This phase I trial studies the side effects and best dose of genetically modified T-cell immunotherapy in treating patients with malignant glioma that has come back (recurrent) or has not responded to therapy (refractory). A T cell is a type of immune cell that can recognize and kill abnormal cells in the body. T cells are taken from the patient's blood and a modified gene is placed into them in the laboratory and this may help them recognize and kill glioma cells. Genetically modified T-cells may also help the body build an immune response against the tumor cells.
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Number of Participants With Grade 3 or Higher Toxicity Related to CAR T Cells
Timeframe: An average of 11 months
Number of Participants Experiencing a Dose Limiting Toxicity (DLT)
Timeframe: Up to 1 week following the last course, up to a total of 4 weeks (not including optional courses 4-6)