Intracranial Genetically Modified Immune Cells (TGFβR2KO/IL13Rα2 CAR T-Cells) for the Treatment of Recurrent or Progressive Glioblastoma or Grade 3 or 4 IDH-Mutant Astrocytoma

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorCity of Hope Medical Center

About this trial

This phase I trial tests the safety, side effects and best dose of TGFβR2KO/IL13Rα2 chimeric antigen receptor (CAR) T-cells given within the skull (intracranial) in treating patients with glioblastoma or IDH-mutant grade 3 or 4 astrocytoma that has come back after a period of improvement (recurrent) or that is growing, spreading, or getting worse (progressive). CAR T-cell therapy is a type of treatment in which a patient's T cells (a type of immune system cell) are changed in the laboratory so they will attack tumor cells. T cells are taken from a patient's blood. When the cells are taken from the patient's own blood, it is known as autologous. Then the gene for special receptors that bind to a certain proteins on the patient's tumor cells are added to the T cells in the laboratory. The special receptors are called CAR. Large numbers of the CAR T cells are grown in the laboratory and given to the patient by infusion for treatment of certain tumors. Giving TGFβR2KO/IL13Rα2 CAR T cells may be safe, tolerable, and/or effective in treating patients with recurrent or progressive glioblastoma or grade 3 or 4 IDH-mutant astrocytoma.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Documented informed consent of the participant and/or legally authorized representative

Note: For research participants who do not speak English, a short form consent may be used with a City of Hope (COH) certified interpreter/translator to proceed with screening and leukapheresis, while the request for a translated main consent is processed. However, the research participant is allowed to proceed with surgery/Rickham placement and CAR T cell infusion only after the translated main consent form is signed

Agreement to allow the use of archival tissue from diagnostic tumor biopsies. If unavailable, exceptions may be granted with study principal investigator (PI) approval

Age: ≥ 18 years

Disqualifiers

Owing to higher frequency of wound-related complications, participants who require active bevacizumab therapy at the time of enrollment are excluded

Participant has not yet recovered from toxicities of prior therapy

Uncontrolled seizure activity and/or clinically evident progressive encephalopathy

History of allergic reactions attributed to compounds of similar chemical or biologic composition to study agent

Trial design

Design model

Single group

Treatments tested in this trial

  • Biospecimen Collection

    Procedure/Surgery

    Undergo CSF and blood sample collection

  • Chimeric Antigen Receptor T-Cell Therapy

    Biological/Vaccine

    Given autologous TGF-betaR2KO/IL13R-alpha2-CAR T cells intracranially

  • Echocardiography

    Procedure/Surgery

    Undergo echocardiography

  • Fludeoxyglucose F-18

    Other intervention

    Undergo FDG-PET

  • Intracranial Catheter Placement

    Procedure/Surgery

    Undergo placement of Rickham catheter

  • Leukapheresis

    Procedure/Surgery

    Undergo leukapheresis

  • Magnetic Resonance Imaging

    Procedure/Surgery

    Undergo MRI

  • Positron Emission Tomography

    Procedure/Surgery

    Undergo FDG-PET

  • Resection

    Procedure/Surgery

    Undergo surgical resection

Treatment groups

27 Participants
are divided into 1 treatment group
Group A: Treatment (TGFβR2KO/IL13Rα2 CAR T-cells)Experimental treatment 9 interventions

Trial outcomes

Primary outcomes

1

Dose-limiting toxicities (DLTs)

Will be assessed using the Common Terminology Criteria for Adverse Events (CTCAE) version (v) 5.0. Rate and associated 90% Clopper and Pearson binomial confidence limits (90% CI) will be estimated for participants experiencing DLTs at the maximum tolerated dose schedule

Time frame
Up to 28 days
2

Incidence of grade 3+ adverse events (AEs)

Will be assessed using the CTCAE v 5.0. Tables will be created to summarize all toxicities and side effects by dose, time post treatment, organ, severity, attributions, and arm. In study participants who received the full schedule of 4 cycles.

Time frame
Up to 30 days after last dose of study drug
3

Incidence of cytokine release syndrome

Will be graded using American Society for Transplantation and Cellular Therapy (ASTCT) Consensus Criteria. Tables will be created to summarize all toxicities and side effects by dose, time post treatment, organ, severity, attributions, and arm. In study participants who received the full schedule of 4 cycles.

Time frame
Up to 30 days after last dose of study drug
4

Incidence of all other AEs

Will be assessed using the CTCAE v 5.0. Neurotoxicity will be graded using ASTCT Consensus Criteria, Immune Effector Cell-Associated Hemophagocytic Lymphohistiocytosis-Like Syndrome grading system, and tumor inflammation-associated neurotoxicity grading system. Tables will be created to summarize all toxicities and side effects by dose, time post treatment, organ, severity, attributions, and arm.

Time frame
Up to 30 days after last dose of study drug

Secondary outcomes

1

Overall response rate

Evaluated using Response Assessment in Neuro-Oncology (RANO) criteria. Will estimate the rates (90% CI) of disease response.

Time frame
At 3, 6, and 9 months
2

Complete response rate

Evaluated using RANO criteria. Will estimate the rates (90% CI) of disease response.

Time frame
At 3, 6, and 9 months
3

Overall survival (OS)

Will estimate the rates (90% CI) of OS. Kaplan Meier methods will be used to estimate median OS and graph the results.

Time frame
From cycle 1 to last contact or death from any cause, assessed at 9 months
4

Ability to meet the TGFβR2KO/IL13Rα2-CAR T cell dose requirements (product feasibility)

Time frame
Up to 1 year

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

City of Hope Medical Center

Lead sponsor

National Cancer Institute (NCI)

Collaborator