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Deep Vein Thrombosis clinical trials

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NCT ID: NCT03937947 Recruiting - Clinical trials for Traumatic Brain Injury

Traumatic Brain Injury Associated Radiological DVT Incidence and Significance Study

TARDIS
Start date: May 2019
Phase:
Study type: Observational

Whilst deep vein thrombosis (DVT) is common following traumatic brain injury (TBI), optimal timing and safety of pharmacological prophylaxis is uncertain. Paradoxically the harm associated with the occurrence of is also unclear. This study is an observational pilot that aims to define the incidence of proximal DVT in patients with moderate to severe TBI. It seeks prospectively to determine if there is an association between DVT and outcome. It also seeks to explore possible associations between the occurrence of DVT and the incidence of lung injury and/or ventilator associated pneumonia.

NCT ID: NCT03909399 Recruiting - Pulmonary Embolism Clinical Trials

Prevention and Prophylaxis of Cancer Associated Thrombosis in High Risk Oncology Patients

Start date: January 25, 2019
Phase:
Study type: Observational

Prevention and Prophylaxis (Thromboprophylaxis - ACT) of Cancer Associated Thrombosis (CAT) in High Risk Oncology Patients: ACT4CAT.

NCT ID: NCT03901872 Recruiting - Clinical trials for Deep Vein Thrombosis

Contemporary Endovascular Therapies in Treatment of Acute Iliofemoral DVT A Prospective, Multicentre Cohort Trial

CLEAR-DVT
Start date: March 29, 2019
Phase:
Study type: Observational

The goal of this initial proof of principle single arm cohort trial is to determine if contemporary endovascular venous intervention, compared with a 1:1 propensity-matched medical therapy arm of the ATTRACT trial, significantly reduces the 2-year occurrence of PTS in subjects with symptomatic proximal DVT.

NCT ID: NCT03894878 Recruiting - Atrial Fibrillation Clinical Trials

Association Between Genetic Variant Scores and Warfarin Effect

AWARE1
Start date: February 11, 2019
Phase:
Study type: Observational

Study objective is to determine whether there is an association between genetic variant risk scores and clinical outcomes (percent time in therapeutic range, time to reach therapeutic international normalized ratio (INR), INR ≥ 4, major bleeding event, ischemic stroke, death) in patients taking warfarin for atrial fibrillation, deep vein thrombosis (DVT), and/or intracardiac thrombosis.

NCT ID: NCT03881345 Recruiting - Pulmonary Embolism Clinical Trials

Ongoing Registry of Treatment of Venous Thromboembolism

RRT VTE
Start date: April 1, 2019
Phase:
Study type: Observational [Patient Registry]

Ongoing registration of patients with venous thromboembolism treated by means of antithrombotic therapy, thrombolisys, open surgery, endovenous desobstruction and stenting.

NCT ID: NCT03877770 Recruiting - Clinical trials for Deep Vein Thrombosis

DVT After Cardiac Procedure

Start date: October 20, 2017
Phase:
Study type: Observational

Patients undergoing electrophysiology studies (EPS) and cardiac ablation procedure for the treatment of cardiac arrhythmias may be at increased risk of deep vein thrombosis (DVT) during or after the procedure, which may lead to pulmonary embolus which can be life threatening. The study will use Doppler ultrasound scanning at 24h and between 10-14 days post EPS and cardiac ablation to assess the incidence of undiagnosed DVT. A positive finding may provide support for a larger clinical trial to assess the benefit of prophylactic anticoagulation post EPS procedure.

