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Cancer Biother Radiopharm. 2010 Dec;25(6):657-63. doi: 10.1089/cbr.2010.0801.

Hepatic arterial iodine-131-labeled metuximab injection combined with chemoembolization for unresectable hepatocellular carcinoma: interim safety and survival data from 110 patients.

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The First Department of Interventional Radiology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China.


Few options are available to treat patients with hepatocellular carcinoma (HCC). It was tested whether the combination of iodine-131(¹³¹I)-metuximab with chemoembolization could improve outcomes in patients with intermediate HCC. Between April 2008 and April 2009, 110 patients with unresectable HCC were treated with 113 intra-arterial ¹³¹I-metuximab injections combined with chemoembolization (mean, 1.03 per patient; median, 1; range, 1-2), followed by 264 sessions of transcatheter arterial chemoembolization (mean, 2.4 per patient; median, 3; range, 1-6). The survival rates at 6, 12, and 18 months were 88.2%, 79.1%, and 57.4%, respectively, by the Kaplan-Meier method. Of these patients, 12% exhibited grade 3/4 bilirubin toxicity, 5% exhibited grade 3/4 white blood count toxicity, and 7% exhibited grade 3/4 platelet toxicity. Response rates based on World Health Organization and European Association for the Study of the Liver criteria were 42.73% and 61.82%, respectively. The combination of ¹³¹I-metuximab and chemoembolization appeared to extend survival in patients with unresectable HCC compared with historical controls, as well as being well tolerated by patients with Child-Pugh A and B. This combination may represent a promising treatment modality for patients with intermediate HCC.

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