Brentuximab Vedotin and Combination Chemotherapy in Treating Children and Young Adults With Stage IIB or Stage IIIB-IVB Hodgkin Lymphoma

Carfilzomib in Combination With Cyclophosphamide and Etoposide for Children

Stress Hydrocortisone In Pediatric Septic Shock

HCRN Core Data Project: Characterizing Patient Populations in the Hydrocephalus Clinical Research Network (HCRN)

Total Therapy for Infants With Acute Lymphoblastic Leukemia (ALL) I

Simple Bone Cysts in Kids

Safety and Pharmacokinetics of Cobimetinib in Pediatric and Young Adult Participants With Previously Treated Solid Tumors

Binocular Dig Rush Game Treatment for Amblyopia

DxH520 Pediatric Reference Interval Verification

Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs

Amifampridine Phosphate for the Treatment of Congenital Myasthenic Syndromes

Study of Ataluren in Previously Treated Participants With Nonsense Mutation Dystrophinopathy (nmDBMD)

Patients Treated for SCID (1968-Present)

Natural History Study of SCID Disorders

Patients Treated for Chronic Granulomatous Disease (CGD) Since 1995

Safety and Dose Finding Study of Neratinib in Children and Young Adults With Cancer That Has Returned or Not Responded to Treatment

Study of Carfilzomib in Combination With Cyclophosphamide and Etoposide for Children With Relapsed or Refractory Solid Tumors and Leukemias