4.3 Article

Safety of Percutaneous Hepatic Perfusion with Melphalan in Patients with Unresectable Liver Metastases from Ocular Melanoma Using the Delcath Systems' Second-Generation Hemofiltration System: A Prospective Non-randomized Phase II Trial

Journal

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY
Volume 42, Issue 6, Pages 841-852

Publisher

SPRINGER
DOI: 10.1007/s00270-019-02177-x

Keywords

Percutaneous hepatic perfusion; Chemosaturation; Melphalan; Liver metastasis; Melanoma

Funding

  1. Delcath Systems Inc.

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PurposeTo investigate the safety and toxicity of percutaneous hepatic perfusion with melphalan (M-PHP) with the Delcath Systems' second-generation (GEN 2) filter and compare the outcomes with historical data from studies using the first-generation filter.Materials and MethodsA prospective, single-arm, single-center phase II study was carried out including 35 patients with unresectable, histologically confirmed liver metastases from ocular melanoma between February 2014 and June 2017. Main exclusion criteria were extrahepatic disease and age>75years. M-PHP was performed with melphalan 3mg/kg (maximum dose 220mg). Safety and toxicity were assessed according to the Common Terminology Criteria for Adverse Events version 4.03.ResultsA total of 67 M-PHPs were performed in 35 patients (median 2 procedures). Although hematologic grade 3/4 events were seen in the majority of patients (thrombocytopenia 54.5%, leukopenia 75.6%, neutropenia 66.7%, anemia (only grade 3) 18.1%), these were all well manageable or self-limiting. Of the non-hematologic grade 3 events (n=14), febrile neutropenia (n=3), pulmonary emboli (n=2) and post-procedural hemorrhage (n=2) were most common. A case of sepsis with bacterial pharyngitis was the only non-hematologic grade 4 event. Prior therapy for liver metastases was found to be a predictor of late grade 3/4 neutropenia with an odds ratio of 5.5 (95% CI 1.4-21.7).ConclusionsM-PHP using the GEN 2 filter has an acceptable safety and toxicity profile, and seems to reduce hematologic toxicity when compared to M-PHP with a first-generation filter. Prior therapy of liver metastases is a possible predictive factor in developing grade 3/4 hematologic toxicity.

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