Non Hodgkin Lymphoma Clinical Trial
Genetically Modified T-cells (CMV-Specific CD19-CAR T-cells) Plus a Vaccine (CMV-MVA Triplex) Following Stem Cell Transplantation for the Treatment of Intermediate or High Grade B-cell Non-Hodgkin Lymphoma
This phase I trial studies the safety and side effects of cytomegalovirus (CMV) specific CD19-chimeric antigen receptor (CAR) T-cells along with the CMV-modified vaccinia Ankara (MVA) triplex vaccine following a stem cell transplant in treating patients with high grade B-cell non-Hodgkin lymphoma. 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 a chimeric antigen receptor (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 following a stem cell transplant may help prevent the cancer from coming back.
I. Assess the safety and describe the toxicity profile of anti-CD19-CAR CMV-specific T-lymphocytes (CMV-specific CD19-CAR T cells) alone and when given in combination with multi-peptide CMV-modified vaccinia Ankara vaccine (CMV-modified vaccinia Ankara [MVA] triplex vaccine) following autologous hematopoietic cell transplantation (autoHSCT) to treat participants with intermediate or high grade B-lineage non-Hodgkin lymphoma (NHL) who are in first relapse after achieving complete remission (CR) or did not achieve CR after a first line therapy.
I. Determine the feasibility of autologous CMV-specific CD19-CAR T cell manufacturing, as assessed by the ability to meet the required cell dose and product release requirements in 5 out of 6 enrolled participants.
II. Determine short- and longer-term CMV-specific CD19-CAR T cell in vivo expansion and persistence.
III. Assess whether the CMV-specific CD19-CAR T cells respond to CMV-MVA triplex vaccine.
IV. Estimate the rate of CMV reactivation after CAR T cell infusion. V. Estimate the rate of progression-free survival (PFS) and median overall survival (OS) at 12 months post-autoHSCT.
I. Assess whether the CMV-specific CD19-CAR T cells respond to CMV-MVA triplex vaccine when administered to participants that received CAR T cells only in the safety lead-in portion in the expansion phase of the study (i.e., once safety of the CMV-MVA triplex vaccine is established in the feasibility portion of the study).
Ia. Participants who receive CMV-specific CD19-CAR T cells in the safety lead-in portion of the study may be eligible to receive the CMV-MVA Triplex vaccine in the expansion portion of the study per principal investigator (PI) discretion and if all other criteria to proceed with vaccine administration are met.
CONDITIONING REGIMEN: Patients receive standard conditioning regimen (typically carmustine, etoposide, cytarabine, melphalan) beginning approximately on day -9 in the absence of disease progression or unacceptable toxicity.
TRANSPLANTATION: Patients undergo autoHSCT on day -2.
CAR T-CELLS AND VACCINATION: Patients receive CMV-specific CD19-CAR T cells intravenously (IV) on day 0 and CMV-MVA triplex vaccine intramuscularly (IM) on days 28 and 56 in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 18-24 hours, weeks 1-3, at 1 month, at day 84, months 4-11, and at 1 year. Patients with disease progression or starting a prohibited therapy are also followed up on months 2-4, 6, and 12 after CAR T cell infusion, and then yearly for up to 15 years.
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 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 with an indication to be considered for HSCT, who are diagnosed with intermediate or high-grade B cell NHL (e.g., diffuse large B-cell lymphoma [DLBCL], mantle cell lymphoma [MCL], or transformed NHL) in first relapse after achieving complete remission (CR) or did not achieve CR after a first line therapy
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 myeloablative HSCT, leukapheresis, steroids or tocilizumab, smallpox vaccine and any other modified vaccinia Ankara (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 limits 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 this requirement at initial screening)
Hemoglobin (Hb) >= 8 g/dl (Transfusions and growth factors must not be used to meet this requirement at initial screening)
Platelet count >= 50,000/uL (>= 30,000/uL if bone marrow plasma cells are => 50 percent of cellularity) (Transfusions and growth factors must not be used to meet this requirement at initial screening)
Left ventricular ejection fraction >= 45 percent 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)
Prior autologous/allogeneic stem cell transplant
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 myeloablative HSCT 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 cells [WBC] / mm^3 and no blasts in cerebrospinal 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
Procedures (including compliance issues related to feasibility/logistics). Prospective participants who, in the opinion of the investigator, may not be able to comply with all 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)
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