1. Subject is a male or female 18 years of age or older.
2. Subject is undergoing planned resection of known or suspected GBM.
3. Subject has a Karnofsky Performance Status (KPS) 70% or greater.
4. Subject has a life expectancy of at least 6 months, in the opinion of the Investigator.
5. Based on the pre-operative evaluation by neurosurgeon, the subject is a candidate for ≥ 80% resection of enhancing region.
6. Subject must be able to undergo MRI evaluation.
7. Subject meets the following laboratory criteria:
1. White blood count ≥ 3,000/μL
2. Absolute neutrophil count ≥ 1,500/μL
3. Platelets ≥ 100,000/μL
4. Hemoglobin > 10.0 g/dL (transfusion and/or ESA allowed)
5. Total bilirubin and alkaline phosphatase ≤ 2x institutional upper limit of normal (ULN)
6. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 3 x ULN
7. Blood urea nitrogen (BUN) and creatinine < 1.5 x ULN
8. Females of reproductive potential must have a negative serum pregnancy test and be willing to use an acceptable method of birth control.
9. Males of reproductive potential must be willing to use an acceptable method of birth control to ensure effective contraception with partner.
10. Able to understand and willing to sign an institutional review board (IRB)- approved written informed consent document (legally authorized representative permitted).
1. Subject has a histologically confirmed (frozen section) diagnosis of WHO Grade IV glioblastoma multiforme (GBM).
2. TPFF and/or pericranial flap is technically feasible.