Overview PARP Inhibition for Gliomas (PI-4G or π4g) Status: Not yet recruiting Trial end date: 2026-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine what effects (good and bad) niraparib has on patients with recurrent brain cancer. Phase: Phase 2 Details Lead Sponsor: University of OklahomaCollaborator: GlaxoSmithKlineTreatments: Niraparib