NCT ID: NCT03868956 Not yet recruiting - Clinical trials for Deep Vein Thrombosis

Diagnosis Exclusion of Recurrent Deep Vein Thrombosis of the Lower Limbs

ULTREC
Start date: May 2019
Phase: N/A
Study type: Interventional

The purpose is to assess the safety of a management strategy based on colour doppler ultrasound (CDUS) and D-Dimer test results for the diagnosis exclusion of recurrent deep vein thrombosis (DVT) of the lower limbs. DVT recurrence requires using anticoagulant treatment to prevent thrombosis progression. Given an increased bleeding risk with prolonged treatment, an accurate diagnosis for recurrence is needed. However, the diagnosis of a new thrombosis in a previously involved leg is difficult. Imaging modalities and criteria that are currently used for the diagnosis may be equivocal and unable to discriminate between an old clot and a new one recently developed at the same site. An increase in vein diameter after vein compression by the ultrasound probe was suggested as a diagnostic criterion for a new DVT. This method has many limitations in clinical practice, mainly a lack of availability of a previous measurement and a poor inter-observer agreement. Colour Doppler ultrasound enables to study both the thrombus and the blood flow characteristics that might help to overcome these limitations. CDUS is a well-known method for the diagnosis of vascular diseases and is used in every day clinical practice for the diagnosis of a first DVT and DVT recurrence but CDUS has never been assessed for DVT recurrence in a study. The diagnosis of DVT recurrence may be easily established using the same criteria as for a first DVT episode. Our hypothesis is that CDUS associated with D-Dimer can safely rule out the diagnosis of DVT recurrence while maintaining a good specificity. The strategy consists in performing first a CDUS that helps to classify patients as having (positive CDUS) or not having (negative CDUS) a new thrombosis. In the case of an equivocal CDUS, a D-Dimer test is performed. If the D-dimer is normal, the diagnosis of DVT recurrence is ruled out and the patient is not treated. If the D-dimer is abnormal, the diagnosis cannot be excluded nor confirmed and a second CDUS is performed on D7±2. Meanwhile, patients are not treated by anticoagulants. An unchanged CDUS on D7±2 qualifies patients as free from a new DVT and they are not treated. Conversely a change in CDUS qualifies patients as having a new DVT which requires anticoagulant treatment. All patients have a 3-month follow-up for the assessment of potential venous thromboembolic events.

NCT ID: NCT03835780 Active, not recruiting - Clinical trials for Rheumatoid Arthritis

The Risk of Venous Thromboembolism in Systemic Inflammatory Disorders: a United Kingdom (UK) Matched Cohort Study

Start date: February 1, 2019
Phase:
Study type: Observational

Blood clots occurring in the legs and in the lungs are relatively common; they occur in around 3 in a 1000 people per year. They can cause disability and are also potentially life threatening. When a clot occurs in the legs it is called a deep vein thrombosis or DVT. When they occur in the lungs they are called a pulmonary embolism or PE. The risk for DVT and PE is higher in people with conditions which cause inflammation. The most common of these are inflammatory bowel disease (ulcerative colitis and Crohn's disease), rheumatoid arthritis, and psoriatic arthritis (a condition comprised of psoriasis and joint inflammation). What is not known is how much higher the risk of DVT and PE is in these groups compared with people without inflammatory disease, and what causes the excess risk in these people. This study aims to assess the measure the exact increase in risk for DVT and PE in people with these inflammatory conditions and to identify which risk factors are most strongly associated with the increased risk. These data should help with an understand the causes of blood clot risk in these inflammatory conditions and in identify targets for reducing risk.

NCT ID: NCT03812848 Active, not recruiting - Atrial Fibrillation Clinical Trials

Clinical Pharmacist-led Inpatient Anticoagulation Stewardship Program

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

This study aims at evaluating the implementation of clinical-pharmacist-led anticoagulation stewardship program in Egyptian tertiary hospital to promote a culture of safety around anticoagulants.

NCT ID: NCT03784937 Recruiting - Clinical trials for Deep Vein Thrombosis

Revaluation of Wells' Clinical Prediction Score of Deep Vein Thrombosis (DVT) in Inpatients With Thromboprophylaxis Treatment

R-WITT
Start date: February 1, 2018
Phase:
Study type: Observational

This study aimed (1) revaluating the efficacy of the Wells' clinical prediction score for an inpatient population; and the weight of the presence of thromboprophylaxis treatment on the score, and (2) evaluating the correlation of a risk stratification established between a physician specialised in thrombosis and any other doctor.