View clinical trials related to Thrombocytopenia.
Filter by:Funding Source--FDA OOPD. Orphan Product Grant Number--1R01FD004091-01A1 Context: Wiskott-Aldrich syndrome (WAS) is a fatal, devastating disease with ill-defined treatment modalities, which affects young boys. Classic WAS is characterized by a clinical triad of thrombocytopenia, eczema and severe, recurrent infections. Despite diagnostic and therapeutic advances most WAS patients die at less than 12 years of age due to infections, hemorrhage, malignancy or complications from treatments. WAS patients suffer from herpesvirus infections as a result of poor Natural Killer (NK) cell function (cytotoxicity). In the laboratory, the investigators have seen correction of WAS Natural Killer Cell (NK) function after treatment with Interleukin-2 (IL-2). Objectives: Initiate a prospective clinical trial by treating WAS subjects with IL-2 and using safety as the primary endpoint. Restoration of NK cell cytotoxicity and effects on cytoskeletal dynamics are secondary endpoints. The investigators will also observe patient clinical status (eczema, infections, use of treatment dose antibiotics, food allergies, etc). Study Design/Setting/Participants: This is a prospective clinical trial treating 9 WAS subjects in the Clinical Translational Research Center (CTRC) with IL-2. Intervention: The investigators propose to subcutaneously administer 0.5 Million Units (MU)/m2 of IL-2 daily to WAS subjects for 5 days. Research treatment will be repeated 2 and 4 months later. Inter-patient dose escalation will be employed to 1 MU/m2 and/or 2 MU/m2 based on safety as the primary endpoint. Study Measures: The investigators will observe safety and tolerability measures and perform assays on subject blood samples prior to and after research treatment to observe improvement in NK cell function.
This research study will investigate the safety and effectiveness of two different dose levels of a new, unapproved drug to be given along with the chemotherapy regimens gemcitabine and carboplatin or gemcitabine and cisplatin prescribed to women for the treatment of ovarian cancer. This experimental drug is called TXA127 and is being tested for effectiveness to see if it will help reduce some of the side effects of the chemotherapy, primarily low blood platelet levels that lead to excess bleeding. This study also intends to test the safety of TXA127 when given as an injection under the skin on a daily basis concurrently with up to 6 cycles of the prescribed chemotherapy.
Thrombocytopenia (low platelet count) is common in the neonatal intensive care unit. Commonly, the decision of when to transfuse platelets is based on platelet number. Recently, Christensen et al (2006) proposed using transfusion guidelines based on platelet mass rather than platelet number. By using platelet size as a guide of when to give platelets, we may be able to decrease the amount platelet transfusions needed. This study is investigating using platelet size rather than platelet number as a guideline for transfusing platelets in infants who are hospitalized in a NICU (neonatal intensive care unit). After obtaining parental informed consent, thrombocytopenic infants will be randomized to one of two groups. 1: Transfusion based on platelet number; 2: transfusion based on a combination of platelet number and platelet mass. In each group the decision to transfuse platelets will be made using a slightly different, yet strict set of transfusion rules. The objective is to determine the feasibility, rate of bleeding complications and compliance of transfusing neonates based on platelet mass rather than platelet number. The investigators hypothesize that transfusing platelets based on platelet mass will not increase bleeding complications and will reduce the number of transfusions in thrombocytopenic neonates.
Platelet transfusions are routinely administered during neonatal ECMO, with an average of 1.3 platelet transfusions per day being administered while a patient is undergoing ECMO treatment. The cause of thrombocytopenia during ECMO largely involves platelet adherence to the oxygenator membrane. Platelet transfusions carry risks such as infections with bacteria or yeast, and development or worsening of pulmonary hypertension. It is likely that if fewer platelet transfusions can be administered during the ECMO run, the cumulative adverse effects of platelet transfusions would diminish and patient outcomes improve. In order to better understand platelet function during ECMO, the investigators plan to serially determine the circulating platelet mass, plasma platelet factor 4 concentration, megakaryocyte mass (estimated by plasma thrombopoietin concentration), and platelet function as quantified by PFA100. Any patient on ECMO will be eligible for this pilot study of 5 patients. By understanding changes in platelet function, we hope to design a future study that may modify the frequency or need for platelet transfusions during ECMO.
Although Heparin-induced thrombocytopenia (HIT) is a rare complication of heparin treatment, it results in a high rate of morbidity and mortality, the cumulative rate of thrombosis recurrence, amputation and death approaching 52 % at one month if no specific treatment is initiated. It is therefore vital to diagnose HIT as early and as reliably as possible to permit appropriate management of this rare condition. During the acute phase of HIT, clinicians and biologists can only suspect this complication with a greater or lesser degree of confidence. Clinical data are not sufficiently sensitive or specific to confirm or refute thr diagnosis of HIT.
This phase I trial studies the side effects and best dose of lenalidomide when given together with alvocidib in treating patients with relapsed or refractory B-cell chronic lymphocytic leukemia or small lymphocytic lymphoma. Lenalidomide may stop the growth of leukemia or lymphoma by blocking blood flow to the cancer. Alvocidib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving lenalidomide together with alvocidib may kill more cancer cells.
This is a clinical trial of bone marrow transplantation for patients with the diagnosis of a genetic disease of blood cells that do not have an HLA-matched sibling donor. Genetic diseases of blood cell include: Red blood cell defects e.g. hemoglobinopathies (sickle cell disease and thalassemia), Blackfan-Diamond anemia and congenital or chronic hemolytic anemias; White blood cells defects/immune deficiencies e.g. chronic granulomatous disease, Wiskott-Aldrich syndrome,Osteopetrosis, Kostmann's syndrome (congenital neutropenia), Hereditary Lymphohistiocytosis (HLH); Platelets defects e.g.Congenital amegakaryocytic thrombocytopenia; Metabolic/storage disorders e.g. leukodystrophies,mucopolysaccharidoses as Hurler disease;Stem cell defects e.g.reticular agenesis, among many other rare similar conditions. The study treatment plan uses a new transplant treatment regimen that aims to try to decrease the acute toxicities and complications associated with the standard treatment plans and to improve outcome The blood stem cells will be derived from either unrelated donor or unrelated umbilical cord blood.
The Data Monitoring Committee (DMC) for study 20060198 recommended that all subjects discontinue treatment of study drug and continue to be followed for long term follow-up. Amgen adopted the DMC recommendation.
RATIONALE: Gathering information about patients with cancer and cancer-related conditions may help doctors learn more about a patient's needs and help doctors plan the best treatment. PURPOSE: This clinical trial is studying how well a whole-person-care guide works in identifying patient needs in patients with cancer or complications from cancer treatment.
This is an 18-week open-label, multicenter study to evaluate the efficacy and tolerability of CEP-701 (lestaurtinib) treatment in patients with Polycythemia Vera (PV) and patients with Essential Thrombocytosis (ET).