Skip to content

Prospective, Multicenter, Randomized Controlled, Noninferiority Clinical Study to Evaluate the Safety and Efficacy of the Split Left Ear Blocker System in Patients With Nonvalvular Atrial Fibrillation at High Risk for Stroke Who Are Not Suitable for Long-Term Anticoagulant Therapy or Who Remain at Risk for Stroke Despite Anticoagulation Therapy

Prospective, Multicenter, Randomized Controlled, Noninferiority Clinical Study to Evaluate the Safety and Efficacy of the Split Left Ear Blocker System in Patients With Nonvalvular Atrial Fibrillation at High Risk for Stroke Who Are Not Suitable for Long-Term Anticoagulant Therapy or Who Remain at Risk for Stroke Despite Anticoagulation Therapy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300077928
Enrollment
Unknown
Registered
2023-11-23
Start date
2023-11-30
Completion date
Unknown
Last updated
2023-11-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Non-valvular atrial fibrillation

Interventions

test group:Implantation of a Split Left Ear Blocker System
control group:Implantation of a Left Ear Blocker System

Sponsors

Zhongshan Hospital of Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. age 18 years and older; 2. patients with non-valvular atrial fibrillation with a CHA2DS2-VASc score of =2 who fulfill any of the following: a. Patients who, in the opinion of the investigator, are not suitable for long-term anticoagulation therapy or have poor compliance with long-term anticoagulation therapy; b, Stroke or embolic events despite long-term standardized anticoagulation therapy; c. patients at high risk of bleeding with a HAS-BLED score =3; 3. Subjects can understand the purpose of the trial, participate voluntarily and sign the informed consent form approved by the Ethics Committee in writing, and agree to complete the follow-up in accordance with the requirements of the program.

Exclusion criteria

Exclusion criteria: Clinical exclusion criteria: 1. the presence of diseases other than atrial fibrillation that require long-term anticoagulation therapy; 2. paroxysmal atrial fibrillation occurring with a clearly identifiable cause; 3. presence of an attached thrombus in the left atrium; 4. previous repair of atrial septal defect or implantation of atrial septal defect occluder; 5. previous repair of an atrial septal defect or implantation of an atrial septal defect occluder; 6. presence of a mechanical valve or peripheral vascular disease that interferes with placement of the test or control device; 7. atrial fibrillation due to rheumatic heart valve disease, degenerative heart valve disease, or congenital heart valve disease and valve disease such as mitral stenosis or aortic stenosis; 8. patients with a new stroke or TIA episode within 30 days prior to enrollment; 9. active infection; 10. acute myocardial infarction or severe coronary artery disease scheduled for CABG within 3 months prior to enrollment; 11. heart failure, NYHA classification IV; 12. renal insufficiency (Cr > 3.0mg/dl) or advanced renal disease requiring dialysis treatment; 13. active bleeding, or abnormal blood indicators: leukopenia WBC 10mm); 22. Preoperative TEE/CCTA examination reveals that the anatomical structure of the left auricle is unsuitable for implantation of the test or control device;

Design outcomes

Primary

MeasureTime frame
Freedom from ischemic stroke, TIA, and systemic embolism 12 months after surgery;Success rate of left auricular occlusion at 12 months postoperatively;

Secondary

MeasureTime frame
Prevalence of stroke (including ischemic, hemorrhagic, or undetermined), transient ischemic (TIA) episodes at 7 days, 1 month, 3 months, 6 months, and 12 months prior to discharge or postoperatively;Incidence of Ischemic Stroke, All-Cause Death, and Systemic Embolism Composite Endpoint Events at 7 Days, 1 Month, 3 Months, 6 Months, and 12 Months Prior to Discharge or Postoperatively;Device-related complications requiring treatment prior to discharge or at 7 days, 1 month, 3 months, 6 months, and 12 months postoperatively;Incidence of major bleeding events before discharge or at 7 days, 1 month, 3 months, 6 months and 12 months postoperatively;Instrument success rate;Technical success rate;Surgical time;parachute change rate;

Countries

China

Contacts

Public ContactJunbo Ge

Zhongshan Hospital of Fudan University

ge.junbo@zs-hospital.sh.cn+86 21 6404 1990

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026