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Study of Low-Intensity Focused Ultrasound in Combination With Immunotherapy in Newly Diagnosed Unmethylated Glioblastoma
Sponsor: University of Virginia
Summary
This is a phase 1 study for patients with newly diagnosed MGMT unmethylated IDH wild-type glioblastoma utilizing autologous activated T-cells armed with bispecific antibody (EGFR-BATs) that recognize the tumor. The investigators hypothesized that the combination of infusions of EGFR BATs and low-intensity focused ultrasound would induce blood-brain barrier opening and increase the permeability of the adoptive immunotherapy. The investigators will radiolabel the EGFR BATs with 89Zr-oxine for subsequent PET imaging to determine the trafficking and uptake of this approach. There is a concern that several infusions of EGFR BATs before BBB opening could change the immune tumor microenvironment that would not allow a permissive BBB after LIFU. Therefore, Arm A will have two LIFU with BBB opening after the 4th and the 8th infusion, and Arm B will have three LIFU with BBB opening after the 1st, 4th, and 8th infusions. This study will determine the safety and feasibility of the combination of low-intensity focused ultrasound (LIFU) with microbubbles BBB opening and EGFR BATs and the access of the adoptive cell immunotherapy to the tumor microenvironment to inform future studies.
Official title: Phase I Clinical Trial of Anti-CD3 × Anti-EGFR Bispecific-armed T Cells (EGFR BATs) and Low-Intensity Focused Ultrasound (LIFU) Blood-brain Barrier Opening in Patients With MGMT Unmethylated Glioblastoma (GBM)
Key Details
Gender
All
Age Range
18 Years - 70 Years
Study Type
INTERVENTIONAL
Enrollment
12
Start Date
2026-01
Completion Date
2028-12
Last Updated
2026-01-21
Healthy Volunteers
No
Conditions
Interventions
anti-EGFR bispecific-armed T cells
IN PROGRESS
Low-Intensity Focused Ultrasound
Low-Intensity Focused Ultrasound will be used to open the blood-brain barrier
Locations (1)
University of Virginia
Charlottesville, Virginia, United States