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)
Children's Oncology Group
Children's Oncology Group
Nationwide Children's Hospital
Cellectar Biosciences, Inc.
University of Florida
Augusta University
Seattle Children's Hospital
GlaxoSmithKline
University of California, San Francisco
National Cancer Institute (NCI)
Pfizer
Hospital Infantil Universitario Niño Jesús, Madrid, Spain
University Hospital, Antwerp