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Blood Clot clinical trials

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NCT ID: NCT06393868 Not yet recruiting - Clinical trials for Venous Thromboembolism

Reducing Gastrointestinal Bleeding With Proton Pump Inhibitor Therapy in Acute Venous Thromboembolism

Start date: June 2024
Phase: Phase 3
Study type: Interventional

The investigators are studying whether treatment with a proton pump inhibitor called omeprazole reduces gastrointestinal bleeding in older adults taking blood thinners for a blood clot (venous thromboembolism). The purpose of this study, a pilot study or a feasibility study, is to test the study plan and determine whether enough participants will join a larger study and accept the study procedures.

NCT ID: NCT06329921 Not yet recruiting - Thrombosis Clinical Trials

Inpatient Monitoring of Unfractionated Heparin

Start date: May 2024
Phase: N/A
Study type: Interventional

Unfractionated heparin (UFH) is the most widely used intravenous (IV) anticoagulant for treating and preventing thromboembolic disease (e.g., blood clots ). UFH must be closely monitored and adjusted in the hospital. There are two assays used to monitor UFH: 1) the activated partial thromboplastin time (PTT) and 2) the chromogenic anti-factor Xa assay (anti-Xa). This study aims to compare PTT and anti-Xa methods for monitoring UFH in a pragmatic, randomized controlled trial to determine which helps patients reach a therapeutic anticoagulation range faster.

NCT ID: NCT05095844 Recruiting - COVID-19 Clinical Trials

National Vaccine Adverse Event Reporting Survey and Etiology

NVAERS
Start date: March 15, 2022
Phase:
Study type: Observational

If your serious vaccine-induced adverse event has been entered in the CDC Vaccine Adverse Event Reporting System (VAERS) we are interested in enrolling you for this study in order to log your symptoms. The primary goal of this study is to create a national database and gather vaccine-associated serious adverse events/injury data from newly vaccinated individuals in the US in order to identify the possible underlying causal relationships and plausible underlying biological mechanisms. The project aims to identify the genetic determinants of vaccine-induced adverse response by studying host genetics. We plan to use whole genome sequencing to identify single nucleotide polymorphisms associated with cardiovascular, neurological, gastrointestinal, musculoskeletal and immunological symptoms induced by vaccine administration. The secondary goal is to establish criteria that enable classification of vaccine-induced adverse events/injuries compare data from our database with the official Vaccine Injury Table National Vaccine Injury Compensation Program on or after March 21, 2017. The tertiary goal is to establish a database to gather detailed long-term adverse reaction data from subjects enrolled in FDA Emergency Use Authorized vaccine clinical trials.

NCT ID: NCT04650529 Recruiting - Clinical trials for Percutaneous Coronary Intervention

Gyeongsang National University Hospital Registry

GNUH
Start date: January 2010
Phase:
Study type: Observational [Patient Registry]

The G-NUH registry is a two-center, real-world registry of percutaneous coronary intervention in patients with significant coronary artery disease. From January 2010, PCI-treated patients from Gyeonsang National University Hospitals (Jinju & Changwon) were enrolled in this registry. The aim of this registry is to investigate long-term clinical outcomes and predictors of adverse outcomes after percutaneous coronary intervention from the academic hospitals.

NCT ID: NCT04319627 Recruiting - Clinical trials for Venous Thromboembolism

Statins for Venous Event Reduction in Patients With Venous Thromboembolism

SAVER
Start date: February 10, 2021
Phase: Phase 3
Study type: Interventional

The standard or usual treatment for patients diagnosed with deep vein thrombosis or pulmonary embolism is treatment with blood thinners (called anticoagulants). While treatment of blood clots with blood thinners is effective, some research has shown that adding a statin (medication used to lower cholesterol) may give extra protection. It is thought that statins can improve how cells along the walls of the vein control inflammation, which can prevent new blood clots from forming. The medication in this study, rosuvastatin, is approved in Canada for use as a cholesterol-lowering medication. The use of rosuvastatin in this study is considered investigational. This means that Health Canada has not approved the use of rosuvastatin as a treatment for blood clots. However, it has been approved for use in this research study. The purpose of this study is to examine if adding a statin (rosuvastatin) to the usual blood thinner treatment will decrease the risk of another blood clot forming. The investigators also hope to discover if taking a statin reduces damage to your veins. To do this, some of the participants in this study will get rosuvastatin and others will receive a placebo (a substance that looks like the study rosuvastatin but does not have any active or medicinal ingredients). The placebo in this study is not intended to have any effect on your blood clot. A placebo is used to make the results of the study more reliable.

