Study of Nifurtimox to Treat Refractory or Relapsed Neuroblastoma or Medulloblastoma

Study of Kidney Tumors in Younger Patients

Natural History Study of SCID Disorders

Testing the Effect of Adding Chronic Oral Azithromycin to Inhaled Tobramycin in People With CF

Neuroblastoma Maintenance Therapy Trial

Low Dose Oral Methotrexate in Pediatric Crohn's Disease Patients Initiating Anti-Tumor Necrosis Factor (Anti-TNF) Therapy

Safety of Dabigatran Etexilate in Blood Clot Prevention in Children

Reduced Craniospinal Radiation Therapy and Chemotherapy in Treating Younger Patients With Newly Diagnosed WNT-Driven Medulloblastoma

Phase 3 Study of Intranasal Carbetocin (LV-101) in Patients With Prader-Willi Syndrome

Bortezomib and Combination Chemotherapy in Treating Young Patients With Relapsed Acute Lymphoblastic Leukemia or Lymphoblastic Lymphoma

Patients Treated for SCID (1968-Present)

Pediatric Precision Laboratory Advanced Neuroblastoma Therapy

Combination Chemotherapy With or Without Temsirolimus in Treating Patients With Intermediate Risk Rhabdomyosarcoma

Project: Every Child for Younger Patients With Cancer

Open Label Study Comparing Efficacy and Safety of Dabigatran Etexilate to Standard of Care in Paediatric Patients With Venous Thromboembolism (VTE)

Trial of Tolcapone With Oxaliplatin for Neuroblastoma

Biomarkers in Tumor Tissue Samples From Patients With Newly Diagnosed Neuroblastoma or Ganglioneuroblastoma

Temozolomide, Cixutumumab, and Combination Chemotherapy in Treating Patients With Metastatic Rhabdomyosarcoma

A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs)

Combination Chemotherapy in Treating Young Patients With Newly Diagnosed High-Risk Acute Lymphoblastic Leukemia

Inotuzumab Ozogamicin in Treating Younger Patients With B-Lymphoblastic Lymphoma or Relapsed or Refractory CD22 Positive B Acute Lymphoblastic Leukemia

Noninferiority Trial of Liquid Human Milk Fortifier (HMF) Hydrolyzed Protein Versus Liquid HMF With Supplemental Liquid Protein

Maintenance Chemotherapy or Observation Following Induction Chemotherapy and Radiation Therapy in Treating Patients With Newly Diagnosed Ependymoma

Response and Biology-Based Risk Factor-Guided Therapy in Treating Younger Patients With Non-high Risk Neuroblastoma

Carvedilol in Preventing Heart Failure in Childhood Cancer Survivors