- Conditions
- Childhood Atypical Teratoid/Rhabdoid Tumor, Childhood Central Nervous System Germ Cell Tumor, Childhood Cerebral Anaplastic Astrocytoma, Childhood Cerebral Astrocytoma, Childhood Choroid Plexus Neoplasm, Childhood Craniopharyngioma, Childhood Grade I Meningioma, Childhood Grade II Meningioma, Childhood Grade III Meningioma, Childhood Infratentorial Ependymoma, Childhood Oligodendroglioma, Childhood Supratentorial Ependymoma, Ependymoma, Newly Diagnosed Childhood Ependymoma, Recurrent Childhood Cerebellar Astrocytoma, Recurrent Childhood Cerebral Astrocytoma, Recurrent Childhood Ependymoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified, Recurrent Childhood Visual Pathway Glioma
- Interventions
- Cytology Specimen Collection Procedure
- Other
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- Up to 18 Years
- Enrollment
- 1,258 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2018
- U.S. locations
- 163
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2018 · Synced May 21, 2026, 5:35 PM EDT