Last updated on February 2018

CD19 CAR-T Cells for Patients With Relapse and Refractory CD19+ B-ALL.

Brief description of study

The purpose of this study is to infusion CD19 CAR-T cells to the patients with relapsed and refractory CD19+ B cell leukemia, to assess the safety and feasibility of this strategy. The CAR enables the T cell to recognize and kill the leukemic cell through the recognition of CD19, a protein expressed of the surface of the leukemic cell in patients with CD19+ leukemia.

Detailed Study Description

Upon meeting the eligibility requirements and enrolling on study, Subjects will be collected large numbers of peripheral blood mononuclear cells (PBMC) for the generation of the CD19 CAR-T cells. The T cells are isolated from the PBMC, transduced with a lentivirus to express the CD19 CAR as well as a truncated EGFR that has no signaling capacity (noted EGFRt) and expanded in vitro and then administered to subjects.

Subjects will have blood tests to assess safety and efficacy, and persistence of the CD19 CAR-T cells on week 4 after their last infusion. Following the 6 months of intensive follow-up, subjects will be evaluated every 10 weeks for 1 year with a physical examination, blood tests, bone marrow aspirate, MRD and persistence of CD19 CAR-T.

Some subjects will receive cetuximab for ablation of the genetically modified T cells. Criteria to receive cetuximab include acute toxicities that are life threatening.

Clinical Study Identifier: NCT03263208

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Recruitment Status: Open

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