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Isolated limb perfusion (ILP) is widely accepted as treatment for recurrent melanoma limited to the limbs. The use of ILP has decreased in recent years with the introduction of potentially effective new systemic therapies. We evaluated retrospectively if ILP still may be a treatment option in locally advanced melanoma. In Finland, ILP is centralized to the Comprehensive Cancer Center of Helsinki University Hospital. We included all ILP patients treated at our hospital between 2007 and 2018. Clinical factors and treatment outcomes were retrospectively evaluated. Altogether 60 patients received ILP. Toxicity was mostly transient. The overall response rate was 77% with 35% complete responses and 42% partial responses. The median progression-free survival (PFS) was 6.1 months (range 0.6-116.5 months) and the median melanoma-specific survival (MSS) was 29.9 months (range 3.5-138.7 months). Patients with CR had superior median PFS (19.7 months, range 2.5-116.5 vs. 4.5 months, range 0.6-39.7 months, P = 0.00003) and median MSS (median MSS not reached vs. 25.9 months, range 3.5-98.7 months, P = 0.0005) compared to other responders. Younger patients (

Background: In Finland, selective internal radiation therapy (SIRT) is at present the preferred first-line loco-regional therapy for uveal melanoma patients with hepatic metastases not suitable for surgery. We retrospectively evaluate the outcome and safety of SIRT in this group of patients.Material and methods: Yttrium-90 microspheres were delivered via the hepatic artery into the circulation of metastases from uveal melanoma in 18 patients with a predicted life expectancy of more than three months in three Finnish tertiary referral centers between November 2010 and December 2015. Progression-free survival (PFS), toxicity and overall survival (OS) were evaluated. Patients with historical uveal melanoma without extrahepatic metastases, who had received systemic chemotherapy as first-line treatment for their hepatic metastases at the Helsinki University Hospital between January 2006 and May 2010, were used as a historical control group.Results: Partial response and stable disease were observed in three (17%) and eight (44%) patients, respectively; one patient was not evaluable for response. Median PFS after SIRT was 5.6 (range, 1.3-40.8) months. Median OS after SIRT was 13.5 (range, 3.6-44.8) months compared with 10.5 (range, 3.0-16.5; p=.047) months for the historical chemotherapy group. Among patients who received SIRT as first-line treatment, the median OS was 18.7 (range, 8.2-44.8) months, significantly longer than that of the chemotherapy group (10.5 months, p=.017). There were no treatment-related deaths. Toxicity was mainly WHO grade 1-2 and self-limited.Conclusion: SIRT is a feasible and safe treatment for liver metastases in patients with uveal melanoma.