NCT00003597 2014-07-24Colony-Stimulating Factors in Treating Children With Recurrent or Refractory Solid TumorsChildren's Oncology GroupPhase 1 Completed16 enrolled
NCT00002643 2013-02-01Combination Chemotherapy in Treating Patients With Newly Diagnosed Metastatic Ewing's Sarcoma or Primitive Neuroectodermal TumorNational Cancer Institute (NCI)Phase 2 Completed130 enrolled