- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03573700
Evaluation of CD19-Specific CAR Engineered Autologous T-Cells for Treatment of Relapsed/Refractory CD19+ Acute Lymphoblastic Leukemia
SJCAR19: A Phase I/II Study Evaluating SJCAR19 (CD19-Specific CAR Engineered Autologous T-Cells) in Pediatric and Young Adult Patients ≤ 21 Years of Age With Relapsed or Refractory CD19+ Acute Lymphoblastic Leukemia
SJCAR19 is a research study seeking to evaluate the use of chimeric antigen receptor (CAR) T cell therapy, a type of cellular therapy, for the treatment of pediatric, adolescent and young adult patients with relapsed or refractory CD19+ acute lymphoblastic leukemia (ALL). CAR therapy combines two of the body's basic disease fighters: antibodies and T Cells. For this type of therapy, peripheral (circulating) immune cells are collected and then undergo a manufacturing process to engineer them to more effectively kill cancer cells. The SJCAR19 product will be manufactured at the St. Jude Children's Research Hospital's Good Manufacturing Practice (GMP) facility.
The main purpose of this study is to determine:
- The largest dose of SJCAR19 that is safe to give,
- How long SJCAR19 cells last in the body,
- The side effects of SJCAR19, and
- Whether or not treatment with SJCAR19 is effective in treating people with refractory or relapsed ALL.
Study Overview
Status
Detailed Description
SJCAR19 is a Phase I/II clinical trial evaluating the use of SJCAR19 (CD19- specific CAR engineered autologous T-cells) in pediatric, adolescent and young adult patients with relapsed/ refractory CD19+ ALL. Treatment will include a single treatment course, with most patients receiving a lymphodepleting chemotherapy preparative regimen of fludarabine/ cyclophosphamide, followed by a single infusion of SJCAR19.
This protocol contains a 3-part consent process: 1) to proceed with autologous apheresis, 2) to proceed with manufacturing of the SJCAR19 product, and 3) to receive treatment with the SJCAR19 product (initially as Phase I, then proceeding to Phase II). The Phase I portion will evaluate the safety and maximum tolerated dose (MTD) of SJCAR19.
The Phase II portion will evaluate the efficacy, and provide further safety evaluation, of SJCAR19 in an expansion cohort at the MTD determined in the Phase I portion of the study. Additionally, for both the Phase I/II portions of the study there are correlative studies evaluating the biology of this treatment as well assessments into patient/caregiver experiences with undergoing this treatment.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Aimee C. Talleur, MD
- Phone Number: 866-278-5833
- Email: referralinfo@stjude.org
Study Locations
-
-
Tennessee
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Memphis, Tennessee, United States, 38105
- St. Jude Children's Research Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria for Autologous Apheresis:
- Age ≤ 21 years old
CD19+ ALL with any of the following:
- Minimal Residual Disease (MRD) ≥ 1% at end of up-front induction therapy
- Hypodiploid (< 44 chromosomes or < 0.95 DNA index) CD19+ ALL with detectable disease at the end of up-front induction therapy
- Increase in disease burden any time after the completion of up-front induction therapy
- Primary refractory disease despite at least 2 cycles of an intensive chemotherapy regimen designed to induce remission
- Refractory disease despite salvage therapy
- 1st or greater relapse
- Estimated life expectancy of > 12 weeks
- Karnofsky or Lansky (age-dependent) performance score ≥ 50
- Patients with a history of prior allogeneic hematopoietic cell transplantation [HCT] must be clinically recovered from prior HCT therapy, have no evidence of active GVHD and have not received a donor lymphocyte infusion (DLI) within the 28 days prior to apheresis
For females of child bearing age:
- Not lactating with intent to breastfeed
- Not pregnant with negative serum pregnancy test within 7 days prior to enrollment
Exclusion Criteria for Autologous Apheresis:
- Known primary immunodeficiency
- History of HIV infection
- Severe intercurrent bacterial, viral or fungal infection
- History of hypersensitivity reactions to murine protein-containing products
Eligibility Criteria for Manufacturing SJCAR19:
CD19+ ALL with any of the following:
- Primary refractory disease despite at least 2 cycles of an intensive chemotherapy regimen designed to induce remission
- Refractory disease despite salvage therapy
- 2nd or greater relapse
- Any relapse after allogeneic hematopoietic cell transplantation
- 1st relapse if patient requires an allogeneic HCT as part of standard of care relapse therapy, but is found to be ineligible and/or unsuitable for HCT
- Age: ≤ 21 years of age
- Karnofsky or Lansky (age-dependent) performance score ≥ 50
- Estimated life expectancy of > 12 weeks
- Meets eligibility criteria to undergo autologous apheresis, or have previously undergone autologous apheresis
Inclusion Criteria for Treatment with SJCAR19:
CD19+ ALL with any of the following:
- Primary refractory disease despite at least 2 cycles of an intensive chemotherapy regimen designed to induce remission
- Refractory disease despite salvage therapy
- 2nd or greater relapse
- Any relapse after allogeneic hematopoietic cell transplantation
1st relapse if patient requires an allogeneic HCT as part of standard of care relapse therapy, but is found to be ineligible and/or unsuitable for HCT for any of the following reasons:
- Patients that do not have an available allogeneic donor (defined as at least a 7/8 HLA-matched related/unrelated donor, 5/6 HLA-matched umbilical cord donor, or 3/6 HLA-matched haploidentical donor)
- Patients with refractory leukemia, for which allogeneic transplant is known to be less effective in the B-ALL population, and
- Patients who are unable to receive myeloablative total body irradiation (TBI), which is included in standard transplant regimens for patients with B - ALL.
