International Rare Brain Tumor Registry

The objective of the International Rare Brain Tumor Registry (IRBTR) is to better understand rare brain tumors through the collection of biospecimens and matched clinical data of children, adolescents, and young adult patients diagnosed with rare brain tumors.

NCT Number	NCT05697874
Lead Sponsor	Children's National Research Institute
Conditions	Astroblastoma, BCOR ITD Sarcoma, CNS Sarcoma, Unclassified Tumor, Malignant
Enrollment	5,800 participants
Start Date	2023-01-01
Primary Completion	2033-12 (estimated)
Study Completion	2033-12 (estimated)
Updated on ClinicalTrials.gov	2026-08-07