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Ex-Vivo Expanded and Activated Donor NK Cells and Hu14.18-IL2 in Treating Patients with Relapsed or Refractory Neuroblastoma or Osteosarcoma

Trial Status: withdrawn

This phase I trial studies the side effects of ex-vivo expanded and activated donor NK cells and hu14.18-IL2 in treating patients with neuroblastoma or osteosarcoma that has come back (relapsed) or does not respond to treatment (refractory). Expanded and activated donor NK cells may be able to kill the cancer cells better. Hu14.18-IL2 binds to NK cells and may be able to activate them, improving their ability to stay alive, multiply, and kill cancer cells. Giving ex-vivo expanded and activated donor NK cells and hu14.18-IL2 may work better in treating patients with neuroblastoma or osteosarcoma.