RecruitingPhase 1Drug trialFeasibility Study of Prolonged Administration of Naxitamab, Irinotecan, and Temozolomide for Patients With Relapsed or Refractory NeuroblastomaThis research is being done to investigate a treatment regimen of Irinotecan, Temozolomide, and Sargramostin, and an immunotherapy called Naxitamab and whether giving Naxitamab more slowly reduces the side effects for participants with relapsed or refractory neuroblastoma. The name of the study drugs involved in this study are: * Naxitamab (A type of monoclonal antibody) * Irinotecan (A standard of care chemotherapy) * Temozolomide (A standard of care chemotherapy) * Sargramostim (A standard of care, granulocyte-macrophage colony stimulating factor)