A pooled analysis of transarterial radioembolization with yttrium-90 microspheres for the treatment of unresectable intrahepatic cholangiocarcinoma
Authors Zhen Y, Liu B, Chang Z, Ren H, Liu Z, Zheng J
Received 25 January 2019
Accepted for publication 15 April 2019
Published 7 June 2019 Volume 2019:12 Pages 4489—4498
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Jyoti Bajaj
Peer reviewer comments 3
Editor who approved publication: Dr Jianmin Xu
Yanhua Zhen, Bin Liu, Zhihui Chang, Haiyan Ren, Zhaoyu Liu, Jiahe Zheng
Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, People’s Republic of China
Purpose: The aim of this pooled analysis was to evaluate the clinical efficacy and safety of transarterial radioembolization (TARE) with yttrium-90 (90Y) microspheres for the treatment of unresectable intrahepatic cholangiocarcinoma (ICC).
Methods: We searched the Cochrane Library, Embase, PubMed, SCI with the English language from inception to October 2018. A pooled analysis was conducted using Stata software.
Results: There were 16 eligible studies included in this pooled analysis. The pooled median overall survival (OS) from 12 studies was 14.3 (95% CI: 11.9–17.1) months. Based on Response Evaluation Criteria in Solid Tumors (RECIST), no complete response was reported, and the median of partial response, stable disease and progressive disease were 11.5% (range: 4.8–35.3%), 61.5% (range: 42.9–81.3%) and 22.7% (range: 12.5–52.4%) respectively. The pooled disease control rate (DCR) from nine studies was 77.2% (95% CI: 70.2–84.2%). According to the type of microspheres, subgroup analysis was performed, the median OS in the glass microspheres group was 14.0 (95% CI: 9.1–21.4) months, and 14.3 (95% CI: 11.5–17.8) months in the resin microspheres group. The DCR was 77.3% (95% CI: 63.5–91.1%) and 77.4% (95% CI: 66.8–87.9%) in the glass and resin microspheres groups respectively. Most of the side effects reported in the included studies were mild and did not require intervention.
Conclusion: TARE with 90Y microspheres is safe and effective for patients with unresectable ICC with acceptable side effects. And it seems that the type of microsphere has no influence on therapeutic efficacy.
Keywords: transarterial radioembolization, yttrium-90 microspheres, intrahepatic cholangiocarcinoma, pooled analysis
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