RecruitingDrug trialA Trial to Evaluate Multiple Regimens in Newly Diagnosed and Recurrent GlioblastomaGlioblastoma (GBM) adaptive, global, innovative learning environment (GBM AGILE) is an international, seamless Phase II/III response adaptive randomization platform trial designed to evaluate multiple therapies in newly diagnosed (ND) and recurrent GBM. All institutions are enrolling Newly Diagnosed participants. Institutions also enrolling Recurrent participants are marked with an asterisk (\*).