Active clinical trials for "Myelodysplastic-Myeloproliferative Diseases"

RATIONALE: Studying samples of blood in the laboratory from patients with cancer may help doctors learn more about nausea and vomiting caused by cancer treatment. PURPOSE: This laboratory study is looking at blood samples from patients with cancer who were treated on a clinical trial to control nausea and vomiting during donor stem cell transplant.

This randomized phase II trial studies how well treosulfan and fludarabine phosphate, with or without total body irradiation before donor stem cell transplant works in treating patients with myelodysplastic syndrome or acute myeloid leukemia. Giving chemotherapy, such as treosulfan and fludarabine phosphate, and total-body irradiation before a donor stem cell transplant helps stop the growth of cancer cells. It may also stop the patient's immune system from rejecting the donor's stem cells. The donated stem cells may replace the patient's immune cells and help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving tacrolimus before and mycophenolate mofetil after the transplant may stop this from happening.

RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors predict whether patients undergoing donor stem cell transplant will develop acute graft-versus-host disease. PURPOSE: This clinical trial is studying T cells to see how well they help in predicting acute graft-versus-host disease in patients undergoing donor stem cell transplant.

RATIONALE: Umbilical cord blood or placental blood transplantation may be able to replace immune cells that were destroyed by the chemotherapy or radiation therapy that was used to kill cancer cells. PURPOSE: Phase II trial to study the effectiveness of umbilical cord blood and placental blood transplantation in treating patients who have hematologic cancer or aplastic anemia.

RATIONALE: Giving chemotherapy drugs and total-body irradiation before a donor peripheral blood stem cell transplant helps stop the growth of cancer cells. It also helps stop the patient's immune system from rejecting the donor's stem cells. When the healthy stem cells from a donor are infused into the patient they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets. PURPOSE: This phase II trial is studying the effectiveness of donor peripheral blood stem cell transplant in treating patients with hematologic cancer.

RATIONALE: Decitabine may help myelodysplasia cells develop into normal stem cells. It is not yet known if decitabine is more effective than standard supportive care in treating myelodysplastic syndrome. PURPOSE: Randomized phase III trial to compare the effectiveness of low-dose decitabine with that of standard supportive care in treating older patients who have myelodysplastic syndrome.

This pilot clinical trial studies mechanical stimulation in preventing bone density loss in patients undergoing donor stem cell transplant. Mechanical stimulation may limit, prevent, or reverse bone loss, increase muscle and cardiac performance, and improve overall health

RATIONALE: Antimicrobial solution comprising trimethoprim-sulfamethoxazole, edetate calcium disodium, and ethanol may help prevent blockages and infections from forming in patients with central venous access catheters or peripheral venous catheters. PURPOSE: This randomized trial is studying an antimicrobial solution or saline solution in maintaining catheter patency and preventing catheter-related blood infections in patients with malignancies.

RATIONALE: Studying immune response to flu vaccine in patients who have undergone a stem cell transplant may help doctors plan the best treatment. PURPOSE: This clinical trial is studying flu vaccine to see how well it works in preventing infection in patients who have undergone a stem cell transplant and in healthy volunteers.

This randomized phase III trial is studying how well Caphosol rinse works in preventing mucositis in young patients undergoing autologous or donor stem cell transplant. Supersaturated calcium phosphate (Caphosol) rinse may be able to prevent mucositis, or mouth sores, in patients undergoing stem cell transplant.