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Clinical Trial Summary

RATIONALE: Placing a tumor antigen chimeric receptor that has been created in the laboratory into patient autologous or donor-derived T cells may make the body build immune response to kill cancer cells.

PURPOSE: This clinical trial is studying genetically engineered lymphocyte therapy in treating patients with B-cell leukemia or lymphoma that is relapsed (after stem cell transplantation or intensive chemotherapy) or refractory to chemotherapy.


Clinical Trial Description

PRIMARY OBJECTIVES:

I. Determine the safety and feasibility of the chimeric antigen receptor T cells transduced with the anti-CD19/CD22 vector (referred to as tanCART-19/22 cells).

II. Determine duration of in vivo survival of tanCART-19/22 cells. RT-PCR (reverse transcription polymerase chain reaction) analysis of whole blood will be used to detect and quantify survival of tanCART-19/22TCR (T-cell receptor) zeta:CD137 and TCR zeta cells over time.

SECONDARY OBJECTIVES:

I. For patients with detectable disease, measure anti-tumor response due to tanCART-19/22 cell infusions.

II. CD137 transgene is measured by the relative engraftment levels of tanCART-19/22 CD137 and TCR zeta cells over time.

III. Estimate relative trafficking of tanCART-19/22 cells to tumor in bone marrow and lymph nodes.

IV. For patients with stored or accessible tumor cells (such as patients with active chronic lymphocytic leukemia(CLL), acute lymphocytic leukemia (ALL), etc) determine tumor cell killing by tanCART-19/22 cells in vitro.

V. Determine if cellular or humoral host immunity develops against the murine anti-CD19/22, and assess correlation with loss of detectable tanCART-19/20 (loss of engraftment).

VI. Determine the relative subsets of tanCART-19/22 T cells (Tcm, Tem, and Treg).

OUTLINE: Patients are assigned to 1 group according to order of enrollment. Patients receive anti-CD19/22-CAR (coupled with CD137 and CD3 zeta signalling domains)vector-transduced autologous T cells on days 0,1, and 2 in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed intensively for 6 months, every 3 months for 2 years, and annually thereafter for 13 years. ;


Study Design


Related Conditions & MeSH terms

  • Adult Acute Lymphoblastic Leukemia in Remission
  • B-cell Adult Acute Lymphoblastic Leukemia
  • B-Cell Chronic Lymphocytic Leukemia in Relapse (Diagnosis)
  • Hematopoietic/Lymphoid Cancer
  • Leukemia
  • Leukemia, Lymphocytic, Chronic, B-Cell
  • Leukemia, Lymphoid
  • Leukemia, Prolymphocytic
  • Lymphoma
  • Lymphoma, Follicular
  • Lymphoma, Large B-Cell, Diffuse
  • Lymphoma, Mantle-Cell
  • Lymphoma, Non-Hodgkin
  • Precursor Cell Lymphoblastic Leukemia-Lymphoma
  • Prolymphocytic Leukemia
  • Recurrent Adult Diffuse Large Cell Lymphoma
  • Recurrent Grade 1 Follicular Lymphoma
  • Recurrent Grade 2 Follicular Lymphoma
  • Recurrent Grade 3 Follicular Lymphoma
  • Recurrent Mantle Cell Lymphoma
  • Refractory Chronic Lymphocytic Leukemia
  • Stage III Adult Diffuse Large Cell Lymphoma
  • Stage III Chronic Lymphocytic Leukemia
  • Stage III Grade 1 Follicular Lymphoma
  • Stage III Grade 2 Follicular Lymphoma
  • Stage III Grade 3 Follicular Lymphoma
  • Stage III Mantle Cell Lymphoma
  • Stage IV Adult Diffuse Large Cell Lymphoma
  • Stage IV Chronic Lymphocytic Leukemia
  • Stage IV Grade 1 Follicular Lymphoma
  • Stage IV Grade 2 Follicular Lymphoma
  • Stage IV Grade 3 Follicular Lymphoma
  • Stage IV Mantle Cell Lymphoma

NCT number NCT03185494
Study type Interventional
Source Chinese PLA General Hospital
Contact
Status Active, not recruiting
Phase Phase 1/Phase 2
Start date August 1, 2017
Completion date August 1, 2020

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