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Active clinical trials for "Thrombocytosis"

Results 161-170 of 187

Correlative Biomarker Study in Patients With Myeloproliferative Disorders

Myeloproliferative DiseaseMyelofibrosis3 more

Researchers will use abnormal blood and/or bone marrow cells, or materials derived from these abnormal cells, like DNA, RNA, protein or plasma, in laboratory studies. Toenail clippings will provide normal material like DNA for comparison with the abnormal material derived from the blood and/or bone marrow. The results of these studies will be correlated with subjects' disease symptoms and response to their experimental treatment. The MPD-RC researchers are interested in studying molecules from the blood and bone marrow, the exact molecules changing over time with the investigators choosing only the most promising for investigation. The investigators are attempting to better understand the causes of MPD and to develop improved methods for the diagnosis and treatment of these diseases. These syndromes carry a high risk of developing leukemia. It is important to continue to learn more about these blood cancers and to learn more about the effectiveness and potential side effects of various treatments. It is believed that further basic knowledge about these cancer cells as well as the effects of treatment will lead to the improvement of current therapies and the development of entirely new treatments for these diseases. The MPD-RC is hoping to determine if a number of laboratory tests (biomarkers) will allow for the prediction of response in future patients to the treatment they would receive.

Completed4 enrollment criteria

Pediatric Disease Registry in Essential Thrombocythaemia (ET)

Essential Thrombocythemia (ET)

The aim of this study is to evaluate the progression of ET in children (aged 6-17years inclusive) over a period of 5 years maximum. The study will also assess how children are diagnosed, treatment options for those children with symptoms and events related to their ET and the outcomes of those treatments.

Completed2 enrollment criteria

Myelofibrosis and Essential Thrombocythemia Observational Study (MOST)

MPN (Myeloproliferative Neoplasms)

The purpose of this prospective, longitudinal, noninterventional study is to describe clinical characteristics, evolution of disease burden, and treatment patterns in patients with select subcategories of essential thrombocythemia (ET) or myelofibrosis (MF).

Completed9 enrollment criteria

Drug Observance and Side Effects of Cytoreductive Drugs in PV and ET Patients

Polycythemia VeraEssential Thrombocythemia

Patients treated with oral or sub-cutaneous drugs for polycythemia vera or essential thrombocythemia completed an unique paper questionnaire in order to describe their observance, the side effects and their own appreciation of the taken drug.

Completed5 enrollment criteria

Research Tissue Bank

MyelofibrosisIdiopathic Myelofibrosis2 more

This study that will allow for the preservation and/or storage of a small portion one or more of the following tissues: Peripheral blood Bone marrow Bone marrow biopsy A phlebotomized unit of blood Spleen cells Toenail clippings This material will be used for the study of Myeloproliferative Disorders (MPD) by researchers. The goals of this research study are to understand the causes of MPDs, how to diagnose them more easily and how to treat them better. MPD is a disease affecting hematopoietic stem cells. Hematopoietic stem cells are cells that make blood cells. These stem cells grow in the center portion of the bones called bone marrow. Under some conditions, these cells are also found in blood. There are several diseases, which are classified as MPD. These include polycythemia vera (too many red blood cells), essential thrombocythemia (too many platelets), and idiopathic myelofibrosis (abnormal blood cells and fibers build up in the bone marrow). These syndromes carry a high risk of developing leukemia. It is important to continue to learn more about these blood cancers and to learn more about the effectiveness and potential side effects of various treatments.

Completed4 enrollment criteria

Tissue Banking Study - Polycythemia Vera or Essential Thrombocythemia (PV & ET) Patients

Polycythemia VeraEssential Thrombocythemia

The purpose of the study is to isolate and characterize stem cells of patients with Polycythemia Vera (PV) and Essential Thrombocythemia (ET) to find out why these cells are not working the way they should be and why they seem to be sensitive to regulatory factors in the blood, such as clotting.

Completed3 enrollment criteria

18F-FLT (PET/CT) in Prefibrotic/Early Primary Myelofibrosis and Essential Thrombocythemia

Essential ThrombocythemiaPrimary Myelofibrosis3 more

The main purpose of this project is to study the uptake pattern of FLT-PET in cases, and it is value in assessing the malignant hematopoiesis in cases of Pre-PMF and ET, regarding diagnosis, staging and monitoring response to therapy. Identifying different patterns of uptake in patients with Pre-PMF and ET in various clinical settings. Evaluating FLT-PET as a novel non-invasive technique in cases with Pre-PMF and ET, in comparison to the standard bone marrow biopsy about disease diagnosis, assessment of disease activity, detection of transformation, monitoring of treatment response and grading of fibrosis.Study the ability of FLT-PET to differentiate between Pre-PMF and ET. the investigators also aim to examine the association of FLT-PET uptake patterns with different genetic makeup (JAK2 (Janus kinase 2), CALR (Calreticulin), MPL (myeloproliferative leukemia protein), or Triple negative disease) or allele burden in cases of Pre-PMF and ET.

Unknown status20 enrollment criteria

A Prospective, Two-arm, Non-interventional Study of JAKAVI® (Ruxolitinib) in Patients With Myelofibrosis...

Primary MyelofibrosisPost-polycythemia Vera Myelofibrosis1 more

This was a prospective, two-arm, non-interventional study of JAKAVI® (Ruxolitinib) in patients with myelofibrosis

Completed3 enrollment criteria

The Role of Reactive Thrombocytosis in Children With Pneumococcal Infection

ThrombocytosisS. Pneumoniae Infection

Thrombocytosis, mostly reactive in nature, is common in pediatric hospitalized patients with infections. Streptococcus pneumoniae (S. Pneumoniae) is the most common pathogen. In this study, the investigators investigated the associations of clinical profiles and thrombocytosis and evaluated platelet counts, leukocyte counts and CRP levels as predictors of hospitalization days in patients with S. pneumoniae infection.

Completed2 enrollment criteria

Infection Prophylaxis and Management in Treating Cytomegalovirus (CMV) Infection in Patients With...

Hematopoietic/Lymphoid CancerAccelerated Phase Chronic Myelogenous Leukemia155 more

RATIONALE: Infection prophylaxis and management may help prevent cytomegalovirus (CMV) infection caused by a stem cell transplant. PURPOSE:This clinical trial studies infection prophylaxis and management in treating cytomegalovirus infection in patients with hematologic malignancies previously treated with donor stem cell transplant.

Completed11 enrollment criteria
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