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Precursor B Cell Acute Lymphoblastic Leukemia (B-ALL) Treated With Autologous T Cells Genetically Targeted to the B Cell Specific Antigen CD19

A Phase I Trial of Precursor B Cell Acute Lymphoblastic Leukemia (B-ALL) Treated With Autologous T Cells Genetically Targeted to the B Cell Specific Antigen CD19

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01044069
Enrollment
93
Registered
2010-01-07
Start date
2010-01-05
Completion date
2027-01-01
Last updated
2026-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Lymphoblastic Leukemia, Leukemia

Keywords

Cyclophosphamide, T cell, leukapheresis, stem cell transplant, bone marrow transplant, 09-114

Brief summary

This study is an investigational approach that uses immune cells, called "T cells", to kill leukemia. These T cells are removed from blood, modified in a laboratory, and then put back in the body. T cells fight infections and can also kill cancer cells in some cases. However, right now T cells are unable to kill the cancer cells. For this reason we will put one gene into the T cells that allows them to recognize and kill the leukemia cells. This gene will be put in the T cells by a weakened virus. The gene will produce proteins in the T cells that help the T cells recognize the leukemia cells and possibly kill them. The doctors have found that T cells modified in this way can cure an ALL-like cancer in mice. The main goals of this study is to determine the safety and appropriate dose of these modified T cells in patients with ALL. This will be done in a "clinical trial." The dose of modified T-cells will depend on if you have disease present in your bone marrow or not. The patient will also receive chemotherapy before the T cells. We will use normally chemotherapy that is used in patients with leukemia. The chemotherapy is given to reduce leukemia and to allow the T cells to live longer.

Interventions

BIOLOGICALgene-modified T cells targeted

Pts will undergo leukapheresis. The leukapheresis product will be washed \& frozen until the GTF is directed to start T cell production by the PI. CD3+ T cells will be isolated from the leukapheresis, \& transduced with the 19-28z chimeric receptor \& expanded. All relapsed (either MRD+ or morphologic) \& refractory pts get re-induction chemo whenever feasible to optimally reduce the tumor burden prior to the T cell infusion. The re-induction chemo regimen will be selected by the treating dr. based on prior therapy, adverse reactions to chemo \& highest likelihood to achieve an optimal response. Once pts recover from the toxicities of the re-induction chemo the disease status will be re-evaluated by repeating bone marrow aspirate or biopsy. Pts get conditioning chemo (min 2 weeks from end of re-induction chemo) followed 2-7 days later by the 19-28z+ T cells. Pts will be tx in 2 cohorts with diff doses of T cells according to the amount of disease immediately prior to the T cell infusion.

Sponsors

Memorial Sloan Kettering Cancer Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult patients are eligible (\> or = to 18 year old). * Patients must have B- ALL refractory, relapsed, MRD, or in first CR as described below. * Complete remission is defined as restoration of normal hematopoiesis with a neutrophil count \> 1,000 x 106/L, a platelet count \> 100,000 x 106/L, and hemoglobin \> 10 g/dL. Blasts should be \< 5% in a post-treatment bone marrow differential. Furthermore, there should be no clinical evidence of leukemia for a minimum of four weeks. * MRD is defined as patients meeting the criteria for CR above, but with residual disease measured by a quantitative PCR, or by flow or by deep-sequencing of the IgH rearrangements . The assay from blood and/or bone marrow defines MRD by qPCR as a cycle threshold (CT) that is at least 1 CT value \< than the lowest CT value from the background. Outside laboratory tests may suffice for this assessment at the discretion of the Principal Investigator. Relapsed B-ALL will be defined as patients that meet the above criteria for a CR before developing recurrent disease (increased bone marrow blasts). Refractory patients will be defined as patients that have not achieved a CR after 1 cycle of induction chemotherapy * Patients must have a diagnosis of B-ALL by flow cytometry, or bone marrow histology, and/or cytogenetics. * Patients must have CD19+ ALL as confirmed by flow cytometry and/or immunohistochemistry. * Creatinine \< 2.0 mg/100 ml, bilirubin \< 2.0 mg/100 ml, AST and ALT \< 3x normal, PT and PTT \< 2x normal outside the setting of stable chronic anticoagulation therapy. LFTs (Bilirubin, AST, and/or ALT) may be acceptable if the elevation is secondary to leukemia infiltration or leukemia therapy with tyrosine kinase inhibitors. * Adequate cardiac function (LVEF ≥ 40%) as assessed by ECHO or MUGA or other similar cardiac imaging performed within 1 month of enrollment. * Adequate pulmonary function as assessed by ≥ 92% oxygen saturation on room air by pulse oximetry. * Patients must have adequate access for leukapheresis procedure as assessed by staff from the MSKCC Donor Room. * Life expectancy \> 3 months

Exclusion criteria

* Karnofsky performance status \< 70. * Active central nervous system (CNS) leukemia, as defined by unequivocal morphologic evidence of lymphoblasts in the cerebrospinal fluid (CSF) or symptomatic CNS leukemia (i.e. cranial nerve palsies or other significant neurologic dysfunction) within 28 days of enrollment. Prophylactic intrathecal medication is not a reason for exclusion. * Patients previously treated with an allogeneic SCT that is currently complicated by active GVHD requiring T cell suppressive therapy. Patients with following cardiac conditions will be excluded: * New York Heart Association (NYHA) stage III or IV congestive heart failure * Myocardial infarction ≤6 months prior to enrollment * History of clinically significant ventricular arrhythmia or unexplained syncope, not believed to be vasovagal in nature or due to dehydration * History of severe non-ischemic cardiomyopathy with EF ≤20% * Patients with HIV, hepatitis B or hepatitis C infection. * Patients with any concurrent active malignancies as defined by malignancies requiring any therapy other than expectant observation.

Design outcomes

Primary

MeasureTime frame
To evaluate the safety of adoptive transfer of gene-modified autologous CD19-specific T cells in adult patients with B-ALL.2 years

Secondary

MeasureTime frame
To assess the anti-leukemic effect of adoptively transferred anti-CD19 T cells.2 years

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORJae Park, MD

Memorial Sloan Kettering Cancer Center

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 9, 2026