Myeloablative Consolidation Therapy and Tandem Autologous Stem Cell Rescue in Patients With High-Risk Neuroblastoma

This trial is studying a two-stage (tandem) stem cell transplant approach — using the patient's own stem cells — as a consolidation treatment for children and young adults with high-risk neuroblastoma who have completed their initial chemotherapy. **You may be eligible if...** - You are under 30 years old at the time of neuroblastoma diagnosis - You have completed your initial chemotherapy (induction) and your disease has shown at least some response (complete response, partial response, minor response, or stable disease) - Your blood counts have recovered from the last cycle of chemotherapy - You have no uncontrolled infections - Sufficient stem cells have been collected and stored for both transplants - Your heart, lung, liver, and kidney functions all meet the required levels - You or your parent/guardian can provide written consent **You may NOT be eligible if...** - You do not have adequate stem cells stored for transplantation - Your organ function does not meet the minimum required levels - You have active serious infections Talk to your doctor to see if this trial is right for you.