Clinical trials: Left Atrial Appendage Thrombosis
Left Atrial Appendage Thrombosis
The Left Atrial Appendage Closure by Surgery and the Incidence of Stroke in Patients Undergoing Open-heart Surgery.
This study aims to assess the efficacy and safety of prophylactic surgical closure of the left atrial appendage for stroke and cardiovascular death prevention in patients undergoing open heart surgery, regardless of their…
- Trial name
- NCT06172738
- Testing
- the left atrial appendage closure through surgery.
- Volunteers
- 100 people
- Sponsor
- Assiut University
Atrial Fibrillation
Efficacy of Optison Echo Contrast to Detect Thrombus in Left Atrial Appendage
The investigators intend to determine if using Optison echocardiography contrast increases sensitivity and specificity of detecting left atrial appendage thrombus in transesophageal echocardiography studies as opposed to standard…
- Trial name
- DOLOP (NCT01721447)
- Testing
- Optison echocardiography contrast agent
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Utah
Atrial Fibrillation, Cardioembolic Stroke
Long-term Results of Percutaneous Left Atrial Closure at Brest University Hospital (CLAPOT)
Atrial Fibrillation represents an important risk of cardioembolic stroke. In more than 90% of cases, thrombus originate in the left atrial appendage.
- Conditions
- Atrial Fibrillation, Cardioembolic Stroke, Left Atrial Appendage Thrombosis, Anticoagulant-induced Bleeding
- Trial name
- CLAPOT (NCT06232278)
- Where
- France
- Volunteers
- 120 people
- Sponsor
- University Hospital, Brest
Atrial Fibrillation
REgistry on Real-Life EXperience With Left Atrial Appendage Occlusion
The objective of this observational non-randomized multicenter study is to compile real-world clinical characteristics and outcomes data for patients treated with LAA (left atrial appendage) closure systems in a daily clinical…
- Trial name
- RELEXAO (NCT03279406)
- Testing
- Percutaneous Left Atrial Appendage Occlusion
- Volunteers
- 400 people
- Sponsor
- University Hospital, Tours
Atrial Fibrillation, Device Related Thrombus
Efficacy of Short Term Dabigatran Etexilate Followed by Aspirin Monotherapy After LAA (Left Atrial Appendage) Device Closure (the DEA-LAA Study).
Single arm, prospective unblinded study on post Watchman LAA closure device implant anti-coagulation management at a primary center (Vanderbilt Medical Center) and up to 5 additional high volume LAA implant centers.
- Conditions
- Atrial Fibrillation, Device Related Thrombus, Left Atrial Appendage Thrombosis, Watchman LAA Closure Device
- Trial name
- DEA-LAA (NCT03539055)
- Testing
- Dabigatran Etexilate Oral Capsule
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Vanderbilt University Medical Center
Atrial Fibrillation, Left Atrial Appendage Thrombosis
A Trial of Rivaroxaban Versus Warfarin in Dissolving Left Atrial Appendage Thrombus in Patients With Atrial Fibrillation
The purpose of this clinical randomized trial is to evaluate the efficacy and safety of rivaroxaban compared with warfarin in dissolving the LAA thrombus in patients with atrial fibrillation.
- Conditions
- Atrial Fibrillation, Left Atrial Appendage Thrombosis, Rivaroxaban
- Trial name
- NCT03792152
- Testing
- Rivaroxaban, Warfarin
- Volunteers
- 80 people
- Sponsor
- The Second Affiliated Hospital of Chongqing Medical University
Atrial Fibrillation
Exploring the Efficacy of Once Daily Oral Rivaroxaban for Treatment of Thrombus in Left Atrial/Left Atrial Appendage in Subjects With Nonvalvular Atrial Fibrillation or Atrial Flutter
A study for subjects with atrial fibrillation (AF) or atrial flutter who are diagnosed with left atrial (LA) or left atrial appendage (LAA) thrombus. The study will assign subjects to rivaroxaban for treatment of thrombi.
