Refractory B-Cell Non-Hodgkin Lymphoma Clinical Trial
Official title:
A Pilot / Feasibility Study of Autologous CMV-Specific CD19-CAR T Cells Plus CMV-MVA Triplex Vaccine in Patients With Intermediate or High Grade B-Lineage Non-Hodgkin Lymphoma
Verified date | January 2024 |
Source | City of Hope Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This phase I trial studies the safety and feasibility of cytomegalovirus (CMV) specific CD19-chimeric antigen receptor (CAR) T cells in combination with the CMV-modified vaccinia Ankara (MVA) triplex vaccine following lymphodepletion in treating patients with intermediate or high grade B-cell non-Hodgkin lymphoma (NHL) that has come back after a period of improvement (relapsed) or that does not respond to treatment (refectory). CAR T cells are 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 cancer cells. T cells are taken from a patient's blood. Then the gene for a special receptor that binds to a certain protein on the patient's cancer cells is added in the laboratory. The special receptor is called CAR. Large numbers of the CAR T cells are grown in the laboratory and given to the patient by infusion. Vaccines such as CMV-MVA triplex are made from gene-modified viruses and may help the body build an effective immune response to kill cancer cells. Giving CMV-specific CD19-CAR T-cells plus the CMV-MVA triplex vaccine may help prevent the cancer from coming back.
Status | Recruiting |
Enrollment | 15 |
Est. completion date | December 30, 2028 |
Est. primary completion date | March 30, 2028 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Documented informed consent of the participant and/or legally authorized representative - Assent, when appropriate, will be obtained per institutional guidelines - Agreement to allow the use of archival tissue from diagnostic tumor biopsies - If unavailable, exceptions may be granted with study principal investigator (PI) approval - 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 full consent is processed - Age: >= 18 years - Karnofsky Performance Status (KPS) >= 70 - Life expectancy >= 16 weeks at the time of enrollment - Patients requiring treatment for relapsed or refractory intermediate or high-grade B cell NHL (e.g., diffuse large B-cell lymphoma [DLBCL], mantle cell lymphoma [MCL], or transformed NHL) who are not eligible for, or who refuse, or have previously received autologous hematopoietic cell transplantation (autoHCT) - Note: COH pathology review should confirm that research participant's diagnostic material is consistent with history of intermediate or high-grade CD19+ malignancy - No known contraindications to leukapheresis, lymphodepleting chemotherapy, steroids or tocilizumab, smallpox vaccine and any other MVA-based vaccines - Patient must be CMV seropositive - Total serum bilirubin =< 2.0 mg/dL - Participants with Gilbert syndrome may be included if their total bilirubin is =< 3.0 - Aspartate aminotransferase (AST) < 2.5 x upper limit of normal (ULN) - Alanine aminotransferase (ALT) < 2.5 x ULN - Serum creatinine =< 2.5 x ULN or estimated creatinine clearance of >= 40 mL/min per the Cockcroft-Gault formula, and the participant is not on hemodialysis - Absolute neutrophil count >= 1000/uL (Transfusions and growth factors must not be used to meet these requirements at initial screening) - Hemoglobin (Hb) >= 8 g/dl (Transfusions and growth factors must not be used to meet these requirements at initial screening) - Platelet count >= 50,000/uL (>= 30,000/uL if bone marrow plasma cells are >= 50% of cellularity) (Transfusions and growth factors must not be used to meet these requirements at initial screening) - Left ventricular ejection fraction >= 45% within 8 weeks before enrollment - Oxygen (O2) saturation > 92% without requiring supplemental oxygen - Women of childbearing potential (WOCBP): negative urine or serum pregnancy test - If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required - Agreement by females and males of childbearing potential to use an effective method of birth control or abstain from heterosexual activity for the course of the study through at least 6 months after the last dose of protocol therapy - Childbearing potential defined as not being surgically sterilized (men and women) or have not been free from menses for > 1 year (women only) Exclusion Criteria: - Prior allogeneic stem cell transplant unless the participant has recovered from transplantation and does not have active graft versus host disease (GVHD) - Growth factors within 14 days of enrollment - Platelet transfusions within 7 days of enrollment - Concurrent use of systemic steroids or chronic use of immunosuppressant medications. Recent or current use of inhaled or topical steroids in standard doses is not exclusionary. Physiologic replacement of steroids (prednisone =< 5 mg/day, or equivalent doses of other corticosteroids) is allowed - Patients with active autoimmune disease requiring systemic immune suppressive therapy are not allowed - Participants may not be receiving any other investigational agents or concurrent biological therapy, chemotherapy, or radiation therapy - Any standard contraindications to lymphodepleting