Abstract
Purpose
This study aimed to compare the short-term efficacy of transarterial chemoembolization (TACE) with epirubicin-loaded superabsorbent polymer embolics (SAP) and conventional TACE in TACE-naïve patients with unresectable hepatocellular carcinoma (HCC).
Methods
Fifty consecutive patients (mean age, 72.8 years; hepatitis C, 46%; BCLC-A or B, 52% or 48%) treated with TACE with SAP during 2013–2015 and 55 consecutive patients (mean age, 71.8 years; hepatitis C, 40%; BCLC-A or B, 51% or 49%) treated with conventional TACE during 2011–2013 were evaluated. Safety evaluations were based on CTCAE ver. 4.0. Short-term efficacies, i.e., at 1 month after TACE, were assessed using the European Association for the Study of the Liver criteria. Overall survival rates were calculated using the Kaplan–Meier method. Short-term response markers were analyzed by univariate and multivariate analyses.
Results
There was no significant difference in the incidence of any grade of adverse events. The objective response rates were 50% and 62% in patients treated with TACE with SAP and with conventional TACE, respectively (P = 0.358). The overall survival rates were not significantly different (P = 0.810); the 1-year survival rates and the median survival time of the patients treated with TACE with SAP and with conventional TACE were 76% and 74%, and 18 months and 21 months, respectively. Overall survival was related to the short-term response. An alpha-fetoprotein level <1,000 ng/mL was a significant short-term response marker on multivariate analysis.
Conclusions
For TACE-naïve patients, TACE with SAP and conventional TACE had comparable safety and short-term efficacies.
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The study protocol was approved by the institutional ethics committee and complied with local laws and the Declaration of Helsinki.
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Informed consent was obtained from all individual participants included in the study.
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The original version of this article is revised. “Figure 2 was duplicated and placed incorrectly in place of Fig. 1. The correct version of Fig. 1 has been updated.”
An erratum to this article is available at http://dx.doi.org/10.1007/s00261-016-0999-x.
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Morimoto, M., Kobayashi, S., Moriya, S. et al. Short-term efficacy of transarterial chemoembolization with epirubicin-loaded superabsorbent polymer microspheres for hepatocellular carcinoma: comparison with conventional transarterial chemoembolization. Abdom Radiol 42, 612–619 (2017). https://doi.org/10.1007/s00261-016-0900-y
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DOI: https://doi.org/10.1007/s00261-016-0900-y