Overview A Trial of Pembrolizumab for Refractory Atypical and Anaplastic Meningioma Status: Recruiting Trial end date: 2022-02-01 Target enrollment: Participant gender: Summary A Phase II, Open-label, Single Arm Trial of Pembrolizumab for Refractory Atypical and Anaplastic Meningioma Phase: Phase 2 Details Lead Sponsor: Rabin Medical CenterTreatments: Pembrolizumab