89Zr-J591 Anti-Prostate-Specific Membrane Antigen Monoclonal Antibody in Patients With Glioblastoma Multiforme

The intervention is the administration of an injection of 18-19mg of unchelated J591 to reach the total administered dose of antibody followed by 5 mCi (+/- 10%) of 89Zr-J591 (1 to 2 mg) . After administration of the experimental tracer, the patient will undergo a Brain PET/CT scan 24 hours, 48 hours post injection and 3-8 days. The 48 hour scan is strongly suggested, but optional.

Bloods samples will be drawn immediately before and approximately 30 minutes after 89Zr-J591 injection.