Clinical Trial of GAIA-102 for Refractory/Relapse Neuroblastomas and Other Malignant Pediatric Solid Tumors

This study tests a new treatment called GAIA-102 for children and young people with hard-to-treat solid tumors including neuroblastoma, rhabdomyosarcoma, Ewing's sarcoma, osteosarcoma, liver cancer (hepatoblastoma), kidney cancer (nephroblastoma), and others. **You may be eligible if...** - You have been diagnosed with one of the listed pediatric malignant solid tumors (confirmed by biopsy) - Your cancer has relapsed or not responded to prior treatment - You are enrolled in one of the specific cohorts matching your tumor type **You may NOT be eligible if...** - You have a brain tumor or brain metastases (except certain cohorts) - Your overall health status does not meet the study's requirements - You have not been histologically confirmed (check with your doctor for all eligibility details) Talk to your doctor to see if this trial is right for you.