View clinical trials related to Leukemia.
Filter by:Acute myeloid leukemia(AML) patients with favorable and intermediate cytogenetics at diagnosis are generally excluded from first-line allo-SCT. However, these patients may eventually relapse in some cases. Our previous study found that stratification of treatment based on cytogenetics and therapeutic response could benefit low and intermediate AML. To further verify the results, we conducted a prospective multi-center study. The purpose of this study is to establish risk stratification based on cytogenetics and minimal-residual-disease (MRD) analysis to determine whether a MRD-directed therapy for low and intermediate AML patients has positive results in terms of overall survival.
This phase II trial studies how well ibrutinib works in treating patients after a donor stem cell transplant for lymphoma that is not responding to treatment or has come back. Ibrutinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.
This is a prospective, multicenter, randomized, placebo-controlled, double-blind phase III study that compares the efficacy and safety of oral ibrutinib in previously untreated Binet stage A CLL patients without treatment indication according to iwCLL guidelines but risk of early disease progression. For event-free survival (EFS), an improvement from 24 months for untreated intermediate or (very) high risk CLL to 48 months for subjects treated with ibrutinib is considered clinically relevant. Ibrutinib / placebo is administered continuously orally until symptomatic disease progression, unacceptable toxicity, or voluntary treatment withdrawal, whichever occurs first.
Acute lymphoblastic leukemia is the most common malignancy of the child. Current therapeutic strategies allow healing of over 80% of children. However these treatments are associated with toxicity, with a mortality of 1-2%. The most frequent complications, occuring during treatment initiation, are the thromboembolic complications. The most commonly accepted explanation is that of an anti-thrombin depletion by chemotherapy used in the treatment, L-asparaginase. But the anti-thrombin supplementation showed no efficacy in the prevention of these thromboembolic complications. Therefore most authors consider that a multifactorial mechanism is behind these events, involving both treatment and malignant cells. The interaction of these two factors participate in the damage of the vascular endothelium. The microparticles are membrane fragments derived from budding from the membrane of activated cells or apoptosis. Their thrombogenic role is linked to the expression of coagulation activators such as tissue factor. It is also associated with their role in the modulation of signaling pathways involved in the invasiveness and angiogenesis in endothelial cells. In acute lymphoblastic leukemia, the presence and role of microparticles have not been studied. Our hypothesis is that of production of microparticles upon lysis of blasts then upon activation of endothelial cells induced by the induction therapy, participating in a procoagulant phenotype.
Acute erythroid leukemia (AEL) is a morphologically distinct, infrequent (o5%) acute myeloid leukemia (AML) designed as M6 in the French- American-British (FAB) classification. The World Health Organization classification recognizes two subclasses, M6a, a leukemia with myeloid blast cells, and M6b, a very rare, purely erythroid AML. It may be difficult to distinguish between a myelodysplastic syndrome and AEL because of the erythroblastic proliferation, which is increased when dysplasia is present. No recurrent cytogenetic abnormality is specific of AEL and the prognosis is poor with a median survival of 17 months. A study of 14 genes in a series of 92 cases has shown that mutations are frequent in AEL and somewhat differ from the other AMLs by the lower and higher proportion of FLT3-ITD and TP53 mutations, respectively. Only three cases of AEL are reported in the TCGA database. To further characterize AEL, determine whether it constitutes a distinct class of AML and document the reasons for its poor prognosis, the investigators will search for molecular alterations in 40 M6a-AMLs using array comparative genomic hybridization (aCGH) and next-generation sequencing (NGS) of 106 genes known or suspected to have a role in myeloid malignancies or in erythrocyte differentiation.
The pseudo tyrosine kinase receptor 7 (PTK7) is an orphan tyrosine kinase receptor assigned to the planar cell polarity pathway. PTK7 is expressed in normal myeloid progenitors and CD34(+) CD38(-) bone marrow cells in humans. It is also expressed in acute myeloid leukemia (AML) and is mostly assigned to granulocytic lineage differentiation. In AML, PTK7 seems to convey promigratory and antiapoptotic signals into the cell and represents an independent prognosis factor of survival in patients treated with induction chemotherapy. This study aims at: - evaluating the impact of PTK7 expression on primary AML cells ex vivo - evaluating the diagnostic and prognostic value of a soluble form of PTK7
The purpose of the study is to investigate the safety of the investigational drug called cirmtuzumab when given for a duration of 6 to 12 months. Cirmtuzumab is a type of drug called a monoclonal antibody. This drug is designed to attach to a protein called ROR1 that is on the surface of chronic lymphocytic leukemia (CLL) cells. This blocks growth and survival of the CLL cells. ROR1 is rarely expressed on healthy cells so this drug should target the cancer cells. Cirmtuzumab is considered experimental because its use is not approved by United States (US) Food and Drug Administration (FDA). Although there is evidence from tests on laboratory animals that cirmtuzumab can decrease the number of CLL cells, the investigators do not know if this will work in humans. Therefore, the goal of this study is to see if cirmtuzumab is safe and tolerable in study participants when given for a duration of 6 to 12 months.