- Trial name
- X-TRA (NCT01839357)
- Testing
- Rivaroxaban (Xarelto, BAY59-7939)
- Where
- 31 sites in Bulgaria, France and 5 more
- Volunteers
- 60 people
- Sponsor
- Bayer
Atrial Fibrillation, Cerebral Embolism
Left Atrial Appendage Closure During Open Heart Surgery
Because atrial fibrillation occurs frequently in heart surgery patients, our overall hypothesis is that systematic closing the left atrial appendage during surgery will reduce cerebral embolism coming from the thrombus formation…
- Conditions
- Atrial Fibrillation, Cerebral Embolism, Stroke
- Trial name
- LAACS (NCT02378116)
- Testing
- Surgical closure of the left atrial appendage
- Where
- Denmark
- Volunteers
- 205 people
- Sponsor
- Frederiksberg University Hospital
Atrial Fibrillation
Retrospective Registry Providing Baseline Data on the Outcome of Left Atrial (LA) or LA Appendage (LAA) Thrombus in Patients With Nonvalvular Atrial Fibrillation (AF) or Atrial Flutter After Standard of Care (SoC) Anticoagulant Therapy
Thrombus outcome data will be collected retrospectively during 2011-2012 as a historical baseline of SoC with oral VKA (Vitamin K Antagonist(s) for the treatment of patients with nonvalvular AF or atrial flutter documented with…
- Trial name
- CLOT-AF (NCT01928979)
- Testing
- no drug
- Where
- 7 sites in Bulgaria, France and 5 more
- Volunteers
- 160 people
- Sponsor
- Bayer
Atrial Fibrillation (AF)
Research on Post-Stroke Anticoagulation Strategies for Atrial Fibrillation Based on Left Atrial Appendage Flow Velocity Measured by Intracardiac Echocardiography (ICE)
1. Study Purpose The primary aim of this research was to systematically describe and characterize a novel, thrombus-mimicking artifact observed during Intracardiac Echocardiography (ICE), termed the "Floating Lotus" sign.
- Trial name
- NCT07439731
- Testing
- Intracardiac Echocardiography (ICE) for Differential Diagnosis
- Where
- 2 sites in China
- Volunteers
- 172 people
- Sponsor
- Changhai Hospital
Percutaneous Left Atrial Appendage Occlusion (LAAO), Device-related Thrombus (DRT)
Recurrent or Persistent Device Related Thrombus After Left Atrial Appendage Occlusion: The RE-DRT Study
This study is a prospective, multicenter international trial aimed at assessing the actual incidence, identifying associated factors, and evaluating the clinical consequences of both persistent and recurrent device-related…
- Conditions
- Percutaneous Left Atrial Appendage Occlusion (LAAO), Device-related Thrombus (DRT), Thromboembolic Event, Major Cardioembolic Events
- Trial name
- RE-DRT (NCT06177704)
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Atrial Fibrillation (AF), Pulmonary Embolism (PE)
Exclusion of Left Atrial Appendage Thrombus in Emergency Department Patients With Atrial Fibrillation Undergoing CT to Assess for Pulmonary Embolus: A Feasibility Study
This study aims to investigate whether a quick, additional CT scan of the heart, performed immediately after a standard CT scan for pulmonary embolism, can effectively detect blood clots in the left atrial appendage (LAA) in…
- Conditions
- Atrial Fibrillation (AF), Pulmonary Embolism (PE), Left Atrial Appendage Thrombosis
- Trial name
- ELATE-AF (NCT07647939)
- Testing
- Delayed Un-gated CT Scan for Left Atrial Appendage Thrombus, Delayed Gated CT Scan for Left Atrial Appendage Thrombus
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Northwell Health
Atrial Fibrillation, Left Atrial Appendage Thrombosis
Resolution of Thrombi in Left Atrial Appendage With Edoxaban
Non-valvular (NV) atrial fibrillation (AF) increases the risk of stroke by approximately fivefold. The atrial thrombi associated with AF are seen within the left atrial appendage (LAA) in most cases (> 90%).
- Trial name
- REFLEX (NCT03840291)
- Testing
- Edoxaban
- Where
- 12 sites in South Korea
- Volunteers
- 36 people
- Sponsor
- Keimyung University Dongsan Medical Center
Left Atrial Appendage Closure, Thrombosis
Short-Term Anticoagulation Versus Antiplatelet Therapy for Preventing Device Thrombosis Following Left Atrial Appendage Closure
The objective of the study is to compare short-term (8 weeks) anticoagulation therapy (DOAC) vs. antiplatelet therapy for the prevention of device thrombosis following transcatheter LAAC.
