155 Clinical Trials for Various Conditions
To evaluate the safety and feasibility of collecting hematopoietic stem cells (HSC) in participants with RUNX1-FPD.
RUNX1 Familial Platelet Disorder
To learn about the safety and effects of low-dose sirolimus in participants with RUNX1-FPD.
Familial Platelet Disorder, Hematopoietic
This is an open-label, multicenter study to evaluate the safety, tolerability, and efficacy of HMPL-523 in adult subjects with ITP.
Immune Thrombocytopenia, Blood Platelet Disorder, Hematologic Diseases, Purpura, Thrombocytopenic, Purpura, Blood Coagulation Disorder, Thrombotic Microangiopathies, Hemorrhagic Disorders, Autoimmune Diseases, Immune System Diseases, Hemorrhage, Pathologic Processes, Skin Manifestations, Thrombocytopenia, Purpura, Thrombocytopenic, Idiopathic, Primary Immune Thrombocytopenia, ITP - Immune Thrombocytopenia
Background: Runt-related transcription factor 1 (RUNX1) gene regulates the formation of blood cells. People with mutations of this gene may bleed or bruise easily; they are also at higher risk of getting cancers of the blood, bone marrow, and lymph nodes. Objective: To test a drug (imatinib) in people with RUNX1 mutations that cause symptoms. Eligibility: Adults aged 18 and older with RUNX1 mutations. Healthy people without this mutation, including family members of affected participants, are also needed. Design: Participants with the RUNX1 mutation will be screened. They will have a physical exam with blood and urine tests. They will have a test of their heart function. They may need a new bone marrow biopsy: A sample of soft tissue will be removed from inside a bone. Imatinib is a tablet taken by mouth once a day, every day, at home. Affected participants in different parts of the study will take imatinib for either 28 days or up to 84 days. Participants will visit the clinic once a week for the first 28 days that they are taking the imatinib. Then they will come once every 2 weeks if they are taking the drug for 84 days. Blood, urine, and tests of heart function will be repeated. They may opt to have the bone marrow biopsy repeated after they finish their course of imatinib. Participants will have a follow-up visit 30 days after they stop taking imatinib. Participants who do not have the RUNX1 mutation will have 1 clinic visit. They will have blood tests. They will fill out questionnaires. They may opt to have a bone marrow biopsy....
Inherited Bone Marrow Failure Syndrome, Familial Platelet Disorder With Predisposition to Myeloid Malignancies
In parallel with the growth of American Thrombosis and Hemostasis Network's (ATHN) clinical studies, the number of new therapies for all congenital and acquired hematologic conditions, not just those for bleeding and clotting disorders, is increasing significantly. Some of the recently FDA-approved therapies for congenital and acquired hematologic conditions have yet to demonstrate long-term safety and effectiveness beyond the pivotal trials that led to their approval. In addition, results from well-controlled, pivotal studies often cannot be replicated once a therapy has been approved for general use.(1,2,3,4) In 2019 alone, the United States Food and Drug Administration (FDA) has issued approvals for twenty-four new therapies for congenital and acquired hematologic conditions.(5) In addition, almost 10,000 new studies for hematologic diseases are currently registered on www.clinicaltrials.gov.(6) With this increase in potential new therapies on the horizon, it is imperative that clinicians and clinical researchers in the field of non-neoplastic hematology have a uniform, secure, unbiased, and enduring method to collect long-term safety and efficacy data. ATHN Transcends is a cohort study to determine the safety, effectiveness, and practice of therapies used in the treatment of participants with congenital or acquired non-neoplastic blood disorders and connective tissue disorders with bleeding tendency. The study consists of 7 cohorts with additional study "arms" and "modules" branching off from the cohorts. The overarching objective of this longitudinal, observational study is to characterize the safety, effectiveness and practice of treatments for all people with congenital and acquired hematologic disorders in the US. As emphasized in a recently published review, accurate, uniform and quality national data collection is critical in clinical research, particularly for longitudinal cohort studies covering a lifetime of biologic risk.(7)
Hematologic Disorder, Bleeding Disorder, Connective Tissue Disorder, Hemophilia, Thrombosis, Von Willebrand Diseases, Thrombophilia, Rare Bleeding Disorder, Platelet Disorder, Factor IX Deficiency, Factor VIII Deficiency, Thalassemia, Sickle Cell Disease
