Nemvaleukin Alfa Monotherapy and in Combination With Pembrolizumab in Patients With Advanced Cutaneous or Mucosal Melanoma - ARTISTRY-6

Eligibility Criteria

• * The patient must have the following tumor types:
• * Patients must have disease that is measurable based on RECIST 1.1., that has not recently been irradiated or used to collect a biopsy.
• * Cohorts 1 and 2 (required), Cohort 3 (optional), Cohort 4 (may be required, otherwise optional). Patient is willing to undergo a pretreatment tumor biopsy or provide qualifying archival tumor tissue.
• * Patient has an Eastern Cooperative Oncology Group (ECOG) status of 0 or 1 and an estimated life expectancy of ≥3 months.
• * Additional criteria may apply.
• * Patient has uveal melanoma (all cohorts) or acral melanoma (Cohort 2, Cohort 3 and Cohort 4).
• * Patient has received prior interleukin (IL)-2-based or IL-15-based cytokine therapy; patient has had exposure, including intralesional, to IL-12 or analogs thereof.
• * Patient requires systemic corticosteroids (\>10 mg of prednisone daily, or equivalent) however, replacement doses, topical, ophthalmologic, and inhalational steroids are permitted.
• * Patient has undergone prior solid organ and/or non-autologous hematopoietic stem cell or bone marrow transplant.
• * Patient is currently pregnant, breastfeeding, or is planning to become pregnant or to begin breastfeeding during the study period or within 30 days (Cohorts 1,2, and 3) or 120 days (Cohort 4) after last study drug administration.
• * Patients with active or symptomatic central nervous system metastases unless the metastases have been treated by surgery and/or radiation therapy and/or gamma knife, the subject has been tapered to a dose of 10 mg of prednisone (or equivalent) or less of corticosteroids for at least 2 weeks before the first dose, and the subject is neurologically stable. Patients with leptomeningeal disease are excluded.
• * Patient has known or suspected hypersensitivity to any components of nemvaleukin (all cohorts) or to pembrolizumab (cohort 4 only).
• * Patients with an uncontrollable bleeding disorder.
• * Patient has QT interval corrected by the Fridericia Correction Formula values of \>470 msec (in females) or \>450 msec (in males); patient who is known to have congenital prolonged QT syndromes; or patient who is on medications known to cause prolonged QT interval on ECG.
• * Patient has developed Grade ≥3 immune-related AEs (irAEs) while on prior immunotherapy, (eg, pneumonitis and nephritis) and has not recovered to ≤Grade 1 and/or are on systemic steroids within 14 days of first dose of study drug.
• * Patients who have previously discontinued immunotherapy due to immune-related adverse event (irAEs) will be excluded.
• * Cohort 4 only: Patient has a history of (noninfectious) pneumonitis that required steroids or has current pneumonitis.
• * Additional criteria may apply.