Overview A Study of Abemaciclib in Recurrent Glioblastoma Status: Recruiting Trial end date: 2024-06-01 Target enrollment: Participant gender: Summary This research study is studying a targeted therapy as a possible treatment for recurrent glioblastoma (GBM). The following intervention will be used in this study: -Abemaciclib Phase: Phase 2 Details Lead Sponsor: Dana-Farber Cancer InstituteCollaborator: Eli Lilly and Company