Neuropsychological and Behavioral Testing in Younger Patients With Cancer

Longitudinal Study of Mitochondrial Hepatopathies

Tivantinib in Treating Younger Patients With Relapsed or Refractory Solid Tumors

Adavosertib and Local Radiation Therapy in Treating Children With Newly Diagnosed Diffuse Intrinsic Pontine Gliomas

Pediatric Vasculitis Initiative

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

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

Nivolumab With or Without Ipilimumab in Treating Younger Patients With Recurrent or Refractory Solid Tumors or Sarcomas

DFMO in Children With Type 1 Diabetes

Cerebrotendinous Xanthomatosis (CTX) Prevalence Study

Entinostat in Treating Pediatric Patients With Recurrent or Refractory Solid Tumors

Safety and Efficacy Study of Transcatheter Closure of Ostium Secundum ASDs

131I-omburtamab Radioimmunotherapy for Neuroblastoma Central Nervous System/Leptomeningeal Metastases

Selumetinib Sulfate in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With Activating MAPK Pathway Mutations (A Pediatric MATCH Treatment Trial)

Naxitamab for High-Risk Neuroblastoma Patients With Primary Refractory Disease or Incomplete Response to Salvage Treatment in Bone and/or Bone Marrow

Veliparib, Radiation Therapy, and Temozolomide in Treating Participants With Newly Diagnosed Malignant Glioma Without H3 K27M or BRAFV600E Mutations

Patient-Centered Decision Support to Improve Diabetes Management in Pre-Teens and Adolescents With Type 1 Diabetes

Long-Term Follow-Up of Patients Who Have Participated in Children's Oncology Group Studies

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

Evaluation of Purified Poloxamer 188 in Vaso-Occlusive Crisis of Sickle Cell Disease (EPIC)

Congenital Sucrase-Isomaltase Deficiency (CSID) Genetic Prevalence Study (GPS)

Blinatumomab in Treating Younger Patients With Relapsed B-cell Acute Lymphoblastic Leukemia

Phase 1 Trial of Bevacizumab Treatment for Severe Retinopathy of Prematurity

Project: Every Child for Younger Patients With Cancer

Anti-Angiogenic Preeclampsia Milieu Impairs Infant Lung and Vascular Development

FibroScan™ in Pediatric Cholestatic Liver Disease (FORCE)

Sofosbuvir/Velpatasvir in Adolescents and Children With Chronic HCV Infection

Iobenguane I-131 or Crizotinib and Standard Therapy in Treating Younger Patients With Newly-Diagnosed High-Risk Neuroblastoma or Ganglioneuroblastoma

MRI to Characterize and Predict CF Liver Disease in PUSH Cohort

Personalized Research on Diet in Ulcerative Colitis and Crohn's Disease

Trametinib in Treating Patients With Relapsed or Refractory Juvenile Myelomonocytic Leukemia

Olaparib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With Defects in DNA Damage Repair Genes (A Pediatric MATCH Treatment Trial)

Lactobacillus Plantarum in Preventing Acute Graft Versus Host Disease in Children Undergoing Donor Stem Cell Transplant

Nanoparticle Albumin-Bound Rapamycin, Temozolomide, and Irinotecan Hydrochloride in Treating Pediatric Patients With Recurrent or Refractory Solid Tumors

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

Palbociclib in Treating Patients With Relapsed or Refractory Rb Positive Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With Activating Alterations in Cell Cycle Genes (A Pediatric MATCH Treatment Trial)

Ulixertinib in Treating Patients With Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With MAPK Pathway Mutations (A Pediatric MATCH Treatment Trial)

A Prospective Database of Infants With Cholestasis

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

NAFLD Pediatric Database 2

Gastric Pacemaker Implantation for Gastroparesis

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

Registry for Participants With Short Bowel Syndrome

A Registry for Adolescent and Pediatric Participants Who Received a Gilead Hepatitis C Virus Direct Acting Antiviral (DAA) in Gilead-Sponsored Chronic Hepatitis C Infection Trials

Response-Based Chemotherapy in Treating Newly Diagnosed Acute Myeloid Leukemia or Myelodysplastic Syndrome in Younger Patients With Down Syndrome

Comparison of AmblyzTM Glasses and Patching for Amblyopia

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

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

A Study of the Safety and Pharmacokinetics of Apixaban Versus Vitamin K Antagonist (VKA) or Low Molecular Weight Heparin (LMWH) in Pediatric Subjects With Congenital or Acquired Heart Disease Requiring Anticoagulation