NCT ID: NCT03365999 Completed - Knee Osteoarthritis Clinical Trials

Oral Tranexamic Acid vs. Oral Aminocaproic Acid to Reduce Blood Loss and Transfusion After Total Knee Replacement.

Start date: October 15, 2017
Phase: Phase 2
Study type: Interventional

This study compares two oral medications (tranexamic acid and aminocaproic acid) as hemostatic agent administered in patients undergoing total knee replacement.

NCT ID: NCT03280368 Completed - Atrial Fibrillation Clinical Trials

Adherence and Coagulation Assays in Dabigatran-treated Patients With Atrial Fibrillation

ARCADE
Start date: June 2014
Phase:
Study type: Observational

In patients with non-valvular atrial fibrillation treated with dabigatran etexilate, the level of adherence will be measured using a questionnaire, the Danish National Prescription Registry and pillcount and will be related to plasma levels of dabigatran measured by liquid chromatography tandem mass spectrometry (LC-MS/MS) and coagulation assays. The aim of the study is to measure the level of adherence and evaluate the usefulness of different coagulation assays to measure adherence in these patients. Furthermore, the aim is to determine the correlation between the anticoagulant effect of dabigatran using different coagulation assays and plasma levels of dabigatran. Most studies so far have been performed in vitro with plasma samples spiked with dabigatran. In this study the present knowledge from results of coagulation assays in dabigatran spiked plasma samples will be compared to the results of coagulation assays using blood samples from real-life patients.

NCT ID: NCT03274674 Completed - Condition Clinical Trials

Use of Injectable-platelet-rich-fibrin (I-PRF) to Thicken Gingival Phenotype

Start date: April 4, 2017
Phase: N/A
Study type: Interventional

The main objective of this study is to investigate whether the for individuals with thin gingival thickness who are susceptible to gingival recession, the investigators will use i-PRF with microneedle to increase gingival thickness without the need for surgical procedures

NCT ID: NCT03217799 Not yet recruiting - Clinical trials for Coagulation Disorder

Noninvasive Measurement of Blood Coagulation

Start date: August 2017
Phase: N/A
Study type: Observational

The investigators have developed an optical system that measures the coagulation status of patients in vivo in a non-invasive manner. The system is based on a small optical sensor that emits coherent light into the skin and collects the reflected light from the red blood cells in the blood vessels in the skin under the sensor. The sensor is placed on the fingertip, and during a brief period of occlusion of blood flow by a small pneumatic cuff, red cell movement becomes Brownian in nature and is thereby affected by the viscosity of the blood. In patients who have a bleeding tendency, red blood cell movement will be faster, while in patients with a hypercoagulable state the red cell movement will be slower. Treatment with anticoagulant medications is expected to affect the movement of the red blood cells and these changes can be detected by the sensor. The investigators plan to test the device in normal subjects and in subjects taking Coumadin, direct oral anticoagulants, antiplatelet drugs and heparin-based medications. The investigators will determine whether anticoagulants affect the noninvasive measurement and compare the results with standard laboratory tests of coagulation.

NCT ID: NCT02984384 Completed - Trauma Clinical Trials

PREVENTion of Clot in Orthopaedic Trauma

PREVENT CLOT
Start date: April 24, 2017
Phase: Phase 3
Study type: Interventional

The purpose of this study is to compare aspirin versus low-molecular weight heparin (LMWH) (Enoxaparin) as a thromboprophylaxis in patients who sustain a fracture.