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Epstein-Barr Virus Specific Cytotoxic T-Cells in Treating Patients with Relapsed Acute Lymphoblastic Leukemia Who Have Undergone Donor Stem Cell Transplant

Trial Status: closed to accrual

This phase I trial studies the side effects of Epstein-Barr virus specific cytotoxic T-cells given together with cyclophosphamide in treating patients with acute lymphocytic leukemia that has come back (relapsed) and who have undergone donor stem cell transplant. Vaccines made from a donor's gene-modified T-cells may help the body build an effective immune response to kill cancer cells that express cluster of differentiation (CD)19. Drugs used in chemotherapy, such as cyclophosphamide, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving Epstein-Barr virus specific cytotoxic T-cells together with chemotherapy may kill more cancer cells.