A Study to Determine How BI 907828 (Brigimadlin) is Taken up in the Tumor (Phase 0) and to Determine the Highest Dose of BI 907828 (Brigimadlin) That Could be Tolerated (Phase 1a) in Combination With Radiation Therapy in People With a Brain Tumor Called Glioblastoma

A Phase 0/Ia Study of BI 907828 (Brigimadlin) Concentrations in Brain Tissue and a Non-randomized Open-label, Dose Escalation Study of BI 907828 (Brigimadlin) in Combination With Radiotherapy in Patients With Newly Diagnosed Glioblastoma