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Combined Immunotherapy with Ipilimumab and Nivolumab or Nivolumab and Relatlimab and Radiation Therapy before Surgery for the Treatment of Sinonasal and Anorectal Melanoma

Trial Status: active

This phase II trial tests combined immunotherapy of ipilimumab and nivolumab or nivolumab and relatlimab and radiation therapy before surgery in patients with sinonasal and anorectal melanoma. Immunotherapy with ipilimumab and nivolumab or nivolumab and relatlimab, may induce changes in body's immune system and may interfere with the ability of tumor cells to grow and spread. Radiation therapy uses high energy rays to kill tumor cells and shrink tumors. Giving immunotherapy and undergoing radiation therapy before surgery may make the tumor smaller and may reduce the amount of normal tissue that needs to be removed. Patients who are able to have the entire tumor removed without residual disease left behind may do better than those who have disease remaining after surgery.