Study rationale is based on the data that in previous clinical studies of eltrombopag in ITP there are some patients who have been reported as non responders at the maximal approved dose of 75 mg daily. The trend in both normal volunteers and in patients with ITP suggest and increasing response rate with increased doses of eltrombopag up to a dose of 75mg. Previously published data has shown no overt increase in toxicity in normal volunteers, oncology patients and aplastic anemia patients treated with escalated doses as high or higher than those proposed in this study. It therefore seems possible that in ITP patients who did not respond to a dose of 75mg daily, eltrombopag could be more effective at a higher dose. We propose a double blind randomized controlled trial in ITP patients who have been defined as non-responders at the maximum dose (75mg) of eltrombopag, assessing efficacy and toxicity at higher daily doses (100mg, 125 mg, 150 mg)
Immune Thrombocytopenia, Platelet Disorder
The kidneys are highly vascular organs and any trauma or surgery poses risk of severe bleeding. Platelet function is an integral part of the blood clotting during the initial, so-called vascular phase. So far no universally accepted, easy test has been available to measure platelet functions. Renal failure is a condition generally associated with bleeding due to platelet dysfunctions. This study is exploring the utility of a novel platelet function test, called Platelet Function Analyser-100 to predict bleed after percutaneous kidney biopsy. Platelet Function Analyser-100 will be measure before kidney biopsy along with routine blood tests. Subjects will undergo renal ultrasound before and after renal biopsy to verify post-biopsy bleeding events.
Kidney Failure, Acute, Kidney Failure, Chronic, Blood Platelet Disorders, Hemorrhage
The purpose of this study is to test the safety and effectiveness of Humate-P® to prevent bleeding in patients with von Willebrand Disease who are undergoing surgery.
Von Willebrand Disease, Blood Coagulation Disorders, Blood Platelet Disorders, Hematologic Disease
PICOLO is a double blind placebo controlled phase II dose ranging, dose escalating study in patients of Blalock-Taussig age categories (neonates and infants/toddlers), to determine the dose providing inhibition of platelet aggregation similar to adults.
Congenital Heart Defects, Blood Platelet Disorders
The purpose of the study is to determine whether oral contraceptives, desmopressin acetate, and/or tranexamic acid are effective in the treatment of women with menorrhagia who are diagnosed with a bleeding disorder.
Menorrhagia, Blood Coagulation Disorders, Blood Platelet Disorders, Von Willebrand Disease, Hematologic Disease
The purpose of this study is to explore the safety, preliminary clinical benefit, and activity of BIVV009 in patients with chronic immune thrombocytopenia.
Purpura, Thrombocytopenic, Idiopathic
This study (study ID PAC203 North America; PAC303 ex-North America) is evaluating 200 mg BID of pacritinib compared to physician's choice (P/C) therapy in patients with MF and severe thrombocytopenia (platelet count \<50,000/μL). Approximately 399 patients in total will be enrolled, randomized 2:1 to either pacritinib (approximately 266 patients) or to P/C therapy (approximately 133 patients) Condition or disease: Primary Myelofibrosis/Post-Polycythemia Vera Myelofibrosis/ Post-essential Thrombocythemia Myelofibrosis Intervention/treatment: Drug-Pacritinib
Primary Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
This open-label study is to determine the safety and efficacy of momelotinib in participants with either polycythemia vera (PV) or essential thrombocythemia (ET) who have not yet received treatment with a Janus kinase (JAK) inhibitor.
Polycythemia Vera, Essential Thrombocythemia
The purpose of this study is to understand physician treatment decisions in selecting specific second line treatments in pediatric ITP and to determine the effectiveness of different second line ITP treatments. Eligible patients are those ages 1-18 years who are starting on a new second line treatment for ITP, defined as any treatment other than IVIG, steroids, anti-D globulin, or aminocaproic acid. Enrolled patients remain on the study for approximately one year.
Immune Thrombocytopenia
The purpose of this study is to investigate the efficacy, safety and tolerability of eltrombopag in children with previously treated chronic immune thrombocytopenia who are between 1 and 17 years of age. This is a 2 part study. In part 1, patients will be randomized to receive either eltrombopag or placebo for 13 weeks. All patients who complete part 1 will enter part 2. In part 2, all patients will receive 24 weeks of eltrombopag.
Idiopathic Thrombocytopenic Purpura
The primary objective of this study was to assess the long-term safety of lusutrombopag in the treatment of adults with relapsed persistent or chronic ITP with or without prior splenectomy.
Immune Thrombocytopenia
The primary objective of this study was to assess the efficacy of 3 dose levels of lusutrombopag (0.5 mg, 0.75 mg, and 1.0 mg) and placebo on platelet count.
