Children's National Hospital Jun 30 2026 Reviewed Researchers report encouraging early results from a first-in-human clinical trial led by Children's National using a new T-cell immunotherapy for children and young adults with some of the deadliest brain tumors, including diffuse intrinsic pontine glioma (DIPG) and relapsed central nervous system (CNS) tumors. These findings, published in Nature Medicine , are particularly significant given the challenges faced in treating pediatric brain