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. 2019 Jun 7:12:4489-4498.
doi: 10.2147/OTT.S202875. eCollection 2019.

A pooled analysis of transarterial radioembolization with yttrium-90 microspheres for the treatment of unresectable intrahepatic cholangiocarcinoma

Yanhua Zhen  1 , Bin Liu  1 , Zhihui Chang  1 , Haiyan Ren  1 , Zhaoyu Liu  1 , Jiahe Zheng  1
Affiliations

A pooled analysis of transarterial radioembolization with yttrium-90 microspheres for the treatment of unresectable intrahepatic cholangiocarcinoma

Yanhua Zhen et al. Onco Targets Ther. .

Abstract

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: intrahepatic cholangiocarcinoma; pooled analysis; transarterial radioembolization; yttrium-90 microspheres.

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Conflict of interest statement

The authors report no conflicts of interest in this work.

Figures

Figure 1
Figure 1
A flowchart of study identification and selection.
Figure 2
Figure 2
Pooled analysis of median overall survival. Abbreviation: OS, overall survival.
Figure 3
Figure 3
Pooled analysis of disease control rate. Abbreviation: DCR, disease control rate.
See this image and copyright information in PMC

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