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Thrombosis clinical trials

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NCT ID: NCT04088123 Withdrawn - Thrombosis; Artery Clinical Trials

Impact of Anti-platelet Drug Exposure on Platelet mRNA Splicing in Healthy Subjects

Start date: April 1, 2020
Phase:
Study type: Observational

The purpose of this pilot study is to determine how the anti-platelet drug, ticagrelor, impacts platelet mRNA splicing after a single loading dose in 10 healthy participants. These results will be valuable in that they will help inform our analysis of platelet RNA splicing after a thrombotic event.

NCT ID: NCT04059965 Withdrawn - Stroke Clinical Trials

AntiCoagulation Tracking InterVention and Evaluation

ACTIVE
Start date: October 1, 2022
Phase: N/A
Study type: Interventional

Anticoagulants are a leading cause of acute injury from adverse drug events, leading to ~20,000 serious injuries reported to the Food and Drug Administration per year and more than 220,000 emergency department visits annually. Therefore, we propose to implement a health information technology (HIT) population management tool at two distinct anticoagulation clinics that will allow the care team to assign and track tasks essential for timely patient monitoring. We will examine its effect on anticoagulation management outcomes through a randomized trial, hypothesizing that such interventions can be effective as well as cost-effective strategies to improve patient safety in the context of anticoagulation management services.

NCT ID: NCT04055389 Withdrawn - Cirrhosis, Liver Clinical Trials

Preventing de Novo Portal Vein Thrombosis With Antithrombin-III in Patients With Cirrhosis

PiVoT
Start date: January 1, 2021
Phase: Phase 1
Study type: Interventional

To prevent portal vein thrombosis (PVT) in patients with cirrhosis at risk for PVT by pharmacologic prophylaxis with intravenous antithrombin (AT-III).

NCT ID: NCT03988231 Withdrawn - Pulmonary Embolism Clinical Trials

Enoxaparin Versus Placebo for Venous Thromboembolism Prevention in Low Risk Cancer Patients After Surgical Procedures: a Randomized, Double Blind, Placebo Controlled Clinical Trial Pilot Study

Start date: July 2021
Phase: Phase 4
Study type: Interventional

Post-surgical bleeding is a major source of morbidity in cancer patients, and ramifications can include need for transfusion, increased length of hospital stay, unexpected return to the operating room, or even death. Current guidelines support that all cancer patients who require surgical procedures receive post-operative blood thinners to minimize risk for blood clots in the legs or lungs, known as venous thromboembolism (VTE), but these medications have an unfavorable risk/benefit relationship among patients at low risk for VTE. The proposed work will pilot a randomized, double blind, placebo controlled trial to critically examine the role of de-implementation of current guidelines that mandate blood thinning medications among cancer patients at low risk for VTE who require surgical procedures; the pilot trial will allow optimization of the design of a future pragmatic multicenter trial, which ultimately would maximize patient safety after surgical procedures for cancer.

NCT ID: NCT03832153 Withdrawn - Clinical trials for STEMI - ST Elevation Myocardial Infarction

