Active clinical trials for "Myeloproliferative Disorders"

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.

To determine the prevalence of myelofibrosis in patients with primary pulmonary hypertension, and to discover if the fibrosis in these patients is primary (AMM) or secondary.

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 study involves screening for portal vein thrombosis and portal hypertension in patients with Philadelphia negative myeloproliferative neoplasms (MPNs). These include polycythemia vera (PV), essential thrombocythemia (ET), and myelofibrosis. Portal vein thrombosis and portal hypertension are serious complications that are often seen in myeloproliferative patients. These complications are usually diagnosed when patients become symptomatic, and are often already at an advanced stage. They can further progress to cause non-reversible damage to the liver, also called cirrhosis of the liver. As a result of this, patients often accumulate fluid in the abdomen which is ascites; and can develop swelling of veins in the lining of the esophagus known as varices. If untreated, varices have the risk of rupturing resulting in life-threatening bleeding. When diagnosed at an advanced stage, the treatment is usually supportive therapy and there are no treatments available at present which can reverse these conditions. This study is looking at screening for these two conditions using Doppler ultrasound and upper gastrointestinal endoscopy.

To evaluate if hyper-fractionated TBI or TMLI followed by Treg/Tcon adoptive immunotherapy improve cGvHD/disease free survival after allogeneic HSCT in patients affected by high-risk acute leukemias or other hematologic malignancy where HSCT is indicated.

TQ05105 is a JAK2 inhibitors and can be used to treat JAK2 target-related diseases. The activation of the JAK/STAT pathway is related to abnormal proliferation, obstruction of apoptosis, and differentiation disorder of leukemia cells which is caused by genetic abnormalities and viral infection.

RATIONALE: Antiemetic drugs, such as aprepitant and ondansetron, may help lessen nausea and vomiting caused by opioids. It is not yet known whether aprepitant is more effective than ondansetron in treating nausea and vomiting caused by opioids in patients with cancer. PURPOSE: This randomized clinical trial is studying aprepitant to see how well it works compared to ondansetron in treating nausea and vomiting caused by opioids in patients with cancer.

This randomized phase II trial studies how well multi-antigen cytomegalovirus (CMV)-modified vaccinia Ankara vaccine works in reducing CMV related complications in patients with blood cancer who are undergoing donor stem cell transplant. Vaccines made from a gene-modified virus may help the body build an effective immune response to kill cancer cells.