Intratumoral Extracellular Metabolic Impact of DFMO and AMXT 1501 in Patients With Diffuse or High Grade Glioma

Inclusion Criteria13

• Age \>= 18 years
• Clinical and radiographic evidence suggesting a diagnosis of a diffuse high grade glioma (HGG), or a prior diagnosis of a diffuse glioma
• Planned subtotal resection or biopsy due to tumor location, size, or other clinical indication deemed appropriate by the surgeon
• Provide written informed consent for the current study and the Neuro-Oncology biorepository for archiving of cerebrospinal fluid (CSF) and blood samples collected on this protocol. Willing to remain in the hospital at Mayo Clinic (Rochester, MN) for three days added to their standard post-operative stay to undergo longitudinal microdialysis
• Absolute neutrophil count (ANC) \>= 1.5 x 10\^9/L without transfusion within 7 days preceding the lab assessment (obtained =\< 14 days prior to registration)
• Platelet \>= 100 x 10\^9/L, without transfusion within 7 days preceding the lab assessment (obtained =\< 14 days prior to registration)
• Hemoglobin \>= 9 g/dL, without transfusion support within 7 days preceding the lab assessment (obtained =\< 14 days prior to registration)
• Activated partial thromboplastin time or partial thromboplastin time (aPTT or PTT) =\< 1.5 x upper limit of normal (ULN) (obtained =\< 14 days prior to registration)
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =\< 2.5 x ULN (obtained =\< 14 days prior to registration)
• Total serum bilirubin =\< 1.5 x ULN (obtained =\< 14 days prior to registration)
• The patient is clinically euthyroid \[Thyroid Stimulating Hormone (TSH)\]
• Serum creatinine =\< 1.5 x ULN or creatinine clearance \>= 60 mL/min/1.73 m\^2 for patients with serum creatinine levels above 1.5 x ULN (obtained =\< 14 days prior to registration)
• Negative serum or urine pregnancy test is required for female subjects of childbearing age \< 14 days prior to registration