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Int J Cancer. 2017 Sep 1;141(5):1011-1017. doi: 10.1002/ijc.30804. Epub 2017 Jun 8.

Pro-angiogenic TIE-2-expressing monocytes/TEMs as a biomarker of the effect of sorafenib in patients with advanced hepatocellular carcinoma.

Author information

1
Department of Liver Disease, The Research Center for Hepatitis and Immunology, National Center for Global Health and Medicine, Ichikawa, Japan.
2
Department of Gastroenterological Surgery I, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
3
Department of Genome Medical Sciences Project, The Research Center for Hepatitis and Immunology, National Center for Global Health and Medicine, Ichikawa, Japan.
4
Department of Hepatology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hosptital, Tokyo, Japan.
5
Division of Gastroenterology, Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Japan.
6
Department of Gastroenterology and Hepatology, National Center for Global Health and Medicine, Kohnodai Hospital, Ichikawa, Japan.

Abstract

Sorafenib, a multi-kinase inhibitor, inhibits tumor angiogenesis and is the first-line systemic therapy for patients with advanced hepatocellular carcinoma (HCC). However, due to its limited effects and frequent occurrence of side effects, biomarkers are needed to predict the effects of sorafenib. We considered the possibility of using TIE-2-expressing monocytes (TEMs) to predict the response in sorafenib-treated patients with advanced HCC. TEMs serve as a diagnostic marker of HCC and are related to angiogenesis. We analyzed 25 advanced HCC patients and prospectively evaluated TEMs before (Pre TEMs) and at 1 month after initial therapy (T1m TEMs). The radiologic response was evaluated by modified Response Evaluation Criteria in Solid Tumors (mRECIST). Median survival time (MST) was significantly longer in the partial response/stable disease (PR/SD) group (21.8 months) than in the PD group (8.7 months). ΔTEMs (changes of T1m TEMs compared to Pre TEMs) were significantly lower in the PR/SD group than in the PD group. MST of the ΔTEMs low group (14.2 months) was significantly longer than that of the high group (8.7 months). Univariate and multivariate Cox regression analyses showed that ΔTEMs [hazard ratio (HR) = 8.53, 95% confidence interval (CI) = 1.51-48.16, p = 0.015] and Child-Pugh class (HR = 5.59, 95% CI = 1.06-29.63, p = 0.043) were independently associated with overall survival. Our results suggest that ΔTEMs could serve as a biomarker for predicting radiologic response and overall survival in sorafenib-treated patients with advanced HCC.

KEYWORDS:

TEMs; angiogenesis; hepatocellular carcinoma; sorafenib

PMID:
28555943
DOI:
10.1002/ijc.30804
[Indexed for MEDLINE]
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