Confirmed histologic diagnosis of WHO Grade IV, Glioblastoma Multiforme
GBM recurrence or progression with planned standard of care surgical resection and repeat radiation
Tumor size less than 6 cm
ECOG performance status of 0-1
Adequate laboratory values
You may not be if
Contraindication to additional radiation
Prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor
Immunodeficiency diagnosis or receiving chronic systemic steroid therapy (exceeding 10 mg daily of prednisone) or any other form of immunosuppressive therapy
