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Venous Thromboembolism clinical trials

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NCT ID: NCT06218095 Active, not recruiting - Clinical trials for Venous Thromboembolism

Pregnancy and Postpartum Period Venous Thromboembolism and Simulation

Start date: May 15, 2023
Phase: N/A
Study type: Interventional

This research will be carried out to determine the effectiveness of teaching thromboembolism risk assessment during pregnancy and postpartum period to midwifery students using a high-tech simulation method. Thromboembolism during pregnancy and postpartum period is one of the preventable causes of maternal deaths. For this reason, it is important to determine the thromboembolism risk of pregnant women and postpartum women by midwives before complications develop and to plan preventive interventions. The aim of the research is to provide midwifery students with the ability to evaluate the risk of thromboembolism before clinical experience through high-tech simulation application. Goals; - To increase midwifery students' skills in assessing thromboembolism risk during pregnancy and postpartum period before clinical practice. - To increase the self-confidence and satisfaction of midwifery students with simulation application in pregnancy and postpartum thromboembolism risk assessment skills. - To develop midwifery students' quick, critical thinking and decision-making skills in assessing the risk of thromboembolism before clinical practice. - To help midwifery students visualize the risk of pregnancy and postpartum thromboembolism, which has an important place in terms of maternal deaths, by creating a clinical environment with a case scenario. - To determine the effectiveness of midwifery teaching through case scenario simulation application with the risk of pregnancy and postpartum thromboembolism, and to increase students' learning and clinical practice skills.

NCT ID: NCT05819125 Active, not recruiting - Clinical trials for Venous Thromboembolism

Comparison of the Risk of Venous Thromboembolism (i.e., Blood Clots in the Veins) and Bleeding Events in a Population of Obese Patients Receiving Higher-Dose or Extended-Duration Versus Conventional-Dose or Conventional-Duration of Prophylaxis (i.e., Preventive Treatment) With Enoxaparin

Start date: April 25, 2023
Phase:
Study type: Observational

In individuals with obesity, the optimal dosing and duration of venous thromboembolism (VTE) prophylaxis in settings representing acute medical illness or surgery is limited due to lack of randomized controlled trials (RCTs) focusing specifically on this population. Evidence suggests that in obese participants, both higher dosing and duration of VTE prophylaxis with Low Molecular Weight Heparins (LMWH) may be required to achieve a therapeutic effect similar to non-obese participants. This non-interventional study utilizes data already collected from a usual clinical practice setting in the Optum US clinical database, representing obese participants hospitalized with an acute medical condition or undergoing surgery receiving enoxaparin prophylaxis. Its aim is to compare the impact of the following enoxaparin prophylaxis strategies on the incidence of symptomatic VTE and major bleeding in the overall study population and prespecified subgroups: - High versus conventional dose - Extended versus conventional duration - Combined High-Dose and Extended-Duration versus Conventional-Dose and Conventional-Duration. The first date of enoxaparin prophylaxis will be the index date.

NCT ID: NCT05819112 Active, not recruiting - Clinical trials for Venous Thromboembolism

A Comparison of Extended Versus Conventional Duration of Enoxaparin Prophylaxis (i.e., Preventive Treatment) for Venous Thromboembolism (VTE, i.e., Blood Clots in the Veins) and Bleeding Event Risk in a Population With Acute Medical Illness

Start date: April 25, 2023
Phase:
Study type: Observational

Venous Thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is associated with an increase in risk of mortality and long-term disability and is a major contributor to global disease burden. Participants hospitalized with an acute medical illness are at increased risk of VTE. This study a non-interventional study which analyzes data already collected in the Optum US clinical database. Its aim is to compare conventional versus extended duration prophylaxis with enoxaparin on the incidence of VTE and bleeding events in participants hospitalized for acute medical illness. The first date of enoxaparin treatment will be the index date.

NCT ID: NCT05795062 Active, not recruiting - Clinical trials for Venous Thromboembolism

Treatment Patterns Among Patients With Venous Thromboembolism in the United States

Start date: March 10, 2023
Phase:
Study type: Observational

The purpose of this study is to assess outpatient treatment patterns following hospitalization for venous thromboembolism (VTE). VTE is a condition that occurs when blood clot forms in the vein. This is a retrospective study (assessments on events that have already occurred) of healthcare claims from databases. The study sponsors will assess healthcare claim records of patients treated with either apixaban or warfarin. Assessment includes treatment persistence, switch, and stopping therapy, along with recurrent VTE and bleeding.

NCT ID: NCT05773638 Active, not recruiting - Clinical trials for Von Willebrand Diseases

Cardiovascular and Venous Thromboembolism Disease in Patients With Von Willebrand Disease in the French West

TWIGO
Start date: December 26, 2021
Phase:
Study type: Observational

Due to increasing of life expectancy, patients with von Willebrand disease are exposed to age-related pathologies such as cancer or cardiovascular diseases. Management of thrombotic events is challenging given the inherent bleeding risk in von Willebrand disease. Few data are currently available in the literature. The aim of the study is to describe the frequency and nature of arterial and venous thromboembolic events and atrial fibrillation in patients with von Willebrand disease in the West of France. The investigators will perform a retrospective multicenter study conducted in the von Willebrand population of the French West. Von Willebrand adult patients followed in one of the French West medical centers participating in the study, who presented deep vein thrombosis, pulmonary embolism, ischemic stroke, transient ischemic attack, acute coronary syndrome, acute limb ischemia, atrial fibrillation, arteriopathy of the lower limbs, angina will be eligible.

