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Venous Thrombosis clinical trials

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NCT ID: NCT03838328 Not yet recruiting - Clinical trials for Tranexamic Acid Adverse Reaction

Dose Effect of Tranexamic Acid on the Incidence of Deep Venous Thrombus in Cardiac Surgery

Start date: March 1, 2019
Phase: Phase 4
Study type: Interventional

In recent years, the lysine analogs tranexamic acid (TXA) has gained wide use in cardiac surgery as a blood-sparing agent. However, the safety of the drug and its impact on overall outcomes of cardiac surgery remains debated. The current study evaluates the dose effect of TXA on the incidence of deep venous thrombus (DVT) in cardiac surgery with cardiopulmonary bypass. Also, the dose effect of TXA on bleeding and allogeneic transfusion is evaluated.

NCT ID: NCT03835780 Not yet 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: NCT03812835 Not yet recruiting - Pulmonary Embolism Clinical Trials

A Study of Adverse Events and Suspected Adverse Drug Reactions of Patients Under Treatment of Apixaban for Venous Thomboembolism (VTE) Treatment

Start date: February 21, 2019
Phase:
Study type: Observational

Number, type and incidence of adverse events/suspected adverse drug reactions in patients treated with apixaban, according to therapeutic indications approved in Mexico.

NCT ID: NCT03805672 Terminated - Clinical trials for Deep Vein Thrombosis (DVT)

Below Knee DVT Study

Start date: September 2014
Phase: Phase 4
Study type: Interventional

Hospitalized patients are at risk of developing blood clots in the legs (Deep Vein Thrombosis or DVT), which can lead to death if those clots break off and migrate to the lungs. We know that if there is a blood clot in the large leg veins near the hips and in the thighs, treating these patients with high-doses of blood thinners reduces the risk of these deaths. It is unclear if treating blood clots in the calf with high doses of blood thinners is better than using low doses. In this study, after being diagnosed with a blood clot in the calf, patients will be treated with either low dose or high dose enoxaparin (Lovenox), a blood thinner. We will then see if low dose blood thinner has similar results as high dose blood thinner.

NCT ID: NCT03804697 Completed - Clinical trials for Arthroplasty Complications

Selective Thromboembolism Prophylaxis After Arthroplasty

Start date: August 1, 2016
Phase: N/A
Study type: Interventional

Asian populations have a lower rate of high-risk gene mutations of venous thrombosis, which means a reasonable perioperative anticoagulant management after hip or knee arthroplasty for Caucasian populations may be too excessive for Asians. So, individual patient risk assessment, rather than a "blanket policy", is considered the best thromboembolism prophylaxis for Asians.The purpose of this study was to evaluate the effectiveness and safety of selective thromboembolism prophylaxis compared with conventional thromboembolism prophylaxis by risk stratification with thromboelastography (TEG) after joint arthroplasty for Asian populations.

NCT ID: NCT03804125 Not yet recruiting - Pulmonary Embolism Clinical Trials

A Study of Adverse Events and Suspected Adverse Drug Reactions in Pacients Under Apixaban for Prevention of Stroke and Systemic Embolism With Non-Valvular Atrial Fibrillation and Venous Thromboembolic Events in Patients Who Have Undergone Elective Hip or Knee Replacement Surgery

Start date: February 21, 2019
Phase:
Study type: Observational [Patient Registry]

To characterize and analyze the number, type and incidence of adverse events/suspected adverse drug reactions in patients trated with Apixaban, according to therapeutic indications approved in Mexico.

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.

NCT ID: NCT03778502 Not yet recruiting - Clinical trials for Cerebral Vein Thrombosis

DOAC in Unusual Site Venous Thrombosis

DUST
Start date: January 2019
Phase:
Study type: Observational [Patient Registry]

Unusual site venous thromboembolism (VTE) refers to thrombosis occurring in venous districts outside the veins of the lower extremities and the pulmonary arteries, and includes splanchnic vein thrombosis (SVT), cerebral vein thrombosis (CVT), retinal vein thrombosis, ovarian vein thrombosis, and renal vein thrombosis. The use of the novel direct oral anticoagulants (DOAC), thrombin or factor Xa-inhibitors (such as dabigatran, apixaban, edoxaban, rivaroxaban), in patients with unusual VTE in clinical practice is increasing. Through an international multicentre prospective registry, the investigators aim to evaluate the rationale for the use of the DOAC for the treatment of unusual site VTE and to assess the safety and effectiveness of this approach in real life clinical practice.

NCT ID: NCT03773939 Recruiting - Critical Illness Clinical Trials

Risk Prediction of Venous Thromboembolism in Critically Ill

Start date: March 27, 2015
Phase:
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.