52
Participants
Start Date
January 15, 2018
Primary Completion Date
July 16, 2024
Study Completion Date
June 6, 2028
External Beam Radiation Therapy
Undergo external beam radiation therapy
Laboratory Biomarker Analysis
Correlative studies
Pembrolizumab
Given IV
Radiation Therapy
Undergo radiation therapy
Temozolomide
Given PO
Therapeutic Conventional Surgery
Undergo surgery
Mayo Clinic in Rochester, Rochester
Mayo Clinic Hospital in Arizona, Phoenix
Mayo Clinic in Arizona, Scottsdale
Lead Sponsor
Mayo Clinic
OTHER