Abstract
PurposeTo evaluate clinical outcomes of drug-eluting beads transarterial chemoembolization (DEB-TACE) with CalliSpheres microspheres and conventional TACE (cTACE) as the initial treatment in patients with unresectable hepatocellular carcinoma (HCC) beyond up-to-seven criteria. MethodsThe study retrospectively assessed the medical records of HCC patients beyond up-to-seven criteria who received the initial treatment of DEB-TACE or cTACE from June 2016 to December 2019 in our institution. To reduce the patient selection bias, propensity score matching (PSM) analysis was used. The objective response rate (ORR), disease control rate (DCR), progression-free survival (PFS), overall survival (OS) and adverse events (AEs) were compared between the two groups. In addition, prognostic factors affecting PFS and OS were analyzed by univariate and multivariate methods. ResultsA total of 312 eligible HCC patients were included in the study, including 140 patients in the DEB-TACE group and 172 patients in the cTACE group. 110 patients were chosen in each group after PSM analysis and there were no significant differences in baseline characteristics (P > 0.05). Before PSM analysis, DEB-TACE had better ORR and DCR compared to cTACE group (P < 0.05). After PSM analysis, the ORR for DEB-TACE group was still higher than that for cTACE group, while no significant difference in the DCR between the two groups. In addition, DEB-TACE group had better survival benefits than cTACE group before PSM analysis (mPFS: 11.5 months vs 9.0 months, P < 0.001; mOS: 24.0 months vs 19.2 months, P = 0.045). Similarly, after PSM analysis, the median PFS and OS in the DEB-TACE group were still higher than that in the cTACE group (mPFS: 11.1 months vs 9.0 months, P = 0.015; mOS: 25.0 months vs 19.0 months, P = 0.030). Further, the univariate and multivariate analysis indicated that DEB-TACE treatment was a positive prognostic factor for PFS and OS. ConclusionDEB-TACE with CalliSpheres microspheres might be an effective and safe treatment for patients with unresectable HCC beyond up-to-seven criteria.
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