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Postoperative adjuvant chemo (embolization) therapy for hepatocellular carcinoma with portal vein tumor thrombosis

Authors Zhang YF, Shang H, Zeng XL, Ji H, Li YM, Lu HW

Received 19 April 2018

Accepted for publication 9 July 2018

Published 3 September 2018 Volume 2018:11 Pages 5407—5417


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Cho

Ya-Fei Zhang,1 Hao Shang,1 Xian-Ling Zeng,2 Hong Ji,1 Yi-Ming Li,1 Hong-Wei Lu1

1Department of General Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China; 2Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China

Background: The present meta-analysis was aimed to evaluate the effects of postoperative adjuvant chemotherapy/transarterial chemoembolization (TACE) on the survival/disease-free survival (DFS) rate in hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT).
Methods: The relevant trials were collected using a database search of MEDLINE, Embase, Cochrane Library, Web of Science, ScienceDirect, the China Journal Full-text Database, and the National Institute of Health Clinical Trials Database. The 1-, 3-, and 5-year survival/DFS rates were considered to be the primary end points. A sensitivity analysis was conducted by reanalyzing the data using different statistical approaches.
Results: Eight studies met the inclusion criteria. When compared with surgery alone, the pooled OR showed that the postoperative adjuvant therapy significantly increased the 1-, 3-, and 5-year survival rates for HCC patients with PVTT (the pooled OR and 95% CI of the 1-, 3-, and 5-year survival rates, respectively, were as follows: 2.72, 1.98–3.74; 1.62, 1.13–2.33; 1.99, 1.20–3.29). In addition, when compared with surgery alone, subgroup analysis showed that the postoperative chemotherapy improved the 1-, 3-, and 5-year survival rates of HCC patients with PVTT.
Conclusion: Compared with surgery alone, postoperative adjuvant chemotherapy can improve the 1-, 3- and 5-year survival rates of HCC patients with PVTT. However, postoperative TACE can only increase the 1-year survival rate. However, due to the limitations of this meta-analysis, additional relevant trials are required to confirm these findings.

Keywords: hepatocellular carcinoma, portal vein tumor thrombosis, meta-analysis, transarterial chemoembolization, survival rate, postoperative, chemotherapy

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