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Hu14.18K322A, Irinotecan, Temozolomide and Sargramostim with or without N-803 for the Treatment of Relapsed or Refractory Neuroblastoma

Trial Status: active

This phase II trial tests the safety, side effects, and effectiveness of hu14.18K322A, irinotecan, temozolomide and sargramostim with or without N-803 in treating neuroblastoma that has come back after a period of improvement (relapsed) or that has not responded to previous treatment (refractory). Hu14.18K322A is a monoclonal antibody that may interfere with the ability of tumor cells to grow and spread. A monoclonal antibody is a type of protein that can bind to certain targets in the body, such as molecules that cause the body to make an immune response (antigens). Irinotecan is in a class of antineoplastic medications called topoisomerase I inhibitors. It blocks a certain enzyme needed for cell division and deoxyribonucleic acid (DNA) repair and may kill tumor cells. Temozolomide is in a class of medications called alkylating agents. It works by damaging the cell's DNA and may kill tumor cells and slow down or stop tumor growth. Sargramostim is a substance that helps make more white blood cells, especially granulocytes, macrophages, and cells that become platelets. It is a cytokine that is a type of hematopoietic (blood-forming) agent. N-803 binds to receptors for the protein interleukin-15 (IL-15), which is found on certain types of immune cells. This may help the immune cells kill tumor cells. N-803 is a type of IL-15 receptor agonist and a type of immunotherapy. Adding N-803 to treatment with hu14.18K322A, irinotecan, temozolomide and sargramostim may be safe, tolerable and more effective in treating patients with relapsed or refractory neuroblastoma than this treatment without N-803.