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Clinical Trial Summary

Treatment of patients with B cell lymphoma or leukemia with two doses of CD19-targeting chimeric antigen receptor (CAR) T cells to evaluate for safety and efficacy.


Clinical Trial Description

Treatment of patients with B cell lymphoma or leukemia with two doses of CD19-targeting chimeric antigen receptor (CAR) T cells to evaluate for safety and efficacy. The CAR consists of a CD19 targeting antibody scFv with three intracellular signaling domains derived from CD3 zeta, CD28 and 4-1BB. Autologous T cells will be gene engineered with the CAR gene using a retrovirus vector. Prior to T cell infusion, the patients will be subjected to preconditioning treatment. After the second infusion patients will be subjected to immunomodulatory treatment. After T cell infusion, the patients will be evaluated for 24 months for adverse reactions, persistence of CAR T cells and efficacy. Primary outcome: - Registration of the safety profile such as inflammation, fever, pain, changes in blood pressure, pulse and other adverse events. Weekly for the first 6 weeks, then at 3, 6, 9, 12, 15, 18, 21 and 24 months. Secondary outcome: Tumor response, CAR T cell persistence and immunological profile - Determination of tumor size and the tumor marker CD19. - Determination of the levels of circulating B cells. - Determination of the level of CAR T cells (mRNA and cells) in blood and biopsies. - Determination of activation markers on CAR T cells such as CD107a. - Determination of the presence of immunological markers in blood and biopsies. At 1 and 3 weeks then at 3, 6, 9, 12, 15, 18, 21 and 24 months. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03068416
Study type Interventional
Source Uppsala University
Contact
Status Completed
Phase Phase 2
Start date September 18, 2017
Completion date August 19, 2021

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