Abstract
Background & aims Optimizing transarterial chemoembolization (TACE) can enhance treatment efficacy for hepatocellular carcinoma (HCC). This study compares modified TACE (M-TACE), which combines a lipiodol-based emulsion and drug-eluting beads, with drug-eluting bead TACE (DEB-TACE) as initial therapies for solitary HCC. Methods In this retrospective study, 185 patients undergoing M-TACE or DEB-TACE were evaluated. Propensity score matching was used to create 69 balanced pairs. Initial tumor response, repeated treatments within six months, local tumor progression (LTP), overall survival (OS), and adverse events (AEs) were assessed. Results M-TACE exhibited significantly higher initial complete response (CR) rates (39.1% vs. 23.2%, p = 0.043) and fewer repeated treatments within six months (1.7 ± 0.9 vs. 2.1 ± 0.7; p = 0.033) compared to DEB-TACE. LTP rates were notably lower with M-TACE at 12 months (39.1% vs. 65.2%, p = 0.002), and median time to LTP was prolonged with M-TACE (13.3 vs. 8.2 months, p = 0.038). Stratified analysis revealed a significantly longer OS in individuals achieving a CR after the initial M-TACE (50.5 vs. 33.4 months, p = 0.043). However, the overall study population did not exhibit a significant difference in OS between the two groups. Comparable AEs (all p > 0.05) were observed. Conclusions M-TACE showed higher initial CR rates, lower LTP rates, and extended time to LTP compared to DEB-TACE, indicating its potential to enhance TACE effectiveness for solitary HCC.
Published Version
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