Immune Thrombocytopenia (ITP)
The high percentage of failure using available non-surgical options to treat menorrhagia in women with bleeding disorders shows a continuing need for innovative treatments. This has led to development of this protocol in order to make available tranexamic acid as a potentially effective menorrhagia therapy option in women with an underlying bleeding disorder. We anticipate that Tranexamic Acid may be a beneficial choice for controlling menorrhagia in bleeding disorder patients.
vonWillebrand Disease, Hemophilia, Platelet Coagulation Disorders
Platelets are parts of your blood that stick together to help form a clot. The stickier your platelets are, the greater your chance of having a heart attack. A clot in the wrong place can lead to a heart attack or stroke. Ticagrelor (Brilinta) keeps platelets from sticking together and it helps people from having a heart attack. The American College of Cardiology has recommended a combination of aspirin and Brilinta as one of the best treatments for the prevention of heart attacks, and death in patients who have had a heart attack or coronary stents. However, it is unknown if Brilinta may improve its work to keep platelets from sticking together giving a loading dose in patients already treated with Brilinta. A loading dose is a one-time increased dose of the same drug. The purpose of this study is to demonstrate whether the platelets of patients treated with Brilinta become less sticky when Brilinta is re-loaded.
Coronary Artery Disease
This study evaluates how aspirin, clopidogrel and ticagrelor work in people with chronic kidney disease (CKD) compared to people with normal kidneys. In the first part of the study, half of CKD participants will be randomly assigned to ticagrelor and aspirin, while the other half will be assigned to clopidogrel and aspirin in a blinded fashion. The treatment duration will be two weeks. After recruiting CKD participants the investigator will recruit controls with normal kidney function that will receive only ticagrelor and aspirin for two weeks.
Chronic Kidney Diseases, Heart Attack, Stroke, Ischemic
The purpose of this investigator initiated study is to clinically evaluate the efficacy of a new treatment for subacromial impingement syndrome and partial thickness rotator cuff tears. This treatment consists of a platelet rich plasma injection into and around the rotator cuff. It is thought that this treatment will dramatically improve outcomes for patients suffering from these two conditions. Subjects will be randomized by choosing a slip of paper from an envelope. This process will randomize 25 patients to the experimental group, and 25 patients to the control. The experimental group will undergo a blood draw, allowing for an injection of platelet rich plasma around the rotator cuff. The control group will undergo a corticosteroid injection into the subacromial space surrounding the rotator cuff as sole treatment. Patients will be followed for three months for pain, and will fill out questionnaires at six weeks and three months post injection, which will give insight into functionality and pain changes that the rotator cuff is experiencing due to treatment. Subjects will be outpatients. Subjects may include employees, students, minorities, and elderly, although no subsets of these will be formed. Subjects will be between 18 and 89 years of age. In total, subject participation will last approximately 3 months.
Subacromial Impingement Syndrome, Partial Thickness Rotator Cuff Tear
We are studying if sickle cell disease blood platelets are larger than normal and how they may cause obstruction of blood vessels. We are also trying to study the reasons why large platelets are found in patients with sickle cell disease.
Sickle Cell Disease
The purpose of the SENTRY (Stability Enhanced Transcriptional Analytics) Study is to test whether combining a unique analytical approach with changes in platelet RNA expression accurately diagnoses ovarian cancer. Using retrospective data, the investigators have developed an approach that appears to accurately classify ovarian cancer with relatively high sensitivity and specificity. The SENTRY Study will build upon these retrospective analyses to prospectively recruit women with ovarian cancer or an ovarian mass (and healthy control women), obtain platelet RNA samples from whole blood, and perform validation analyses to test our hypothesis.
Ovarian Cancer
This is a 6 week crossover study in current and former smokers with and without COPD to evaluate whether 2 weeks of dual antiplatelet therapy (aspirin 81mg and clopidogrel 75mg) improves pulmonary perfusion (i.e. blood flow in the lungs measured on a contrast CT scan) compared to placebo.