Survivors of acute lymphoblastic leukemia (ALL) are at risk for neurocognitive deficits, reduced educational and psychosocial outcomes, and lower quality of life. Neurocognitive assessment is frequently implemented during therapy and continued into survivorship to monitor functioning and to facilitate intervention. Children with Down Syndrome (DS) are at 10 to 20-fold increased risk for leukemia. Survival rates for leukemia patients with DS are comparable to or lower than patients without DS, however, these patients are at greater risk for treatment-related toxicities. Children with preexisting neurodevelopmental conditions, including DS, are systematically excluded from neurocognitive assessment on clinical trials, contributing to a gap in the investigators understanding of outcomes in these patients with preexisting neurocognitive vulnerability. The investigators propose a novel preliminary investigation of functional outcomes in children with DS and childhood leukemia. This study has implications for future treatment of leukemia patients with DS, and may generalize to leukemia patients with other predispositions or preexisting neurodevelopmental conditions (e.g., genetic disorders, acquired brain injury, autism, and epilepsy). Primary Objective: - To describe neurocognitive and psychosocial outcomes in survivors of childhood leukemia with Down Syndrome using a novel assessment approach.
Plasma cell leukaemia is a rare variety of multiple myeloma with a poor prognosis. Plasma cell leukaemia is defined as: at least 2,000 circulating plasma cells per µL for a blood leukocyte count higher than 10,000/µL or 20% of plasma cells for a leukocyte count less than 10,000/µL. Plasma cell leukaemia can be either primary, when it constitutes the first manifestation of the disease, or secondary in the setting of relapsed/refractory multiple myeloma. Primary plasma cell leukaemia (PPL) is a rare disease, representing only 1 to 2% of all cases of multiple myelomas at diagnosis. As the annual incidence of multiple myeloma in France is about 4,000 new cases, an estimated 40 to 80 new cases of PPL would be observed each year. Few data are currently available in the literature concerning the pathophysiology and therapeutic management of PPL, and are derived from retrospective series based small numbers of patients. The prognosis of PPL in response to conventional chemotherapy remains poor with a median survival of 7 to 14 months. However, longer survivals have been obtained with intensive therapy and haematopoietic stem cell transplantation (allogeneic or autologous HSCT). The investigators propose to perform a prospective study of the management of patients with PPL under the age of 70 years, in combination with a laboratory study: 12 weeks of induction chemotherapy by liposomal Bortezomib-Dexamethasone-Doxorubicin (PAD) alternating with Bortezomib-Dexamethasone-Cyclophosphamide (VCD) for a total of 4 cycles. Peripheral blood stem cell collection after mobilization by G-CSF will be performed after high-dose Cyclophosphamide chemotherapy. Autologous HSCT conditioned by high-dose Melphalan will be performed during the following month for all responding patients. During the 3 months after this first autologous HSCT, allogeneic HSCT with attenuated conditioning will be proposed in patients under the age of 66 years in complete remission with a suitable donor, and another systematic autologous HSCT will be proposed in all other patients. For all patients not treated by allogeneic HSCT, consolidation/maintenance therapy will be performed 3 months after the second autologous HSCT: 4 quarterly consolidations with Bortezomib-Lenalidomide-Dexamethasone (VRD) with maintenance by 2 months of Lenalidomide between these cycles, for a total duration of one year. The laboratory assessment will consist of blood and bone marrow samples systematically obtained at diagnosis for plasma cell phenotyping by cytometry, cytogenetics, FISH, study of the gene expression profile and SNParray. A DNA bank and plasma bank will be constituted. The investigators also propose to study residual disease by cytometry (after the first autologous HSCT, before and at the end of the consolidation/maintenance phase), as it increasingly appears to have a major impact on survival in multiple myeloma.
This research trial studies the shotgun sequencing of blood samples in diagnosing febrile neutropenia in patients with acute myeloid leukemia. Studying samples of blood from patients with acute myeloid leukemia in the laboratory may help identify pathogens and accurately diagnose infections such as febrile neutropenia.