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Clinical Trial
. 2008 Mar;38(2):S40-5.
doi: 10.1053/j.semnuclmed.2007.10.006.

International Atomic Energy Agency-sponsored multination study of intra-arterial rhenium-188-labeled lipiodol in the treatment of inoperable hepatocellular carcinoma: results with special emphasis on prognostic value of dosimetric study

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Clinical Trial

International Atomic Energy Agency-sponsored multination study of intra-arterial rhenium-188-labeled lipiodol in the treatment of inoperable hepatocellular carcinoma: results with special emphasis on prognostic value of dosimetric study

Patricia Bernal et al. Semin Nucl Med. 2008 Mar.

Abstract

A multicenter study was sponsored by the International Atomic Energy Agency (IAEA) to assess the safety and efficacy of transarterial rhenium-188 ((188)Re) HDD lipiodol (radioconjugate to lipiodol using an HDD kit) in the treatment of unresectable hepatocellular carcinoma. During 5 years, 185 patients received at least 1 treatment of radioconjugate, and 51 were retreated. The level of radioconjugate administered was based on radiation-absorbed dose to critical normal organs, calculated after a "scout" dose of radioconjugate. The total injected activity, including the scout dose during the first treatment, ranged from 21 to 364 mCi (mean, 108 mCi/4 GBq). Immediate and late side-effects were minimal. Tumor size could be evaluated in 88 patients. Among these patients, the objective response rate was 25%; stable disease was observed in 53% and tumor progression in 22%. With a median follow-up of 455 days, the estimated 12- and 24-month overall survival was 46% and 23%. This multicenter study shows that (188)Re lipiodol is a safe and cost-effective method to treat primary hepatocellular carcinoma via the transarterial route and requires further evaluation by treatment of greater numbers of patients.

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