NCT ID: NCT05643885 Active, not recruiting - Thromboembolism Clinical Trials

A Study to Compare Health Care Costs Between Apixaban and Low Molecular Weight Heparin in Patients With Venous Thromboembolism and Cancer

Start date: August 31, 2022
Phase:
Study type: Observational

The purpose of this study is to evaluate the health care resource utilization and costs associated with treating patients diagnosed with cancer and venous thromboembolism with apixaban or low molecular weight heparin. This is a retrospective database analysis of health care claims data. All-cause costs as well as costs associated with recurrent VTE, major bleeding, and clinically relevant nonmajor bleeding will be assessed.

NCT ID: NCT05618808 Active, not recruiting - Clinical trials for Venous Thromboembolism

A Trial to Learn How Well REGN9933 Works for Preventing Blood Clots After Knee Replacement Surgery in Adult Participants

Start date: May 24, 2023
Phase: Phase 2
Study type: Interventional

The primary objective of the study is to evaluate the efficacy of REGN9933 for the prevention of venous thromboembolism (VTE) after unilateral total knee arthroplasty (TKA), compared to enoxaparin The secondary objectives of the study are: - To evaluate the bleeding risk (ie, major and clinically relevant non-major [CRNM] bleeding) of REGN9933 after unilateral TKA through time of venography, compared to enoxaparin - To assess overall safety and tolerability of REGN9933 in participants undergoing TKA - To evaluate the efficacy of REGN9933 in prevention of clinically relevant VTE, compared to enoxaparin - To evaluate the efficacy of REGN9933 in prevention of deep venous thrombosis (DVT) detected by venography, compared to enoxaparin - To evaluate the pharmacokinetics (PK) of REGN9933 after single intravenous (IV) administration - To assess pharmacodynamic (PD) effects of REGN9933 on intrinsic and extrinsic coagulation pathways - To assess immunogenicity following a single dose of REGN9933 over time - To compare the efficacy of enoxaparin and apixaban in prevention of VTE after unilateral TKA

NCT ID: NCT05498142 Active, not recruiting - Critical Illness Clinical Trials

Predicting the Risk of Venous Thromboembolism in Critically Ill Patients

Start date: March 2015
Phase:
Study type: Observational [Patient Registry]

Introduction: Venous thrombosis (VTE), including both deep vein thrombosis (DVT) and pulmonary embolism (PE) remains a frequent complication in patients admitted to the Intensive Care Unit (ICU). Multiple prediction models for estimating the risk of VTE have been developed. However, many models have not been externally validated. The aim of this study is to perform a comprehensive external validation of pre-existing prediction models for predicting the risk of in-hospital VTE in critically ill patients. In case current risk assessment models fail, the investigators aim to additionally develop and internally validate a new risk prediction model. Methods: During the first phase of the study the investigators will perform external validation of existing prediction models. The performance, discrimination, calibration and clinical usefulness of the models will be evaluated. In the second phase of the study, in case performance of current risk assessment models is deemed insufficient for clinical application, the investigators will develop a model for predicting the risk of in-hospital VTE in critically ill patients. A multivariable prediction model will be constructed using a combination of predefined candidate predictors. This model will be internally validated and performance will be compared with performance of existing VTE risk prediction models. Dissemination: This protocol will be published online. This study will be reported according to the Transparent reporting of a multivariable prediction model for individual prognosis or diagnosis (TRIPOD) statement and this study will be submitted to a peer-reviewed journal for publication.

NCT ID: NCT05487066 Active, not recruiting - Clinical trials for Venous Thromboembolism

Efficacy of ICU-VTE Scale in ICU Patients

Start date: May 1, 2022
Phase:
Study type: Observational

Venous thromboembolism (VTE) is a common cause of morbidity and mortality among critically ill patients. No uniform standard model of VTE risk for critically ill patients was formatted by now. In 2020, Viarasilpa et al. developed the ICU⁃VTE rating table, mainly for ICU patients. However, it lacks validation. We examined and compared how well the ICU-VTE score predict and stratify VTE risk in comprehensive ICU patients.

NCT ID: NCT05396157 Active, not recruiting - Thrombocytopenia Clinical Trials

Venous Thromboembolism in Hematologic Malignancy and Hematopoietic Cell Transplant Patients: a Retrospective Study

Start date: November 1, 2021
Phase:
Study type: Observational

Venous thromboembolism (VTE) is the second leading cause of death in patients with cancer, after disease progression. VTE is increasingly recognized as a complication in patients with hematologic malignancies and various studies have reported high rates of VTE. Critically ill patients are at high risk of VTE and should all receive thromboprophylaxis. Given the increasing number of patients with HM (hematologic malignancies) / HCT (Hematopoietic cell transplantation) who develop critical illness, and their often prolonged course, it is imperative to understand the incidence and risk factors for VTE, and to evaluate the efficacy and risks associated with both chemical and mechanical thromboprophylaxis Therefore, the investigators plan to evaluate retrospectively the VTE / PE (pulmonary embolism) incidence in HM /HCT patients at the University of Toronto, and the complications associated with it (including death). In addition, the investigators want to evaluate the use, type (mechanical or pharmacological) and timing of thromboprophylaxis. And lastly, the investigators will determine the incidence of bleeding and of complications associated with chemical and mechanical thromboprophylaxis. The investigators will describe the change in VTE incidence over the last 10 years. The investigators know that patients with COVID-19 infection are at higher risk of thrombosis than non-COVID patients. As such, HM/HCT COVID-19 pts will comprise a subgroup, which will be compared with patients who are not not positive for COVID-19. If these numbers are low, COVID-19 status will be included as a predictive variable in our modelling. The results of this research program will help define indications and safety of VTE prophylaxis; and will inform the development of clinical practice guidelines.