chemotherapy and/or CAR T-cell therapy per standard of care practices at COH - Subjects with clinically significant arrhythmia or arrhythmias not stable on medical management within two weeks of screening - Subjects with a known history or prior diagnosis of optic neuritis or other immunologic or inflammatory disease affecting the central nervous system (CNS), including seizure disorder, any measurable masses of CNS, or any other active CNS disease - Note: Research participants with a history of CNS disease that has been effectively treated to complete remission (< 5 white blood cell [WBC]/mm^3 and no blasts in cerebral spinal fluid [CSF]) will be eligible - History of allergic reactions attributed to compounds of similar chemical or biologic composition to study agents or cetuximab - Known bleeding disorders (e.g., von Willebrand's disease) or hemophilia - History of stroke or intracranial hemorrhage within 6 months prior to screening - History of other malignancies, except for malignancy surgically resected (or treated with other modalities) with curative intent, basal cell carcinoma of the skin or localized squamous cell carcinoma of the skin; non-muscle invasive bladder cancer; malignancy treated with curative intent with no known active disease present for >= 3 years - Clinically significant uncontrolled illness - Active infection requiring antibiotics - Immunodeficiency virus (human immunodeficiency virus [HIV]) positive - Active viral hepatitis - Females only: Pregnant or breastfeeding - Any other condition that would, in the investigator's judgment, contraindicate the subject's participation in the clinical study due to safety concerns with clinical study procedures - 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) |
Country | Name | City | State |
---|---|---|---|
United States | City of Hope Medical Center | Duarte | California |
Lead Sponsor | Collaborator |
---|---|
City of Hope Medical Center | National Cancer Institute (NCI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Incidence of dose-limiting toxicity | Toxicities will be graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version (v) 5.0, and the revised American Society for Transplantation and Cellular Therapy (ASTCT) cytokine release syndrome (CRS) grading systems. Will be summarized in terms of type (organ affected or laboratory determination), severity, time of onset, duration, probable association with the study treatment and reversibility or outcome. | Up to 28 days | |
Primary | Incidence of adverse events | Will be assessed and graded according to the NCI CTCAE v5.0, and the ASTCT consensus grading for CRS and neurotoxicity associated with immune effector cells. | Up to 15 years | |
Secondary | Feasibility as assessed by the ability to meet the required cell dose and product release requirement | Feasibility will be assessed by achieving the proposed dose of CMV-specific CD19-CAR T cells per product and meeting product release requirements for enrolled participants. The goal is to manufacture 10 x 10^6 cells (this is a flat dose). | Up to 56 days | |
Secondary | Short- and long-term cytomegalovirus (CMV)-specific CD19-chimeric antigen receptor (CAR) T cell expansion and persistence | Will be assessed longitudinally. Persistence is defined as detection of >= 0.1% of CMV-specific CD19-CAR T cells in CD3+ cells in peripheral blood, 28 days after vaccine administration, by flow cytometry and Woodchuck Hepatitis Virus Posttranscriptional Regulatory Element quantitative polymerase chain reaction (Q-PCR). Expansion is defined as an increase of 2-fold in CMV-specific CD19-CAR T cells after Triplex administration compared with pre-vaccination cell number. Response to Triplex will be assessed based on numbers of EGFR+, pp65-specific interferon gamma (IFNy)+ and CD137+T cells. | Up to 15 years | |
Secondary | Clinically significant CMV reactivation | Clinically significant defined as > 1250 IU/ml or 500 GC/mL) CMV reactivation requiring management treatment after CAR T cell infusion as assessed by PCR. | Up to 15 years | |
Secondary | Disease response (complete response/minor response/partial response/disease progression/stable disease) | Will be assessed according to International Working Group consensus response evaluation criteria in lymphoma 2017. The specific time trend for CMV-specific CD19-CAR T cells will be assessed using linear mixed effects modeling. The overall fit of the model will be evaluated graphically by taking a scatter plot of data for the CAR T cells and applying an overlay of the line generated by the model. To assess changes over time, functional regression modeling will be used. | 28 and 84 days after CAR T cell infusion | |
Secondary | Progression-free survival | Will be estimated using the product-limit method of Kaplan and Meier. | Time from the start of lymphodepletion to the time of disease relapse, progression or death, whichever occurs first, assessed at 1 year and up to 15 years | |
Secondary | Overall survival | Will be estimated using the product-limit method of Kaplan and Meier. | Time from the start of lymphodepletion to death, assessed up to 15 years |
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