Abstract
Purpose
To evaluate the effectiveness comparing the combination of TACE with local ablative therapy and monotherapy on the treatment of HCC using meta-analytical techniques.
Methods
Randomized controlled trials and clinical studies comparing TACE plus local ablative therapy with monotherapy for HCC were included in this meta-analysis. Response rate, 1-, 2-, 3-, and 5-year survival rate, and overall survival (OS) were analyzed and compared.
Results
Eighteen studies included a total of 2,120 patients with HCC 1,071 and 1,049 patients for treatment with combination therapy and monotherapy, respectively. The combination therapy group had a significantly better survival in terms of 1-, 2-, 3-, and 5-year survival rate (RR 1.10, 95 % CI 1.03–1.18, P = 0.005; RR 1.20, 95 % CI 1.10–1.30, P < 0.0001; RR 1.43, 95 % CI 1.18–1.73, P < 0.0001; RR 1.40, 95 % CI 1.22–1.61, P < 0.0001, respectively), OS (HR 0.66, 95 % CI 0.51–0.85, P = 0.001), and response rate (RR 1.54, 95 % CI 1.09–2.18, P = 0.013) than that monotherapy group in patients with HCC.
Conclusions
The meta-analysis indicates that the combination of TACE with local ablative therapy was superior to monotherapy in the treatment for patients with HCC.



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Acknowledgements
This study was supported by the National Natural Science Foundation of China (71373175), the National Public Health Grand Research Foundation (201202017) and the National High Technology Research and Development Program of China (2012AA021003).
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We declared that there is no conflict of interest in this article.
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Lili Gu, Huiling Liu, and Linlin Fan have contributed equally to this work.
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Gu, L., Liu, H., Fan, L. et al. Treatment outcomes of transcatheter arterial chemoembolization combined with local ablative therapy versus monotherapy in hepatocellular carcinoma: a meta-analysis. J Cancer Res Clin Oncol 140, 199–210 (2014). https://doi.org/10.1007/s00432-013-1528-8
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DOI: https://doi.org/10.1007/s00432-013-1528-8