22
Participants
Start Date
March 3, 2025
Primary Completion Date
June 30, 2026
Study Completion Date
June 30, 2027
Biospecimen Collection
Undergo CSF sample collection
Computed Tomography
Undergo PET/CT and/or CT
Electronic Health Record Review
Ancillary studies
Lumbar Puncture
Undergo lumbar puncture
Magnetic Resonance Imaging
Undergo MRI
Positron Emission Tomography
Undergo PET/CT
Proton Beam Craniospinal Irradiation
Undergo proton CSI
Survey Administration
Ancillary studies
Volume Modulated Arc Therapy
Undergo photon VMAT CSI
Hippocampal-Avoidance Craniospinal Irradiation
Undergo HA
RECRUITING
Fred Hutch/University of Washington Cancer Consortium, Seattle
University of Washington
OTHER