I-HIT-MED Register https://www.nct-dresden.de/en/trials/900-000001283 https://www.nct-dresden.de/@@site-logo/logo-nct.svg I-HIT-MED Register Category Pediatric oncology/hematology Subcategory CNS tumors Trial Type Register and supportive Studies Description for experts International HIT-MED Registry: For children, adolescents, and adults with medulloblastoma, ependymoma, pineoblastoma, CNS-primitive neuroectodermal tumours Description for laymen