Pembrolizumab in Treating Younger Patients With Recurrent, Progressive, or Refractory High-Grade Gliomas, Diffuse Intrinsic Pontine Gliomas, Hypermutated Brain Tumors, Ependymoma or Medulloblastoma
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Jonsson Comprehensive Cancer Center
Mayo Clinic
Mayo Clinic
Stanford University
Children's Oncology Group
University of Michigan Rogel Cancer Center
National Cancer Institute (NCI)
Northwestern University
Mayo Clinic
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Ohio State University Comprehensive Cancer Center
Mayo Clinic
National Cancer Institute (NCI)
Mayo Clinic
University of California, San Francisco
City of Hope Medical Center
National Cancer Institute (NCI)
Mayo Clinic
City of Hope Medical Center
Northwestern University