- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04661384
Brain Tumor-Specific Immune Cells (IL13Ralpha2-CAR T Cells) for the Treatment of Leptomeningeal Glioblastoma, Ependymoma, or Medulloblastoma
A Phase 1 Study to Evaluate IL13Rα2-Targeted Chimeric Antigen Receptor (CAR) T Cells for Adult Patients With Leptomeningeal Glioblastoma, Ependymoma or Medulloblastoma
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. Examine and describe the safety and feasibility of IL13Ralpha2-specific hinge-optimized 41BB-co-stimulatory CAR truncated CD19-expressing autologous T-lymphocytes (IL13Ralpha2-CAR T cells) through intracerebroventricular (ICV) delivery as adjuvant therapy in participants with:
Ia. IL13Ralpha2+ leptomeningeal disease from glioblastoma (arm 1). Ib. IL13Ralpha2+ leptomeningeal disease from ependymoma or medulloblastoma (arm 2).
II. Determine the activity of IL13Ralpha2-CAR T cells based on survival rate at 3 months for both arms.
SECONDARY OBJECTIVES:
I. Describe persistence, expansion and phenotype of endogenous and IL13Ralpha2-CAR CAR T cells in peripheral blood (PB), tumor cyst fluid (TCF) and cerebral spinal fluid (CSF), when available.
II. Describe cytokine levels in PB, TCF, and CSF (when available) over the study period for each arm.
III. Estimate the rate of disease response by Response Assessment in Neuro-Oncology Leptomeningeal Metastases (RANO LM) criteria by study arm where an active response is defined as stable disease or better.
IV. Estimate rate of progression free survival at 3 months by study arm. V. Estimate rate of overall survival (OS) at 3 months by study arm.
VI. In study participants who undergo post therapy biopsy/resection or autopsy:
VIa. Evaluate IL13Ralpha2-CAR T cell persistence in the tumor tissue and the location of the IL13Ralpha2-CAR T cells with respect to the infusion site.
VIb. Evaluate IL13Ralpha2 antigen on tumor tissue pre- and post-CAR T cell therapy.
VII. Use biomathematical modeling of tumor growth to evaluate benefit of treatment.
OUTLINE:
Patients receive IL13Ralpha2-CAR T cells ICV over 5 minutes on day 1. Treatment repeats every 7 days for 4 cycles in the absence of disease progression or unacceptable toxicity. Patients may receive additional cycles per the discretion of the principal investigator.
After completion of study treatment, patients are followed up at 30 days, months 3, 6, 9, 12, and then yearly for up to 15 years.
Study Type
Enrollment (Estimated)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
California
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Duarte, California, United States, 91010
- Recruiting
- City of Hope Medical Center
-
Contact:
- Lisa A. Feldman
- Phone Number: 626-218-7293
- Email: lfeldman@coh.org
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Principal Investigator:
- Lisa A. Feldman
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Participant has verified leptomeningeal metastases
- Participant must have a Karnofsky performance status (KPS) >= 60
- Participant must have a life expectancy of >= 8 weeks
- If participant has a ventriculoperitoneal shunt, the valve must be programmable, and must be able to tolerate their shunts being turned off for 48 hours
- The effects of IL13Ralpha2-CAR T cells on a developing fetus are unknown. For this reason, women of child-bearing potential must have negative serum pregnancy test and agree to use a reliable form of birth control prior to study entry and for at least two months following study treatment. Male research participants must agree to use a reliable form of birth control and not donate sperm during the study and for at least two months following study treatment
- Participant has a histologically confirmed IL13Ralpha2+ tumor expression by immunohistochemistry (IHC) at the initial tumor presentation or recurrent disease (H-score >= 50)
- Participant must have the ability to understand and the willingness to sign a written informed consent
- No known contraindications to leukapheresis, steroids, or tocilizumab
Exclusion Criteria:
- Research participant requires supplemental oxygen to keep saturation greater than 95% and the situation is not expected to resolve within 2 weeks
- Research participant requires dialysis
- Research participant has uncontrolled seizure activity and/or clinically evident progressive encephalopathy
- Failure of research participant to understand the basic elements of the protocol and/or the risks/benefits of participating in this phase 1 study. A legal guardian may substitute for the research participant
- Participant is unwilling to stop treatment with chemotherapy or endocrine therapy and/or radiation one week prior and during the first 4 cycles of the IL13Ralpha2-CAR T cell study
- Shunted participants either have a non-programmable shunt valve, or cannot tolerate their shunts being turned off for 48 hours
- Participant has a coagulopathy or bleeding disorder or cannot safely discontinue anticoagulation prior to placement of a Rickham reservoir
- Participant has a chronic or active viral infection of the central nervous system (CNS)
- Participant has any uncontrolled illness, including ongoing or active infection; participant has known active hepatitis B or C infection; participants with any signs or symptoms of active infection, positive blood cultures or radiological evidence of infections
- Participant is human immunodeficiency virus (HIV) seropositive based on testing performed within 4 weeks of signing the main informed consent
- Participant has an autoimmune disease
- Participant has another active malignancy
- Participant is unable to undergo a brain magnetic resonance imaging (MRI)
- Participant is pregnant or breast feeding. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with IL13Ralpha2-CAR T cells, breastfeeding should be discontinued if the mother wants to participate in this study
- Prospective participants who, in the opinion of the Investigator, may not be able to comply with all study procedures (including compliance issues related to feasibility/logistics)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (IL13Ralpha2-CAR T cells)
Patients receive IL13Ralpha2-CAR T cells ICV over 5 minutes on day 1.
