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Brief Title: PHP and Immunotherapy in Metastasized UM
Official Title: Phase1b/2 Study Combining Hepatic Percutaneous Perfusion With Ipilimumab Plus Nivolumab in Advanced Uveal Melanoma
Study ID: NCT04283890
Brief Summary: Melanoma of the eye (ocular/uveal melanoma) is an uncommon type of cancer that is associated with a high mortality. It usually disseminates rapidly throughout the body, most commonly to the liver and lungs. In this study a combination therapy with immunotherapy (ipilimumab with nivolumab) and chemotherapy (melphalan) will be assessed for the treatment of disseminated uveal melanoma. Melphalan will be administered selectively to the liver via percutaneous hepatic perfusion, limiting the systemic effect of chemotherapy. With this treatment combination we aim to find a treatment for disseminated uveal melanoma, both in the liver as in the other organs.
Detailed Description: Uveal melanoma (UM) is an uncommon malignancy (0.6-0.7 cases/100.000/year) that, in the case of metastatic stage, has a poor prognosis for response to treatment and survival. It is remarkable for its purely hematogenous pattern of dissemination, most commonly to the liver (60%) and lungs (25%). Current approaches using percutaneous hepatic perfusion (PHP) with melphalan resulted in response rates of up to 40% in the liver (1, 2) (for results of our own phase II study see paragraph 6.3.2). However, a main part of the patients developed extrahepatic disease in the follow-up, whereas the liver metastases were mainly stable. Checkpoint inhibitors have been shown to improve overall survival in metastasized cutaneous melanoma in phase III studies (3-6), but seem to have limited activity as monotherapies in metastasized uveal melanoma (7-9). The combination of ipilimumab and nivolumab has achieved 2 out of 6 patients PR in a retrospective analysis (10). Interestingly, both patients had a liver-directed therapy (SIRT and chemoembolization) before the immunotherapy. Combination of radio-frequency ablation (RFA) and anti-CTLA-4 enhanced antigen-loading of dendritic cells, and induced long-lasting anti-tumor immune responses in a murine melanoma model without induction of any severe side effects (11, 12). A phase Ib/II trial by Blank et al. (13) showed unconfirmed responses in some patients when RFA was combined with ipilimumab in uveal melanoma, but long-term disease stabilization was not achieved. Most of the responses were seen in extrahepatic metastases. Combining percutaneous hepatic perfusion (PHP) with checkpoint inhibitors could together lead to control of hepatic and extrahepatic disease. Therefore, we propose the current trial: Phase1b/2 Study Combining Hepatic Percutaneous Perfusion with Ipilimumab plus Nivolumab in advanced Uveal Melanoma (CHOPIN).
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Leiden University Medical Center, Leiden, Zuid-Holland, Netherlands
Name: Ellen W. Kapiteijn, MD, PhD
Affiliation: Leiden University Medical Center
Role: PRINCIPAL_INVESTIGATOR