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A Phase 1 Study of CD22-CAR TCell Immunotherapy for CD22+ Leukemia and Lymphoma
Sponsor: Seattle Children's Hospital
Summary
Patients with relapsed or refractory leukemia often develop resistance to chemotherapy and some patients who relapse following CD19 directed therapy relapse with CD19 negative leukemia. For this reason, the investigators are attempting to use T-cells obtained directly from the patient, which can be genetically modified to express a chimeric antigen receptor (CAR) to CD22, a different protein from CD19, expressed on the surface of the leukemic cell in patients with CD22+ leukemia. The CAR enables the T-cell to recognize and kill the leukemic cell through the recognition of CD22, a protein expressed on the surface of the leukemic cell in patients with CD22+ leukemia. This is a Phase 1 study designed to determine the safety and feasibility of the CAR+ T - cells and the feasibility of making enough to treat patients with CD22+ leukemia.
Official title: Pediatric and Young Adult Leukemia Adoptive Therapy (PLAT)-04: A Phase 1 Feasibility and Safety Study of CD22-CAR T Cell Immunotherapy for CD22+ Leukemia and Lymphoma
Key Details
Gender
All
Age Range
1 Year - 26 Years
Study Type
INTERVENTIONAL
Enrollment
4
Start Date
2017-07-27
Completion Date
2035-07
Last Updated
2025-06-17
Healthy Volunteers
No
Conditions
Interventions
Patient-derived CD22-specific CAR T-cells also expressing an EGFRt
Patient-derived CD22-specific chimeric antigen receptor T-cells expressing an EGFRt
Locations (1)
Seattle Children's Hospital
Seattle, Washington, United States