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Laboratory-Treated T-Cells in Treating Patients With Chemotherapy-Resistant or Refractory B-Cell Acute Lymphoblastic Leukemia

Trial Status: complete

This phase II trial studies how well T-cells taken from patients and modified in the laboratory work in treating patients with B-cell acute lymphoblastic leukemia that has failed to respond to or that has returned after chemotherapy. T cells, or white blood cells, are taken from patients and modified to target and possibly kill cancerous B-cells using a virus. Chemotherapy is given to make room for the new genetically modified cells and allow them to grow. The cells are then returned to patients by infusion.