COPD, Emphysema, Emphysema or COPD
Higher coronary in-stent thromboses and bleeding complications on anti-platelet agents are more common in Chronic Kidney Disease vs. non-Chronic Kidney Disease patients. Poor inhibition of platelet aggregation by anti-platelet agents predicts future cardiovascular events. Clinical practice guidelines are ambiguous about the use of these agents in Chronic Kidney Disease due to lack of controlled studies. The investigators hypothesize that patients with Chronic Kidney Disease compared with non-Chronic Kidney Disease have reduced platelet aggregation and poor platelet inhibitory response to aspirin. The aims are to 1) define the range of whole blood platelet aggregation in stages 3-5 Chronic Kidney Disease patients; 2) investigate whether patients with stages 4-5 Chronic Kidney Disease vs. non-Chronic Kidney Disease have lower platelet aggregation or impaired von Willebrand Factor activity; and 3) compare inhibition of platelet aggregation from baseline after 2 weeks of aspirin therapy and another 2 weeks of clopidogrel therapy added to aspirin in Chronic Kidney Disease vs. non-Chronic Kidney Disease patients. Accomplishing these aims will provide pilot data to power future studies of targeted anti-platelet agent treatments in Chronic Kidney Disease in order to improve cardiovascular outcomes.
Chronic Kidney Disease
Anagrelide is a drug that has been shown to slow down how fast platelets are made in the bone marrow, and has been approved by the FDA for treating high platelets counts in patients with bone marrow disorders. Anagrelide Controlled Release ("CR") is a new preparation of anagrelide that is made to dissolve more slowly than currently marketed versions of this drug. Because of this, the anagrelide is taken up into the blood more slowly. Researchers think that this slower release of the drug could help to lower side effects that might be caused by high blood levels when the drug dissolves as quickly as it does with the currently marketed product. The main purposes of this study are to see how well Anagrelide CR can control platelet counts in patients with high platelet levels, to see what kind of side effects it causes, and to measure blood levels of the drug.
Thrombocytosis, Myeloproliferative Neoplasms
Omacor®/Lovaza® is an effective, and very safe mix of PO-3A, and the drug is currently approved by the Federal authorities for the drug management of post-infarction patients with high blood triglycerides. Given the growing length of CAD progression, it is pertinent that many more patients will yield extra benefit from Lovaza® on top of aggressive antiplatelet regimens and statin due to severity of their vascular disease. Therefore, mild antiplatelet properties of PO-3A will be a highly desirable and attractive commodity of this medication. The investigators believe that Omacor®/Lovaza® is ideally positioned for the chronic management of CAD as a safe, efficient, and "gentle" agent with no harmful interactions with statins or aspirin. The investigators hypothesize that addition of Omacor may add mild antiplatelet protection for CAD patients. The study objectives are: * To assess the ex vivo effects of Omacor® on platelet function in patients with coronary artery disease (CAD). * To compare ex vivo platelet-related effects after 7 and 14 days of therapy with Omacor and statin combination versus statin alone in patients with chronic stable coronary heart disease. * To establish the relation of changes in platelet activity (if any) with the lipid profile to prove an additional benefit of Omacor® on top of statin and aspirin.
Coronary Artery Disease
This study is being conducted to evaluate the safety and the length of effect on platelet build-up in the arteries of Durlaza™ as compared to immediate-release Bayer® aspirin 81 mg or subject's current aspirin 81 mg of choice in patients who have Type 2 diabetes mellitus and cardiovascular disease or multiple risk factors of developing cardiovascular disease.
Cardiovascular Disease
The purpose of this study is to assess the ability of eltrombopag to elevate platelet counts thereby reducing the need for platelet transfusions in chronic liver disease patients with thrombocytopenia undergoing elective invasive procedures. The clinical benefit of eltrombopag will be measured by the proportion of subjects who avoid platelet transfusions, before, during and up to 7 days after undergoing an invasive procedure. In addition, bleeding events will be monitored during this time. The number of transfusions, safety events and medical resource utilisation will be monitored during this time and for up to 30 days after undergoing an invasive procedure to help further evaluate clinical benefit.
Non-alcoholic Steatohepatitis, Chronic Liver Disease, HCV, NASH - Nonalcoholic Steatohepatitis, HIV Infection, Thrombocytopenia, Hepatitis C Virus, HBV, Human Immunodeficiency Virus, Liver Diseases, Hepatitis B Virus
This study looks at how lipoproteins, which are particles in the blood that transport cholesterol, influence heart and blood vessel health. Beyond just their levels, the way these particles function plays a key role in preventing or contributing to disease. In some conditions, like high cholesterol or diabetes, lipoproteins may not work properly, increasing the risk of clogged arteries and other complications. The investigators aim to study these changes in people with lipid disorders to better understand their impact on blood health and to find new ways to prevent and treat heart disease.
Lipid Disorders