1-year mortality were assessed.
Results
Patients treated with SBRT have received more prior HCC treatments compared to TACE patients. The LC 1 year after treatment in the unmatched cohort was 74.4% for TACE patients compared to 84.8% in the SBRT group. Patients treated with TACE showed significantly improved OS (17.0 months vs. 9.0 months, p = 0.016). After propensity score matching, the LC in the TACE (n = 70) and SBRT (n = 35) group was comparable (82.9% vs. 84.8%, p = 0.805) and OS did not differ significantly in both groups.
Conclusions
SBRT after prior HCC therapy in selected patients shows comparable LC at 1 year, OS and 1-year mortality compared to patients treated with TACE.
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