Cathomas, Marionna; Mueller, Flavian; Mertineit, Nando; Baumgartner, Iris; Candinas, Daniel; Berzigotti, Annalisa; Maurer, Martin H; Lachenmayer, Anja (2023). Comparison of transarterial bland embolization and drug-eluting beads transarterial chemoembolization for very early and early hepatocellular carcinoma not amenable for surgery or ablation: a single center retrospective data analysis. Journal of gastrointestinal oncology, 14(5), pp. 2167-2177. AME Publishing 10.21037/jgo-23-261
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BACKGROUND
Transarterial chemoembolization (TACE) is the accepted therapy for intermediate hepatocellular carcinoma (HCC). Although recent data suggests that bland transarterial embolization (TAE) is equally effective in intermediate HCC, not much is known about the efficacy in very early and early HCC not amenable for ablation or resection. We aimed to compare the outcome of patients with very early and early HCC treated by drug-eluting beads TACE (DEB-TACE), a specific technique of TACE using DC beads, and TAE using microparticles with a size of 100 µm up to 700 µm.
METHODS
Clinical data of totally 95 patients with very early and early HCC not amenable for surgery or ablation, treated between 2009 and 2019 at the Department of Visceral Surgery and Medicine and the Interdisciplinary Center of Vascular Interventions, University Hospital Bern, Switzerland, were retrospectively analyzed (52 patients in DEB-TACE and 42 patients in TAE group, respectively). All images were assessed using the modified Response Evaluation Criteria in Solid Tumors (mRECIST). Primary endpoint was overall survival (OS). Secondary endpoints were local response rate and time to local progression.
RESULTS
Most patients presented with Child-Pugh A. Thrombocytes were significantly lower in patients treated by TAE. Minor side effects occurred equally in both groups. No differences were detected in terms of OS, local tumor recurrence and response rate.
CONCLUSIONS
Compared with DEB-TACE, TAE is an equally effective and save therapy for very early and early HCC not amenable for resection or ablation without differences in local tumor control and OS.
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