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)
M.D. Anderson Cancer Center
Seattle Children's Hospital
Children's Oncology Group
University of Florida
University of Florida
Cellectar Biosciences, Inc.
Children's National Research Institute
City of Hope Medical Center
Pediatric Brain Tumor Consortium
Dana-Farber Cancer Institute
Stanford University
St. Jude Children's Research Hospital