NCT00001565 Phase I and Pharmacokinetic Trial of Phenylbutyrate Given as a Continuous Infusion in Pediatric Patients With Refractory Malignancy Status COMPLETED Phase PHASE1
NCT00001509 A Phase II Trial of All-Trans-Retinoic Acid in Combination With Interferon-Alpha 2a in Children With Recurrent Neuroblastoma or Wilms' Tumor Status COMPLETED Phase PHASE2
NCT00001335 New Therapeutic Strategies for Patients With Ewing's Sarcoma Family of Tumors, High Risk Rhabdomyosarcoma, and Neuroblastoma Status COMPLETED Phase PHASE2