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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04165941
Other study ID # UAB 1773
Secondary ID
Status Active, not recruiting
Phase Phase 1
First received
Last updated
Start date February 11, 2020
Est. completion date December 31, 2024

Study information

Verified date January 2024
Source University of Alabama at Birmingham
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is being conducted to find out if the safety and tolerability of an experimental cell therapy is safe to administer to patients with a newly diagnosed glioblastoma multiforme (GBM) in combination with temozolomide (TMZ).


Description:

The cell therapy that is being used in this study is called gene-modified gamma delta T cells or Drug Resistant Immunotherapy (DRI). Gamma delta T cells are a type of lymphocyte or white blood cell that may help the immune system to recognize and kill cancer cells. Some chemotherapy can kill these gamma delta T cells. For the cell therapy being used in this study, the genes or DNA within these gamma delta T cells are modified so they are resistant to or may not be affected by chemotherapy. The chemotherapy that is being used in this study is called temozolomide (TMZ) and can reduce the number of these gamma delta T cells or lymphocytes. This study will also find out if these modified gamma delta T cells (DRI) are unaffected by TMZ. The DRI is given in combination with a standard dose of TMZ and is administered into the brain where the tumor is located. After subjects are consented in Parts A and B of the study, approximately about 2 tablespoons of blood will be collected for tests that may provide additional information about subjects T cells and how they may respond to treatment. Part A Subjects will have a surgical procedure completed that will remove their tumor (called a surgical resection). They will have a Rickham catheter placed which is a device typically used to deliver chemotherapy into the brain. The infusion catheter will be placed first prior to the tumor resection. A sample of tumor tissue will be taken and examined to confirm the diagnosis of GBM. The diagnosis of GBM must be confirmed prior to beginning Part B. Part B After the surgical resection and on Study Day 1, subjects will return to the study doctor's office/clinic to undergo a procedure called apheresis. This procedure will separate out cells called peripheral blood mononuclear cells (PBMC). Apheresis is the removal of blood plasma from the body by collecting your blood and separating the plasma from the PBMCs. These cells include the gamma delta T cells that will be used to synthesize the DRI γδ T cells. Once the cells for the DRI γδ T cells are synthesized, they are reintroduced into subject's brain through the Rickham catheter. Following apheresis and confirmation that the required number of gamma delta T cells were collected, subjects will begin the recommended or standard of care treatment for newly diagnosed GBM. This will include 6 weeks of chemotherapy with TMZ and radiation. Subjects will then have about 4 weeks of no treatment prior to beginning the Part B maintenance phase of treatment, which includes 6 cycles of TMZ. Depending on which dose level they receive, they will be administered either 1 injection of the DRI γδ T cells or 3 and these will be injected through the Rickham catheter. The first 3 subjects will receive a single dose of the DRI γδ T cells at the lowest dose level. Subjects receiving a single dose of the DRI γδ T cells will be observed for a of minimum 30 days from the time the first subject is enrolled, followed by a minimum of 7 days between each additional subject enrolled to allow for evaluation of potential side effects. If the DRI γδ T cell injection does not cause serious side effects, the second set of 3 subjects will be enrolled. The second set of 3 patients will receive 3 doses of the DRI γδ T cells. The approximate duration of the study may be up to 15 years, or until disease progression or subjects withdraw from the study.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 21
Est. completion date December 31, 2024