- Detectable disease
- Age: ≤ 21 years of age
- Estimated life expectancy of > 8 weeks
- Prior to planned SJCAR19 infusion, patients with a history of prior allogeneic HCT must be at least 3 months from HCT, have no evidence of active GVHD and have not received a donor lymphocyte infusion (DLI) within the 28 days prior to planned infusion
- Adequate cardiac function defined as left ventricular ejection fraction > 40%, or shortening fraction ≥ 25%
- EKG without evidence of clinically significant arrhythmia
- Adequate renal function defined as creatinine clearance or radioisotope GFR ≥50 ml/min/1.73m2 (GFR ≥40 ml/min/1.73m2 if < 2 years of age)
- Adequate pulmonary function defined as forced vital capacity (FVC) ≥ 50% of predicted value; or pulse oximetry ≥ 92% on room air if patient is unable to perform pulmonary function testing
- Karnofsky or Lansky (age-dependent) performance score ≥ 50
- Total Bilirubin ≤ 3 times the upper limit of normal for age, except in subjects with Gilbert's syndrome
- Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≤ 5 times the upper limit of normal for age
- Hemoglobin > 8 g/dl (can be transfused)
- Platelet count > 20,000/μL (can be transfused)
- Has recovered from all NCI CTAE grade III-IV, non-hematologic acute toxicities from prior therapy
For females of child bearing age:
- Not lactating with intent to breastfeed
- Not pregnant with negative serum pregnancy test within 7 days prior to enrollment
- If sexually active, agreement to use birth control until 6 months after T-cell infusion. Male partners should use a condom
- Available SJCAR19 product with ≥ 15% expression of the CD19-CAR, and killing of CD19+ targets ≥ 20% in an in vitro cytotoxicity assay
- Agreement to participate in long-term follow-up on protocol NCT00695279
Exclusion Criteria for Treatment with SJCAR19:
- CNS-3 disease with or without neurologic changes
- CNS-1/CNS-2 disease with neurologic changes
- Known primary immunodeficiency
- History of HIV infection
- Evidence of active, uncontrolled neurologic disease
- Severe, uncontrolled bacterial, viral or fungal infection
- History of hypersensitivity reactions to murine protein-containing products
- Receiving systemic steroids therapy exceeding the equivalent of 0.5 mg/ kg/day of methylprednisolone, in the 7 days prior to CAR T-cell infusion
- Receiving systemic immunosuppressive therapy in the 14 days prior to CAR T-cell infusion
- Receiving intrathecal chemotherapy in the 7 days prior to CAR T-cell infusion
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: SJCAR19 Therapy
Patients in both the Phase I and Phase II portion of the study will receive lymphodepleting chemotherapy (unless determined by PI that lymphodepletion is not necessary), followed by a single infusion of the patient-derived SJCAR19 cellular product. The most commonly used lymphodepleting chemotherapy regimen will consist of the agents: Fludarabine and Cyclophosphamide. They will also receive Mesna. Dosing of SJCAR19 on the Phase I study will follow a dose escalation schema, with dose changes based on dose-limiting toxicities. In the Phase II study, SJCAR19 dosing with follow the maximum tolerated dose, as determined in the Phase I portion. Cells for infusion are prepared using the CliniMACS System. |
Given IV
Other Names:
Given IV
Other Names:
Given IV
Other Names:
The mechanism of action of the CliniMACS Cell Selection System is based on magnetic-activated cell sorting (MACS).
The CliniMACS device is a powerful tool for the isolation of many cell types from heterogeneous cell mixtures, (e.g.
apheresis products).
These can then be separated in a magnetic field using an immunomagnetic label specific for the cell type of interest.
Given IV
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum Tolerated Dose and Dose-limiting Toxicities
Time Frame: 4 weeks post-SJCAR19 infusion
|
The primary objectives for the Phase I study portion are to determine the maximum tolerated dose (MTD) and characterize the safety profile and dose-limiting toxicities (DLTs) of treatment with SJCAR19 in pediatric and young adult patient's ≤ 21 years of age, with relapsed or refractory CD19+ ALL.
|
4 weeks post-SJCAR19 infusion
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Complete Response Rate
Time Frame: 4 weeks post-SJCAR19 infusion
|
The primary objective for the Phase II study portion is to evaluate the complete response (CR) rates of SJCAR19 in pediatric and young adult patient's ≤ 21 years of age, with relapsed or refractory CD19+ ALL.
|
4 weeks post-SJCAR19 infusion
|
Collaborators and Investigators
Investigators
- Principal Investigator: Aimee C. Talleur, MD, St. Jude Children's Research Hospital
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Leukemia
- Precursor Cell Lymphoblastic Leukemia-Lymphoma
- Leukemia, Lymphoid
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antirheumatic Agents
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Cyclophosphamide
- Fludarabine
Other Study ID Numbers
- SJCAR19
- NCI-2017-01399 (Registry Identifier: NCI Clinical Trial Registration Proogram)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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