Prexasertib in Treating Pediatric Patients With Recurrent or Refractory Solid Tumors

Rituximab and LMP-Specific T-Cells in Treating Pediatric Solid Organ Recipients With EBV-Positive, CD20-Positive Post-Transplant Lymphoproliferative Disorder

Larotrectinib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With NTRK Fusions (A Pediatric MATCH Treatment Trial)

Vemurafenib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With BRAF V600 Mutations (A Pediatric MATCH Treatment Trial)

Biospecimen Analysis in Determining Effects of Chemotherapy on Fertility in Osteosarcoma Survivors

Targeted Therapy Directed by Genetic Testing in Treating Pediatric Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphomas, or Histiocytic Disorders (The Pediatric MATCH Screening Trial)

Saline Hypertonic in Preschoolers + CT

CHaractErizing CFTR Modulated Changes in Sweat Chloride and Their Association With Clinical Outcomes

Longitudinal Assessment of Transient Elastography in Cystic Fibrosis

A Study to Evaluate the Efficacy and Safety of Daratumumab in Pediatric and Young Adult Participants Greater Than or Equal to (>=)1 and Less Than or Equal to (

Evaluating the Genetic Causes and Progression of Cholestatic Liver Diseases (LOGIC)

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

An Observational Registry of Abatacept in Patients With Juvenile Idiopathic Arthritis

Tretinoin and Arsenic Trioxide in Treating Patients With Untreated Acute Promyelocytic Leukemia

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

Imatinib Mesylate and Combination Chemotherapy in Treating Patients With Newly Diagnosed Philadelphia Chromosome Positive Acute Lymphoblastic Leukemia

Erdafitinib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With FGFR Mutations (A Pediatric MATCH Treatment Trial)

VX15/2503 in Treating Younger Patients With Recurrent, Relapsed, or Refractory Solid Tumors

A Study to Assess Whether Macitentan Delays Disease Progression in Children With Pulmonary Arterial Hypertension (PAH)

Evaluation of Glycerin Suppositories to Improve Bowel Function in Gastroschisis

Safety, Tolerability, Efficacy and Pharmacokinetics of Copanlisib in Pediatric Patients

Cisplatin and Combination Chemotherapy in Treating Children and Young Adults With Hepatoblastoma or Liver Cancer After Surgery

Health Information Technology to Improve Bedtime Media Use in Children

Genetic Analysis in Identifying Late-Occurring Complications in Childhood Cancer Survivors

CFF Biomarkers of Exacerbation

Study of Kidney Tumors in Younger Patients

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

I Change Adherence & Raise Expectations

Temsirolimus, Irinotecan Hydrochloride, and Temozolomide in Treating Younger Patients With Relapsed or Refractory Solid Tumors

Adavosertib and Irinotecan Hydrochloride in Treating Younger Patients With Relapsed or Refractory Solid Tumors

Selinexor in Treating Younger Patients With Recurrent or Refractory Solid Tumors or High-Grade Gliomas

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

A Phase 2 Study of Ruxolitinib With Chemotherapy in Children With Acute Lymphoblastic Leukemia

Cabozantinib-S-Malate in Treating Younger Patients With Recurrent, Refractory, or Newly Diagnosed Sarcomas, Wilms Tumor, or Other Rare Tumors

Mechanisms of Active Music Engagement to Improve Health Outcomes of Children With Cancer and Parents

Pevonedistat, Irinotecan Hydrochloride, and Temozolomide in Treating Patients With Recurrent or Refractory Solid Tumors or Lymphoma

Ensartinib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With ALK or ROS1 Genomic Alterations (A Pediatric MATCH Treatment Trial)

PI3K/mTOR Inhibitor LY3023414 in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With TSC or PI3K/MTOR Mutations (A Pediatric MATCH Treatment Trial)

Telavancin Pharmacokinetics in Cystic Fibrosis Patients

Determinants of Early Cystic Fibrosis Lung Disease

Active Surveillance, Bleomycin, Carboplatin, Etoposide, or Cisplatin in Treating Pediatric and Adult Patients With Germ Cell Tumors

PG and PK of Oxycodone to Personalize Post-op Pain Management Following Surgery in Children

Multicenter Study of Patient-reported Gastrointestinal Symptoms in People With Cystic Fibrosis