A Phase 2, Open-label, Multiple Cohort, Single-arm, Multi-center Trial to Determine the Safety, Feasibility and Efficacy of JCAR015 in Adult Subjects With B-cell Acute Lymphoblastic Leukemia.
Overview
- Phase
- Phase 1
- Intervention
- JCAR015
- Conditions
- Precursor Cell Lymphoblastic Leukemia-Lymphoma
- Sponsor
- Celgene
- Locations
- 18
- Primary Endpoint
- Overall Response Rate (ORR)
- Status
- Withdrawn
- Last Updated
- 9 years ago
Overview
Brief Summary
This is a single-arm, multi-center, open-label, Phase 2 study to determine the efficacy and safety of JCAR015 in adult subjects with B-cell ALL. The study is divided into two sequential parts, Part A and Part B; subjects will be screened and will provide informed consent before initiating any study procedures in Part A of the study.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Age ≥18 years at the time of signing the informed consent form
- •Subject must understand and voluntarily sign an Informed consent form (ICF) prior to any study-related assessments/procedures being conducted
- •Subject is willing and able to adhere to the study visit schedule and other protocol requirements
- •Diagnosis of B-cell Acute Lymphoblastic Leukemia (ALL)
- •Evidence of CD19 expression via flow cytometry (peripheral blood or bone marrow) or immunohistochemistry (bone marrow biopsy)
- •Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2
- •No contraindications to cyclophosphamide. This includes subjects with:
- •hypersensitivity to cyclophosphamide, any of its metabolites
- •acute infections
- •bone marrow aplasia or bone marrow depression prior to treatment
Exclusion Criteria
- •Isolated extramedullary disease relapse
- •Concomitant genetic syndrome such as Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or any other known bone marrow failure syndrome
- •Burkitt's lymphoma/leukemia or chronic myelogenous leukemia (CML) lymphoid blast crisis (p210 BCR-ABL+)
- •Prior malignancy, unless treated with curative intent and with no evidence of active disease present for \> 5 years before signing the informed consent form, with the following exceptions:
- •a. Subjects with Stage I breast cancer that has been completely and successfully treated, requiring no therapy or only anti-hormonal therapy b. Subjects with T1N0M0 or T2N0M0 colorectal cancer who have been completely and successfully resected and who are disease-free for \> 2 years prior to screening c. Subjects with indolent prostate cancer, defined as clinical stage T1 or T2a, Gleason score ≤ 6, and prostate-specific antigen (PSA) \< 10 ng/mL, requiring no therapy or only anti- hormonal therapy d. Subjects with a history of basal cell or squamous cell carcinoma of the skin, or carcinoma in situ of the cervix, fully resected, and with no evidence of active disease
- •Treatment with any prior gene therapy product
- •Active hepatitis B, active hepatitis C, or any human immunodeficiency virus (HIV) infection at the time of signing the informed consent form
- •Systemic fungal, bacterial, viral, or other infection that is not controlled (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement, despite appropriate antibiotics or other treatment) at the time of signing the informed consent form
- •Presence of Grade II-IV (Glucksberg) or B-D (IBMTR) acute or extensive chronic GVHD at the time of signing the informed consent form
- •Active C S involvement by malignancy, defined as CNS-3 per NCCN guidelines. Subjects with a history of Central nervous system (CNS) disease that has been effectively treated (defined as one documented negative CSF evaluation within 1 month prior to signing the informed consent form) will be eligible
Arms & Interventions
JCAR015 administration
Single dose of 1.0-3.0 mg/m\^2 IV cyclophosphamide, JCAR015 Dose 1 1x10\^6 Tcells/kg, JCAR015 Dose 2 3x10\^6 Tcells/kg
Intervention: JCAR015
Outcomes
Primary Outcomes
Overall Response Rate (ORR)
Time Frame: Up to 6 months
The primary efficacy endpoint (for Cohorts 1-4) is ORR as determined by an Independent Review Committee (IRC). The ORR is, defined as proportion of subjects with a best overall response of Complete response (CR) or Complete response with incomplete peripheral blood count recovery (CRi) from 28 days through 6 months after the final infusion of JCAR015 or the start of receiving another anti-cancer therapy whichever comes first.
Minimal residual disease (MRD)
Time Frame: Up to 90 days
Evaluate the proportion of subjects who achieve a MRD negative complete response (CR) and the duration of MRD negative status, if achieved, after JCAR015 administration.
Secondary Outcomes
- Duration of Minimal residual disease (MRD) response(Up to 24 months)
- Depth of Minimal residual disease (MRD) response(Up to 24 months)
- Event-free survival (EFS)(Up to 24 months)
- Overall survival (OS)(Up to 24 months)
- Adverse Events (AEs)(Up to 2 years)
- Relapse-free survival (RFS)(Up to 24 months)
- Percent Minimal residual disease (MRD) negative(Up to 24 months)
- Pharmacokinetics - Cmax(Up to 24 months)
- Duration of remission (DOR)(Up to 24 months)
- Pharmacokinetics - AUC(Up to 24 months)
- Pharmacokinetics- Tmax(Up to 24 months)