View clinical trials related to Preleukemia.
Filter by:The purpose of this study was to determine which of the doses of decitabine maximizes genomic demethylation in patients with Myelodysplastic Syndrome (MDS).
RATIONALE: A peripheral stem cell transplant or an umbilical cord blood transplant from a donor may be able to replace blood-forming cells that were destroyed by chemotherapy or radiation therapy. Giving an infusion of the donor's white blood cells (donor lymphocyte infusion) after the transplant may help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells can make an immune response against the body's normal cells. Methotrexate, cyclosporine, tacrolimus, or methylprednisolone may stop this from happening. PURPOSE: This clinical trial is studying how well a donor stem cell transplant or donor white blood cell infusions work in treating patients with hematologic cancer.
The purpose of this study is to find out what the maximal tolerated dose of Velcade can be given with thalidomide in patients with myelodysplasia.
RATIONALE: Giving chemotherapy drugs and total-body irradiation before a donor bone marrow transplant helps stop the growth of cancer and abnormal cells and 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. Giving colony-stimulating factors, such as G-CSF, to the donor helps the stem cells move from the bone marrow to the blood so they can be collected and stored. PURPOSE: This clinical trial is studying how well a G-CSF-treated donor bone marrow transplant works in treating patients with hematologic cancer or noncancer.
This is a Phase II, open-label, non-randomized study in patients with low, intermediate-1, intermediate-2, or high-risk MDS (defined by IPSS). Each cycle of treatment will be 6 weeks in length. Patients will be evaluated every 6 weeks for response. Patients will be treated for a minimum of 12 weeks even in the absence of response. Following 12 weeks of treatment, patients will continue to receive study treatment until disease progression or unacceptable toxicity.
RATIONALE: Drugs used in chemotherapy, such as azacitidine and arsenic trioxide, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more cancer cells. PURPOSE: This phase I/II trial is studying the side effects and best dose of azacitidine when given together with arsenic trioxide and to see how well they work in treating patients with myelodysplastic syndromes.
In this phase II study besides evaluating for safety, the primary efficacy parameter is to evaluate the incidence of patients who have had a response to Trisenox by evidence of increased blood counts (red, white, or platelets) and/or by decrease or transfusion dependency. The secondary efficacy parameter is the assessment of the tolerability of the new dosing schedule. Arsenic trioxide will be administered intravenously over 1 to 2 hours with a loading dose of 0.30mg/kg for days 1-5 of the first week and then twice weekly for 27 weeks for a total of 28 weeks.
Umbilical cord blood is used as a source of hematopoietic stem cells for bone marrow reconstitution in patients who would be potential candidates for a bone marrow transplant from an unrelated marrow donor. The outcome of transplantation is obtained to assess cord blood myeloid and platelet engraftment, transplant related mortality, overall survival, graft vs. host disease and, for patients with leukemia, lymphoma or myelodysplasia, relapse.
To assess the proportion of patients with donor neutrophil engraftment within 30 days of allogeneic transplant. To assess the incidence of acute GvHD during the first 100 days after transplantation.
The purpose of this study is to test the hypothesis that a pre-infusion preparative regimen of cyclophosphamide and fludarabine will improve the effectiveness of DLI in patients with blood cancers.