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Stereotactic Body Radiation Therapy versus Surgical Resection for Stage I/II Hepatocellular Carcinoma


ABSTRACT:

Simple Summary

The treatment of localized liver cancer remains a persistent clinical challenge. This study compared surgical resection to stereotactic body radiation therapy and demonstrated a prolonged overall survival after surgery. The use of SBRT needs to be evaluated in prospective trials and should be limited to patients who are not surgical candidates.

Abstract

SBRT is an emerging locoregional treatment modality for hepatocellular carcinoma (HCC). Although local tumor control rates seem encouraging, large-scale survival data comparing SBRT to surgical resection are lacking. We identified patients with stage I/II HCC from the National Cancer Database amenable for potential surgical resection. Patients undergoing hepatectomy were matched by propensity score (1:2) with patients who underwent SBRT as primary treatment. A total of 3787 (91%) and 366 (9%) patients underwent surgical resection or SBRT between 2004 and 2015, respectively. After propensity matching, the 5-year overall survival was 24% (95% CI 19–30%) in the SBRT group versus 48% (95% CI 43–53%) in the surgery group (p < 0.001). The association of surgery with overall survival was consistent in all subgroups. In patients treated with SBRT, a biologic effective dose (BED) of ≥100 Gy (31%, 95% CI 22%–40%) compared with BED < 100 Gy (13%, 95% CI 8–22%) was associated with a higher 5-year overall survival rate (hazard ratio of mortality of 0.58, 95% CI 0.43–0.77; p < 0.001). Surgical resection may be associated with prolonged overall survival compared with SBRT in patients with stage I/II HCC.

SUBMITTER: Birgin E 

PROVIDER: S-EPMC10136632 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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