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Thrombosis clinical trials

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NCT ID: NCT03773939 Recruiting - Critical Illness Clinical Trials

Risk Prediction of Venous Thromboembolism in Critically Ill

Start date: March 27, 2015
Study type: Observational

Introduction: Venous thromboembolism (VTE), including both deep vein thrombosis and pulmonary embolism, is a frequent cause of morbidity and mortality. The population of critically ill patients is a heterogeneous group of patients with an overall high average risk of developing VTE. No prognostic model has been developed for estimation of this risk specifically in critically ill patients. The aim is to construct and validate a risk assessment model for predicting the risk of in-hospital VTE in critically ill patients. Methods: In the first phase of the study we will create a prognostic model based on a derivation cohort of critically ill patients who were acutely admitted to the intensive care unit. A point-based clinical prediction model will be created using backward stepwise regression analysis from a selection of predefined candidate predictors. Model performance, discrimination and calibration will be evaluated, and the model will be internally validated by bootstrapping. In the second phase of the study, external validation will be performed in an independent cohort, and additionally model performance will be compared with performance of existing VTE risk prediction models derived from, and applied to, general medical patients. Dissemination: This protocol will be published online. The results will be reported according to the Transparent Reporting of multivariate prediction models for Individual Prognosis Or Diagnosis (TRIPOD) statement, and submitted to a peer-reviewed journal for publication.

NCT ID: NCT03769831 Not yet recruiting - Thrombosis Clinical Trials

The PK/PD Study of SHR2285 Tablets in Healthy Subjects

Start date: January 2019
Phase: Phase 1
Study type: Interventional

Thrombosis is a maladaptive process of vascular occlusion and remains a primary cause of cardiovascular morbidity and mortality, The dose-limiting issue with available anticoagulant therapies is bleeding. The primary objective of this study is to assess the safety and tolerability of SHR2285 tablets in healthy subjects. In addition, this study will provide information on Pharmacokinetics and Pharmacodynamics of SHR2285 tablets in healthy subjects.

NCT ID: NCT03766828 Completed - Clinical trials for Central Venous Catheter Thrombosis

Dialysis Catheter Placement in Patients With Thoracic Central Venous Occlusion

Start date: September 1, 2016
Study type: Observational

A unique inside-out-access technique with a new CE certified device (Surfacer (R) Bluegrass Vascular, San Antonio, Tx, USA) enables repetitive and confident right-sided placement of central venous catheters in hemodialysis patients with thoracic central venous occlusion.

NCT ID: NCT03764241 Not yet recruiting - Clinical trials for ST Segment Elevation Myocardial Infarction

Treatment of Post-STEMI Left Ventricular Thrombus With Optimized Anticoagulant

Start date: April 1, 2019
Phase: Phase 3
Study type: Interventional

Left ventricular thrombus is a common complication subsequent to ST-segment elevation myocardial infarction (STEMI) that related to increased embolic events. This study aims to assess the efficacy and safety outcomes of Rivaroxaban on the treatment of post-STEMI left ventricular thrombus.

NCT ID: NCT03757481 Not yet recruiting - Clinical trials for Deep Vein Thrombosis

Long-term Outcome After Heparin and Edoxaban Versus Heparin Plus Vit K Antagonists for Acute DVT and PE

Start date: January 1, 2019
Phase: N/A
Study type: Interventional

Centers that participated in the Hokusai VTE trial will be invited to collect follow of previously enrolled patients at least 2 years after the index VTE.

NCT ID: NCT03753061 Not yet recruiting - Clinical trials for Acute Ischemic Stroke

Intracranial Thrombosis Aspiration Catheter for Recanalization in Acute Ischemic Stroke Therapy (RECOVER)

Start date: November 20, 2018
Phase: N/A
Study type: Interventional

This study is a prospective, multi-center, open-label, end-point blinded, randomized, parallel positive control, non-inferiority clinical trial, with a purpose to evaluate the safety and efficacy of Hemo Jirui intracranial thrombus aspiration catheter system for endovascular treatment of acute ischemic stroke by comparison with stent retriever (Solitaire FR). The trial is anticipated to last from November 2018 to May 2019, with 204 subjects recruited from 15-20 clinical trial centers in China.

NCT ID: NCT03747081 Recruiting - Clinical trials for Cerebral Venous Thrombosis

Efficacy Comparison of Warfarin Versus Rivaroxaban CVT

Start date: September 1, 2018
Phase: Phase 1/Phase 2
Study type: Interventional

With regard to Cerebral Venous Thrombosis (CVT) importance as a life threatening disease, specific care is necessary, Known anti-coagulants have limitations.Vitamin K antagonists such as Warfarin, require laboratory monitoring and exact administration starting and maintenance dose. although Rivaroxaban(selective and direct Xa factor antagonist ) has no monitoring and no drug interaction. This study aim to focus on efficacy of Warfarin versus Rivaroxaban.

NCT ID: NCT03740633 Recruiting - Clinical trials for Deep Venous Thrombosis

Functional Training for the Prevention of Deep Venous Thrombosis

Start date: November 10, 2018
Phase: Phase 3
Study type: Interventional

This study aims to analyze the post-operative functional training on the prevention of deep venous thrombosis (DVT) in the patients who have accepted major surgeries for the gynecological malignancies. The functional training consists of: (1) active and passive ankle pump motions including flexion and extension, circumduction; (2) abdominal breathing training. The primary end is the incidence of DVT happened 30 days from surgery. The secondary ends include the patients satisfaction about functional training.

NCT ID: NCT03738488 Not yet recruiting - Clinical trials for Renal Cell Carcinoma

3D-biomodels for Surgical Planning in Patients With Renal Cancer and Vascular Involvement

Start date: November 1, 2018
Phase: N/A
Study type: Interventional

Objectives: Apply 3D- printed biomodels in patients with renal cancer (RCa) and vascular involvement (VTT) to: (1) improve surgical planning, (2) upgrade surgical results, (3) facilitate communication with patients, (4) serve as a model for teaching residents and (5) shortening the learning curve in experienced urologists. Methodology: The design of the study is a randomized clinical trial, to determine the safety, precision, feasibility, predictability, efficacy and efficiency of a surgical strategy based on imaging tests and 3D models regarding the surgical planning in patients with RCa and VTT. This is a longitudinal, prospective, experimental and multicenter study on a cohort diagnosed of RCa and VTT from 2018 in the Virgen del Rocío University Hospital (HUVR) or in the Ramón y Cajal University Hospital (HURC). The study will last for 3 years and will be carried out jointly by the HUVR, the HURC and the IBIS, in a multidisciplinary team made up of urologists, radiologists and engineers.

NCT ID: NCT03731884 Recruiting - Clinical trials for Acute Myocardial Infarction

Proteomic Profiling of Coronary Thrombus in Acute Myocardial Infarction

Start date: January 1, 2017
Study type: Observational

ST-elevation myocardial infarction (STEMI) is mostly caused by the rupture or the erosion of a vulnerable atherosclerotic plaque, initiating with intraluminal thrombosis and resulting in total occlusion of the coronary artery. Thrombus formation is a complex and dynamic process involving flow, blood cells and several plasma proteins, and it has not been clearly elucidated. To define - through proteomic approach - the composition of occluding thrombus and its time changes in patients with STEMI, trying to identify novel biomarkers of coronary thrombosis.