- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02832206
Hybrid Ablation of Persistent and Long-standing Persistent Stand-alone Atrial Fibrillation
EndoMaze HYBRID project-a Detailed Assessment of Efficacy and Safety of Hybrid Ablation of Persistent and Long-standing Persistent Atrial Fibrillation
Study Overview
Detailed Description
Hybrid ablation (i.e. surgical thoracoscopic ablation, followed by catheter endocardial ablation) represent a new treatment option for patients with atrial fibrillation.
60 patients will undergo a two-stage, hybrid ablation, all of them will have an ECG monitoring device implanted and will be followed for up to three years. Neurological safety of both surgical and catheter procedures will be assessed by three examinations. Magnetic resonance will be performed before surgery, 5 days after surgery and at the 180 days visit to search for (subclinical) cerebral ischemia. Complex neuropsychological examination will be performed before surgery, afer 1 month after surgery and at 180 days visit to search for changes in cognitive functions, behavioral functions etc. Transcranial Doppler will be performed during surgical and catheter ablation to detect microembolic signals.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Prague, Czechia, 10000
- Charles university, Third Faculty of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients age > 18 years
- Patients with persistent/long-standing persistent AF according to the standard EHRA definition.
- Patients with symptomatic AF that is refractory to at least one antiarrhythmic medication.
- Absence of significant structural heart disease (dilated cardiomyopathy, hypertrophic cardiomyopathy, valvular heart disease, untreated coronary artery disease)
- Ability to sign an informed consent
Exclusion Criteria:
- Paroxysmal AF
- AF secondary to a reversible cause (i.e., thyreopathy, etc.)
- Indication for open-heart surgery (coronary artery bypass grafting, valve surgery, etc.)
- Severe left ventricle dysfunction that is clearly caused by some other cardiac disease (dilated cardiomyopathy, ischaemic heart disease, etc.) where the AF is clearly of secondary etiology
- Known severe pericardial and pleural adhesions (e.g., history of cardiac surgery)
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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hybrid ablation
60 patients with stand-alone, persistent or long-standing persistent atrial fibrillation
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Surgical thoracoscopic epicardial ablation (box-lesion) and left atrial appendage occlusion , followed (after 2-3months) by electrophysiological examination, and catheter ablation (completion of the box-lesion, cavotricuspid isthmus ablation and other ablation if indicated)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
sinus rhythm (The Reveal LINQ Insertable Cardiac Monitoring System)
Time Frame: 1 year
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Number of patients with sinus rhythm, without detections of atrial arrhythmias (episodes longer than 30 seconds)
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1 year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
neurological safety (cerebral magnetic resonance (MR), neuropsychological changes - multiple questionnaires, Transcranial Doppler)
Time Frame: 180 days
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new ischaemic brain lesions on MR performed at the discharge from surgery and at the 180 days visit), neuropsychological changes measured by special questionnaires, that will be filled at 30 and 180 days visit, periprocedural Doppler - hits rates on periprocedural transcranial Doppler measurement during both surgery and catheter ablation
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180 days
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periprocedural complications - surgery
Time Frame: 30 days
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conversion to sternotomy, bleeding, thromboembolic events, tamponade, haemothorax, pneumothorax, pleural effusion, pneumonia
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30 days
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
QoL measurement
Time Frame: 1 year
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changes in quality of life, measured by questionnaires AFEQT
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1 year
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Collaborators and Investigators
Investigators
- Principal Investigator: Zbynek Straka, MD, PhD, University Hospital Kralovske Vinohrady
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- PRAGUE-21
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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