Pan-Cardio-Genetics Clot Assessment in Acute Coronary Syndromes

PGCA-ACS
Start date: January 20, 2019
Phase:
Study type: Observational

Acute myocardial infarction with ST elevation (STEMI) is one of the leading causes of mortality. Although the presence of thrombus in STEMI patients has been linked to adverse outcomes, routine thrombus aspiration has not been proven effective. A potential explanation could be that patients with STEMI should be risk-stratified. Thus, a more personalized approach in treating these patients is stressfully required. This proposal aims to establish the required interdisciplinary infrastructure for developing a risk-stratification model by implementing clinical, laboratory and angiographic data with molecular knowledge obtained by using innovative technologies, such as data from nano/micro-Computed tomography and circulating microRNAs. Two hundred consecutive patients with STEMI undergoing thrombus aspiration will be enrolled in the study and will be followed-up for one year for Major Adverse Cardiac and Cerebrovascular events (MACCE). The proposed approach will shed light on the pathophysiological mechanisms and broaden the investigator's understanding of the complex cellular and molecular interactions in the STEMI setting that, along with clinical parameters, affect patient outcomes. Furthermore, it will enable the identification of certain circulating micro-RNAs as cardiovascular disease biomarkers and it will help clinicians to better stratify the cardiovascular and cerebrovascular risk of patients with STEMI. As part of the work, important characteristics of aspirated thrombi will be assessed for the first time (such as volume, density and shape) and will be linked to patient outcomes. All this information will be incorporated into one in-vitro model, which will be developed using bioprinting and microfluidics methodologies. The in-vitro model will facilitate: (i) the in-depth exploration of the pathophysiological mechanisms in patients with STEMI; and (ii) the therapeutic optimization of innovative nanocarriers/nanomedicines with thrombolytic efficacy. Clearly, the study improves personalized cardiovascular medicine approaches, by considering individual patient clinical assessment in a way that empowers the precision in diagnosis and therapy.

NCT ID: NCT03812835 Withdrawn - 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: August 23, 2021
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: NCT03804125 Withdrawn - Pulmonary Embolism Clinical Trials

A Study of Adverse Events and Suspected Adverse Drug Reactions in Patients 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: September 1, 2021
Phase:
Study type: Observational [Patient Registry]

To characterize and analyze the 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: NCT03613402 Withdrawn - Venous Thromboses Clinical Trials

BRAVO - Betrixaban Registry Using Real Time Observations in Acute Medical Illness to Assess Venous Thrombosis and Bleeding Outcomes

Start date: September 2018
Phase:
Study type: Observational

Part 1 - Evaluate the real-world implementation of extended prophylaxis with betrixaban in the acutely ill hospitalized medical population Part 2 - Describe patterns of Venous thromboembolism (VTE) prophylaxis in acutely ill medical patients who qualify for extended VTE prophylaxis

NCT ID: NCT03555552 Withdrawn - Clinical trials for Anticoagulation and Thrombosis Point of Care Test (AT-POCT)

Point of Care Testing to Improve Monitoring of LVAD Patients

Start date: July 1, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to develop and validate the accuracy of a low-cost "point-of-care" test (POCT) that allows monitoring of markers for anticoagulation and thrombosis (local coagulation or clotting of the blood), to be used by patients with advanced heart failure (AHF) on left ventricular assist device (LVAD) support. The investigators central hypothesis is that the fully-printed AT-POCT utilizing low-cost (printed) cassettes and detector will produce an inexpensive and convenient option for daily self-monitoring of PT/INR and LDH over existing methods.

NCT ID: NCT03422419 Withdrawn - Clinical trials for Thrombosis Portal Vein

TIPS or Anticoagulation in Portal Vein Thrombosis

PROGRESS
Start date: August 1, 2018
Phase: Phase 3
Study type: Interventional

The PROGRESS is an investigator-initiated, multicentre, randomized, trial comparing anticoagulation, which is the currently most frequently used treatment, alone, versus transjugular intrahepatic portosystemic shunt (TIPS) combined with anticoagulation, in patients presenting with recent obstructive portal vein thrombosis (ROPVT). The rationale of this study is to significantly increase the proportion of patients that achieve a complete or partial recanalization of the portal vein. The intervention of this study consists in TIPS deployment and catheter based clot removal in addition to anticoagulation. The investigators retain that this intervention will increase the proportion of patients with an open portal vein from 38% with anticoagulation alone to 83% with anticoagulation and TIPS after 6 months. Both anticoagulant therapy and clot removal/TIPS are treatments that are currently available and accepted indications for the treatment of ROPVT. Anticoagulation will be performed with unfractioned heparin or low molecular weight heparin initially and with vitamin K antagonists in the long term. The investigators plan to collect blood for biobanking at the time of inclusion and after 6 months. Blood samples for a biobank will be collected.