Late Effects After Treatment in Patients With Previously Diagnosed High-Risk Neuroblastoma
ACTIVE_NOT_RECRUITING
Status
Conditions
- Recurrent Neuroblastoma
- Stage 2A Neuroblastoma
- Stage 2B Neuroblastoma
- Stage 3 Neuroblastoma
- Stage 4 Neuroblastoma
- Stage 4S Neuroblastoma
Interventions
- OTHER: Cytology Specimen Collection Procedure
- OTHER: Laboratory Biomarker Analysis
- OTHER: Quality-of-Life Assessment
Sponsor
Children's Oncology Group
Collaborators