NCT03690869 2025-04-08REGN2810 in Pediatric Patients With Relapsed, Refractory Solid, or Central Nervous System (CNS) Tumors and Safety and Efficacy of REGN2810 in Combination With Radiotherapy in Pediatric Patients With Newly Diagnosed or Recurrent GliomaRegeneron PharmaceuticalsPhase 1/2 Terminated57 enrolled 31 charts