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Vaccine Therapy after Donor Stem Cell Transplant in Treating Patients with Advanced Myelodysplastic Syndrome or Acute Myeloid Leukemia

Trial Status: administratively complete

This randomized phase II trial studies how well vaccine therapy after donor stem cell transplant works in treating patients with myelodysplastic syndrome or acute myeloid leukemia that has spread to other places in the body (advanced). Vaccines made from a gene-modified virus and a person's tumor cells may help the body build an immune response to kill cancer cells. Giving chemotherapy before a donor peripheral blood or bone marrow transplant helps kill cancer cells in the body and helps make room in the patient's bone marrow for new blood-forming cells (stem cells) to grow. When the healthy stem cells from a donor are infused into a patient, they may help the patient's bone marrow make more healthy cells and platelets and may help destroy any remaining cancer cells. It is not yet known whether giving vaccine therapy after a donor peripheral blood or bone marrow transplant is more effective than transplant alone in treating myelodysplastic syndrome or acute myeloid leukemia.