About this trial
This phase I trial tests safety, side effects and best dose of B-cell activating factor receptor (BAFFR)-based chimeric antigen receptor T-cells, with fludarabine and cyclophosphamide lymphodepletion, for the treatment of patients with B-cell hematologic malignancies that has come back after a period of improvement (relapsed) or that does not respond to treatment (refractory). BAFFR-based chimeric antigen receptor T-cells 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 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 to the T cells 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 for treatment of certain cancers. Giving chemotherapy, such as fludarabine and cyclophosphamide, helps ill cancer cells in the body and helps prepare the body to receive the BAFFR based chimeric antigen receptor T-cells. Giving BAFFR based chimeric antigen receptor T-cells with fludarabine and cyclophosphamide for lymphodepletion may work better for the treatment of patients with relapsed or refractory B-cell hematologic malignancies.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
PRE-REGISTRATION: Age ≥ 18 years
PRE-REGISTRATION: Confirmed diagnosis of 1 of the following relapsed or refractory B-cell hematologic malignancies: chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), follicular lymphoma (FL), mantle cell lymphoma (MCL), marginal zone lymphoma (MZL), or large B cell lymphoma (LBCL) including Richter's transformation from CLL/SLL
Demonstration of progressive or stable disease by positron emission tomography/computed tomography (PET/CT) or computed tomography (CT) criteria according to the international workshop on chronic lymphocytic leukemia (iwCLL) 2018 criteria
Demonstration of progressive or stable disease by PET/CT or CT criteria as the best response to the most recent chemotherapy regimen according to the revised Lugano Response Criteria for Malignant Lymphoma
Disqualifiers
PRE-REGISTRATION: Prior solid organ transplantation
PRE-REGISTRATION: Unstable angina, clinically significant arrhythmia, or myocardial infarction ≤ 6 months of prior to pre-registration, or grade 3 or higher pericardial effusion at the time of pre-registration
PRE-REGISTRATION: Prior anti-BAFF-R therapies
PRE-REGISTRATION: Known contraindication to lymphodepleting (LD) chemotherapy
Trial design
Single group
Treatments tested in this trial
Autologous BAFFR-targeting CAR T Cells
Biological/VaccineGiven IV
Bendamustine
DrugGiven IV
Biopsy
Procedure/SurgeryUndergo biopsy
Biospecimen Collection
Procedure/SurgeryUndergo blood sample collection
Bone Marrow Aspiration and Biopsy
Procedure/SurgeryUndergo bone marrow biopsy/aspirate
Computed Tomography
Procedure/SurgeryUndergo CT scan
Cyclophosphamide
DrugGiven IV
Echocardiography
Procedure/SurgeryUndergo echocardiography
Fludarabine
DrugGiven IV
Leukapheresis
Procedure/SurgeryUndergo leukapheresis
Magnetic Resonance Imaging
Procedure/SurgeryUndergo MRI
Positron Emission Tomography
Procedure/SurgeryUndergo PET scan
Treatment groups
Trial outcomes
Primary outcomes
Incidence of dose-limiting toxicities (DLT)
DLTs are defined per the protocol and assessed by the number of DLTs that occur during the DLT evaluation period and persist beyond the specified duration (relative to the time of onset, defined as within 28 days).
Incidence and severity of treatment emergent adverse events
Defined as adverse events (AEs) that occur or worsen in severity on or after MC10029 product infusion.
Secondary outcomes
Overall response rate
Will be estimated by the number of patients with an objective status of complete response (CR) or partial response (PR) by the positron emission tomography-computed tomography (PET-CT) based response criteria . Will be assessed according to Lugano criteria for lymphomas (follicular lymphoma \[FL\], mantle cell lymphoma \[MCL\], marginal zone lymphoma \[MZL\], large b-cell lymphoma \[LBCL\]) and International Workshop on Chronic Lymphocytic Leukemia (iwCLL) 2018 criteria for chronic lymphocytic leukemia (CLL).
Complete response rate
Will be assessed according to Lugano criteria for lymphomas (FL, MCL, MZL, LBCL) and iwCLL 2018 criteria for CLL.
Duration of response
Defined as the time from onset of response to progression or death due to any reason, whichever occurs earlier.
Progression free survival
Defined as the time from initiation of treatment to the occurrence of disease progression or death.
Sponsors and contacts
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