Treatment repeats every 7 days for 4 cycles in the absence of disease progression or unacceptable toxicity.
|
Given ICV
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of adverse events
Time Frame: Up to 15 years
|
Will be assessed using the NCI's Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.
|
Up to 15 years
|
Overall survival
Time Frame: At 3 months
|
The length of time from either the date of diagnosis or the start of treatment for a disease, such as cancer, that patients diagnosed with the disease are still alive.
|
At 3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CAR T cell detected in tumor cyst fluid (TCF), peripheral blood (PB), and cerebrospinal fluid (CSF)
Time Frame: Up to 4 cycles (4 weeks)
|
Measured by absolute number per ul by flow.
|
Up to 4 cycles (4 weeks)
|
Endogenous T cell levels detected in tumor cyst fluid (TCF), peripheral blood (PB), and cerebrospinal fluid (CSF)
Time Frame: Up to 4 cycles (4 weeks)
|
Measured by absolute number per ul by flow.
|
Up to 4 cycles (4 weeks)
|
Cell phenotype detected in tumor cyst fluid (TCF), peripheral blood (PB), and cerebrospinal fluid (CSF)
Time Frame: Up to 4 cycles (4 weeks)
|
Measured by absolute number per ul by flow.
|
Up to 4 cycles (4 weeks)
|
Cytokine levels in PB, TCF and CSF
Time Frame: Up to 4 cycles (4 weeks)
|
Up to 4 cycles (4 weeks)
|
|
Disease response
Time Frame: Up to 15 years
|
Measured by Response Assessment in Neuro-Oncology Criteria (RANO LM).
|
Up to 15 years
|
Time to progression
Time Frame: Up to 15 years
|
Progression defined by RANO LM criteria.
|
Up to 15 years
|
Overall survival
Time Frame: Up to 15 years
|
Up to 15 years
|
|
CAR T and endogenous cells detected in tumor tissue
Time Frame: Baseline
|
Detected in tumor tissue by immunohistochemistry (IHC).
|
Baseline
|
IL13Ralpha2 antigen expression levels in tumor tissue
Time Frame: Baseline
|
Measured through the pathology H-score.
|
Baseline
|
Biomathematical modeling of tumor growth
Time Frame: Up to 15 years
|
Will assess tumor growth parameter based on serial brain magnetic resonance imaging (MRI)s. Tumor volumes will be computed for each MRI study beginning with the pre-surgical MRI and will be used to compute growth rates, measured as change in tumor volume over time. Tumor volumes will be derived from T1- and T2-weighted MRI sequences. Growth rates will be compared prior to, during, and following CAR T-cell treatment for 1) each individual patient and 2) averaged for each dose level. |
Up to 15 years
|
Biomathematical modeling of perfusion/diffusion
Time Frame: Up to 15 years
|
Will assess perfusion/ diffusion parameter based on serial brain magnetic resonance imaging (MRI)s.
Perfusion and diffusion analysis will include the blood plasma-tissue rate transfer constant (Ktrans), cerebral blood volume (vp), contrast accumulation rate (lambda), and the apparent diffusion coefficient (ADC).
Perfusion/diffusion analysis will be derived from T1-weighted dynamic contrast enhancement (DCE), T2-weighted dynamic susceptibility (DSC), and diffusion weighted imaging (DWI) sequences.
The mean value of the perfusion/diffusion parameters from the contrast enhancing lesion volume will be extracted for each MRI study.
|
Up to 15 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Lisa A Feldman, City of Hope Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 19497 (Other Identifier: City of Hope Medical Center)
- P30CA033572 (U.S. NIH Grant/Contract)
- NCI-2020-06010 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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