Est. primary completion date December 31, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Must have magnetic resonance imaging (MRI) features consistent with and suspicious for malignant glioma. This will be Part A - Tissue (biopsy) and Rickham catheter placement. - Must have histologically or cytologically confirmed glioblastoma multiforme prior to administration of the DRI ?d T cell injection. This will be Part B - Screening and Study Treatment. - Prior therapy: Must have completed a standard temozolomide and radiotherapy treatment as described in Part A and be eligible to receive maintenance therapy with temozolomide (consistent with NCCN guidelines for newly diagnosed GBM and maintenance therapy). - Age =18 yearsF: Because no dosing or adverse event data are currently available on the use of ?d T cells in patients <18 years of age, children are excluded from this study but will be eligible for future pediatric Phase I single-agent trials. - Karnofsky Performance Status =70% - Life expectancy of greater than 12 weeks - Patients must have organ and marrow function as defined below: 1. leukocytes >3,000/µl 2. absolute neutrophil count >1,500/µl 3. Hgb greater than or equal to 9.0 g/dL 4. platelets >100,000/µl 5. total bilirubin within normal institutional limits 6. AST (SGOT)/ALT (SGPT) <2.5 X institutional upper limit of normal 7. Normal electrolyte levels including sodium, calcium, potassium, chloride and magnesium 8. INR/PT/aPTT =1.5xULN 9. Normal EKG; if abnormal, NCS 10. Normal blood presure as adjusted for age - Creatinine within normal institutional limits or if higher than the normal range, calculated creatinine clearance (CrCl) must be = 50 mL/min/1.73 m2 (e.g., by Cockcroft-Gault formula); actual body weight must be used for CrCl unless body mass index (BMI) is > 30 kg/m2, in which case, lean body weight must be used Exclusion Criteria: - Patients who have received any therapy for the treatment of GBM prior to inclusion in Part A and any treatment other than standard of care as described in Part A of this study including: cellular immunotherapy or gene therapy within 6 weeks prior to entering the study, surgical resection or alkylating agent chemotherapy within 4 weeks prior to entering the study, or have received experimental immunotherapy at any time, and those who have not recovered from adverse events due to therapeutic interventions administered more than 4 weeks earlier. - Patients may not be receiving any other investigational agents. - Contraindication to the placement of an intracranial access device (Rickham catheter) at the time of surgery. - Prior history of encephalitis, multiple sclerosis, or other CNS infection - Required steroid increase within 2 weeks of scheduled DRI ?d T cells administration. - Uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or any othermedical condition that precludes surgery. Also, psychiatric illness/social situations that would limit compliance with study requirements. - Allergies/hypersensitivity: Aminobisphosphonates such as Zoledronate®, Pamidronate® or similar - Pregnant women are excluded from this study because the lentiviral- modified ?d T cells designed to express MGMT cells have an unknown potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with these cells, breastfeeding should be discontinued if the mother is treated with the lentiviral-modified ?d T cells designed to express MGMT. The following birth control methods are acceptable for this study in women of child- bearing potential: - A Combination of TWO of the following: 1. Barrier method of contraception: 1. condoms (male or female) with or without a spermicidal agent, diaphragm or cervical cap with spermicide 2. IUD 2. Hormone-based Contraceptive - Note: Drug-drug interactions with some ARVs will make hormonal contraception a less reliable method. - Because patients with immune deficiency will be unable to mount the anticipated immune response underlying this therapeutic rationale, HIV-seropositive patients are excluded from this study. - Some of the contraceptive methods listed above may not prevent the spread of HIV to other people. Patients should discuss their contraceptive choices with their health care provider to choose the best way to both prevent pregnancy as required by this study and to prevent the spread of HIV to any partner(s). - Patients with history of prior organ or bone marrow transplantation are not eligible.

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
DRI cell therapy
Drug Resistant Immunotherapy with gamma delta modified T cells to be resistance to temozolomide will be infused into the surgical cavity following the completion of standard concurrent radiation and chemotherapy with temozolomide.

Locations

Country Name City State
United States University of Alabama at Birmingham Birmingham Alabama

Sponsors (2)

Lead Sponsor Collaborator
University of Alabama at Birmingham In8bio Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary: Highest safe dose frequency or maximally planned dose, if no dose-limiting toxicity observed. Safety and toxicity of intracranially infused DRI gamma delta T cells 12 weeks
Secondary Time to progression Time to disease progression Through study completion, on average one year
Secondary Overall survival Time that participants survive Through study completion, on average one year
Secondary Assessment of biological activity Serum measurements of cell therapy activity Through study completion, on average one year
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