This trial is testing if a single dose of radiation therapy, given with the help of special equipment to target the tumor precisely, and a laboratory-made protein that blocks the PD-1 receptor, may improve progression-free survival for patients with meningioma that has come back.
1 Primary · 2 Secondary · Reporting Duration: Up to 5 years
Experimental Treatment
90 Total Participants · 2 Treatment Groups
Primary Treatment: Pembrolizumab · No Placebo Group · Phase 2
Age 18+ · All Participants · 10 Total Inclusion Criteria
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