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  • Title: Hepatic yttrium-90 radioembolization for metastatic melanoma: a single-center experience.
    Author: Memon K, Kuzel TM, Vouche M, Atassi R, Lewandowski RJ, Salem R.
    Journal: Melanoma Res; 2014 Jun; 24(3):244-51. PubMed ID: 24638152.
    Abstract:
    The aim of the study was to analyze the safety and efficacy of yttrium-90 ((90)Y) radioembolization in the treatment of unresectable hepatic melanoma metastases refractory to previous systemic/locoregional therapy. Between February 2004 and April 2010, 16 patients with hepatic melanoma metastases (ocular=7, skin=4, other sites=5) were treated with (90)Y radioembolization at a single center. Toxicity was assessed using the National Cancer Institute Common Terminology Criteria, version 3.0. Response to therapy was assessed by size and necrosis criteria. Progression-free survival (hepatic) and overall survival were calculated using the Kaplan-Meier method. The median dose to the treatment site was 108.57 Gy. Grade 1 and 2 clinical toxicities included fatigue (44%), nausea (19%), and vomiting (12%). Grade 3 absolute lymphocyte toxicity and aspartate aminotransferase toxicity were noted in 2 (12%) and 1 (7%) patients, respectively. Grade 4 bilirubin toxicity was observed in 1 (7%) patient. Overall, 13 (81%) patients showed disease control (response+stable disease) according to WHO, European Association for the Study of the Liver, and Response Evaluation Criteria for Solid Tumors. Progressive disease was observed in 3 (19%) patients according to WHO, European Association for the Study of the Liver, and Response Evaluation Criteria for Solid Tumors. The median overall and hepatic progression-free survival times were 7.63 and 4.23 months. Patients with disease control (responders+stable disease) survived longer than those with progressive disease (9.97 vs. 2.13 months, P<0.0001). Results from this small and single-center experience show that radioembolization is a safe therapy and its potential for being an efficacious therapy for hepatic melanoma metastases should be explored further. Radioembolization should be considered for liver-dominant disease refractory to other forms of systemic therapies.
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