Abstract
Background
Hepatocellular carcinoma (HCC) is responsible for 1% of deaths worldwide, and the incidence continues to increase. Despite surveillance programs, 70% of HCC patients are not suitable for curative options at diagnosis, and therefore, non-curative treatments are essential to modern clinical practice. There are many novel treatments, though their roles are not well defined. This study aimed to contrast Selective Internal Radiation Therapy (SIRT) and Drug Eluting Bead Transarterial Chemoembolisation (DEB-TACE) to further define their roles.
Methods
This was a retrospective multicentre cohort study. Factors included for analysis were type of HCC treatment, number of lesions, lesion size, multiple disease severity scores, cirrhosis and vascular invasion. The primary endpoint was transplant-free survival.
Results
Transplant-free survival was similar between the two cohorts (p = 0.654), despite a variation in median lesion size, SIRT: 54.5 mm, DEB-TACE: 34 mm (p ≤ 0.001). A univariate Cox proportional hazard model utilising treatment modality as the covariate showed no significant difference in survival (DEB-TACE HR 1.4 (95%CI 0.85–2.15 p = 0.207). The size of the largest lesion was the best predictor of 3-year survival (p = 0.035). Lesion size was inversely associated with survival (HR 1.01 (95%CI 1–1.02, p = 0.025)) on multivariate analysis.
Conclusion
This study is the first to catalogue the experience of using SIRT in HCC in a real-world Australian population. It has demonstrated no difference in survival outcomes between DEB-TACE and SIRT. Further, it has shown SIRT to be a reasonable alternative to DEB-TACE especially in larger lesions and has demonstrated that DEB-TACE has a role in select patients with advanced disease.
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Abbreviations
- HCC:
-
Hepatocellular carcinoma
- SIRT:
-
Selective Internal Radiation Therapy
- DEB-TACE:
-
Drug Eluting Bead Transarterial Chemoembolisation
- BCLC:
-
Barcelona Clinic Liver Cancer
- EASL:
-
European Association for the Study of the Liver
- AASLD:
-
American Association for Study of Liver Disease
- ECOG:
-
Eastern Cooperative Oncology Group
- TACE:
-
Transarterial chemoembolisation
- mRECIST:
-
Modified Response Evaluation Criteria in Solid Tumours
- MELD:
-
Model for End-Stage Liver Disease
- CP:
-
Child–Pugh
- IQR:
-
Interquartile range
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Lay Summary
SIRT is a reasonable alternative to DEB-TACE especially in larger lesions. DEB-TACE has a role in select patients with advanced disease.
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Hirsch, R.D., Mills, C., Sawhney, R. et al. SIRT Compared with DEB-TACE for Hepatocellular Carcinoma: a Real-world Study (the SITAR Study). J Gastrointest Canc 52, 907–914 (2021). https://doi.org/10.1007/s12029-020-00502-z
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DOI: https://doi.org/10.1007/s12029-020-00502-z