- Conditions
- Left Atrial Appendage Closure, Thrombosis, Stroke, TIA
- Trial name
- ANDES (NCT03568890)
- Testing
- Rivaroxaban, dabigatran, apixaban, or edoxaban, Clopidogrel -75 mg/day, Low dose aspirin -80 to 125 mg/day-
- Where
- Canada
- Volunteers
- 510 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec
Atrial Fibrillation, Stroke
Feasibility and Safety Study of LAmbre Left Atrial Appendage Occluder
This study mainly evaluated the feasibility and safety of LAmbre Left Atrial Appendage Occluder which is to prevent ischemic stroke caused by atrial fibrillation(AF).
- Trial name
- NCT01920412
- Testing
- LAmbre Left Atrial Appendage(LAA) Occluder
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Lifetech Scientific (Shenzhen) Co., Ltd.
Atrial Fibrillation
Multidetector CT Left Appendage Atrial Thrombosis Exclusion in Patients With Atrial Fibrillation
The aim of the LATE (multidetector CT Lefi Appendage atrial Thrombosis Exclusion in patients with atrial fibrillation) study is to evaluate the diagnostic accuracy of cardiac Computed Tomography (TC) with 64 detectors and double…
- Trial name
- NCT06169332
- Volunteers
- 260 people
- Sponsor
- IRCCS San Raffaele
Atrial Fibrillation, Left Atrial Appendage Thrombosis
Can the Lambre Device Occlude IRRegular And Large Appendages in Patients With Non-Valvular AF
The primary objective is to demonstrate the safety and efficacy of the implantation of the LAmbre PlusTM device in patients with large or irregularly shaped appendages with non-valvular atrial fibrillation who are at increased…
- Conditions
- Atrial Fibrillation, Left Atrial Appendage Thrombosis, CVA
- Trial name
- CORRAL-AF (NCT04684212)
- Testing
- LAmbre PlusTM Left Atrial Appendage Closure System, Market approved oral anticoagulation (OAC), such as warfarin (Coumadin), dabigatran (Pradaxa), rivaroxaban (Xarelto), apixiban (Eliquis), edoxaban (Savaysa), or betrixaban (Bevyxxa)
- Where
- United States
- Sponsor
- Brian O'Neill MD
Atrial Fibrillation and Flutter, Heart Failure
Multimodal Cardiac Imaging Registry in Patients with Atrial Fibrillation
The goal of this observational registry is to collect a curated dataset of multimodal imaging data that will serve for development of artificial-intelligence based solutions for prediction of risk and outcomes in patients with…
- Conditions
- Atrial Fibrillation and Flutter, Heart Failure, Artificial Intelligence (AI), Echocardiography
- Trial name
- IMAGE-AF (NCT06584266)
- Testing
- Transoesophageal echocardiography, Catheter ablation
- Where
- 7 sites in Czechia, Poland
- Volunteers
- 3,000 people
- Sponsor
- University in Zielona Góra
Left Atrial Appendage Closure, WATCHMAN Device Implantation
The Evaluation of Thrombogenicity in Patients Undergoing WATCHMAN Left Atrial Appendage Closure Trial
This study will evaluate thrombogenicity in patients undergoing left atrial appendage closure using the WATCHMAN device. Parameters of thrombosis and platelet function, as well as other bio-markers, will be measure before…
- Trial name
- NCT03040622
- Testing
- WATCHMAN Left Atrial Appendage Closure
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Inova Health Care Services
Atrial Fibrillation
Platelet-activation and Optimal Inhibition in Patients With Atrial Fibrillation Undergoing Left Atrial Appendage Occlusion
The POPULAR-LAAO registry is an open-label observational prospective registry to investigate hemostatic processes following left atrial appendage occlusion.
- Trial name
- POPULAR-LAAO (NCT04705688)
- Where
- Netherlands
- Volunteers
- 120 people
- Sponsor
- R&D Cardiologie