- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04239534
CONVERGE CAP Study-For The Treatment Of Symptomatic Persistent or Long-standing Persistent AF (CAP)
Continued Access Protocol For Convergence Of Epicardial And Endocardial RF Ablation For The Treatment Of Symptomatic Persistent AF CONVERGE CAP Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a prospective CAP, multi-center, single arm study. The study will enroll one hundred and seventy subjects (170) to ensure that 153 subjects are treated with the EPi-Sense®-AF device, after accounting for post-enrollment subject ineligibility. Patients will be enrolled from up to twenty-seven (27) sites that enrolled patients in the CONVERGE study. For consistency, the same endpoints defined in the CONVERGE study will be used in the CAP.
The population for this study will be subjects with Persistent or Long-standing Persistent atrial fibrillation defined in accordance with the Heart Rhythm Society (HRS) 2017 AF expert consensus statement.
- Persistent: Continuous AF which is sustained beyond seven days.
- Long-standing Persistent: Continuous AF of greater than 12 months' duration. Subject informed consent might be obtained in two phases to allow for additional testing, beyond the site's standard of care (SOC) needed to complete the subject's eligibility to participate in this trial. If additional tests are needed to determine study eligibility, the subjects will sign a Screening ICF. Following a full evaluation, if it is determined that the subject is eligible to participate in the CONVERGE CAP study, the subject will sign an Enrollment ICF. Sites will continue to monitor subjects implanted with a loop recorder who did not qualify to be enrolled in the study. If the ILR indicates a change in the subject's AF status from paroxysmal to persistent AF and the subject continues to meet study eligibility criteria, the subject could sign an Enrollment consent to participate in the study.
Subjects will be provided the IRB/EC approved ICFs (Screening and Enrollment) and will have the opportunity to read, understand, and have their questions answered prior to signing the ICFs. If the subject agrees to participate in the study and signs consent, the ICF process will be completed. The subject must sign and date the Screening ICF prior to any additional assessments needed to determine study eligibility and sign and date the Enrollment ICF prior to study-specific procedures being performed. The person reviewing the ICF with the subject will also sign and date the ICFs. The subject will be given copies of the signed ICFs to keep. The Screening ICF will be required only if non-study evaluations are needed to determine the subject's eligibility to participate in the study.
Upon entering subject enrollment information into Clindex, each subject will be assigned a unique identification (ID) number sequentially in ascending order. All subjects who sign the ICFs will be documented in a Screening and Enrollment Log. For subjects who sign the Screening ICF but are ineligible to participate, minimum baseline characteristics: age, gender, race, screening date and screen failure reason (s) will be captured in Clindex.
Subjects are considered to be enrolled in the study when they have signed the Enrollment ICF. Subjects are considered to be treated when any of the study devices are introduced into the body.
Study Type
Phase
- Not Applicable
Contacts and Locations
Study Locations
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London, United Kingdom, E1 1BB
- St. Bartholomew's Hospital
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London, United Kingdom, SE1 7EH
- Guy's and St. Thomas Hospital
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Alabama
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Birmingham, Alabama, United States, 35243
- Grandview Medical Center
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Huntsville, Alabama, United States, 35801
- Heart Center Research LLC
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District of Columbia
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Washington, District of Columbia, United States, 20010
- MedStar Washington Hospital Center
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Florida
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Jacksonville, Florida, United States, 32204
- St. Vincent's HealthCare
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Palm Beach Gardens, Florida, United States, 33410
- Palm Beach Gardens Medical Center
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Georgia
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Atlanta, Georgia, United States, 30342
- Emory University - St. Joseph's Hospital
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Mississippi
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Tupelo, Mississippi, United States, 38801
- Cardiology Associates Research, LLC
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Virginia
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Richmond, Virginia, United States, 23229
- Virginia Cardiovascular Specialists
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age ≥ 18 years and < 80 years at time of enrollment consent.
- Left atrium ≤ 6.0 cm (Trans Thoracic Echo - TTE - parasternal 4 chamber view) or equivalent test.
- Refractory or intolerant to at least one AAD (class I and/or III).
- Subject has history of persistent or long-standing persistent atrial fibrillation as defined by the 2017 HRS/EHRA/ECAS Guidelines.
- Provided written informed consent.
Exclusion Criteria:
- Patients requiring concomitant surgery such as valvular repair or replacement, coronary artery bypass graft (CABG) surgery and atrial septal defect closure.
- Left ventricular ejection fraction < 40%.
- Pregnant or planning to become pregnant during study.
- Co-morbid medical conditions that limit one-year life expectancy.
- Previous cardiac surgery.
- History of pericarditis.
- Previous cerebrovascular accident (CVA), excluding fully resolved TIA.
- Patients who have active infection or sepsis.
- Patients with esophageal ulcers strictures and varices.
- Patients with renal dysfunction who are not on dialysis (defined as GFR ≤ 40).
- Patients who are contraindicated for anticoagulants such as heparin and coumadin.
- Patients who are being treated for ventricular arrhythmias.
- Patients who have had a previous left atrial catheter ablation for AF (does not include ablation for AFL or other supraventricular arrhythmias).
- Patients with existing ICDs.
- Current participation in another clinical investigation of a medical device or a drug, or recent participation in such a study within 30 days prior to study enrollment.
- Not competent to legally represent him or herself (e.g., requires a guardian or caretaker as a legal representative).
- Patient has presence of thrombus in the left atrium determined by intraoperative TEE.
- Patient exhibits pulmonary vein stenosis in one or more of the pulmonary veins >50 % stenosis.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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OTHER: Single Arm
In this Single Arm Study, Epicardial linear lesions will be created endoscopically using the EPi-Sense-AF Guided Coagulation System with VisiTrax throughout the posterior left atrium and along the pericardial reflections from a trans-diaphragmatic or sub-xyphoid access.
Followed by the sue of an endocardial ablation catheter that will be used to ablate endocardially to connect lesions at the reflections, complete the isolation of the pulmonary veins and create a cavotricuspid lesion to prevent typical atrial flutter.
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The epicardial lesion pattern will be created using the EPi-Sense®-AF Guided Coagulation System with VisiTrax®.
Epicardial linear lesions will be created endoscopically using the EPi-Sense-AF Guided Coagulation System with VisiTrax throughout the posterior left atrium and along the pericardial reflections from a trans-diaphragmatic or sub-xyphoid access without any chest incisions.
An endocardial ablation catheter will be used to ablate endocardially to connect lesions at the reflections, complete the isolation of the pulmonary veins and create a cavotricuspid lesion to prevent typical atrial flutter.
Once the study lesion pattern has been created by coagulating cardiac tissue using the EPi- Sense-AF Guided Coagulation System and the endocardial ablation catheter, the pulmonary veins must be evaluated for entrance and/or exit block to confirm isolation.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Primary Effectiveness Endpoint- Freedom from Atrial Fibrillation, Atrial Tachycardia and Atrial Flutter
Time Frame: From Three month blanking period until 12-months post procedure follow-up visit.
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The primary effectiveness endpoint is freedom from AF/AT/AFL absent class I and III AADs except for a previously failed or intolerant class I or III AAD with no increase in dosage following the 3-months blanking period through the 12-months post procedure follow-up visit. The primary effectiveness endpoint will be evaluated from the 24-hours Holter. |
From Three month blanking period until 12-months post procedure follow-up visit.
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Primary Safety Endpoint- Evaluation of major adverse events (MAEs) from the procedure to 30-days post procedure.
Time Frame: From procedure to 30-days post procedure
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The primary safety endpoint for the study is the incidence of major adverse events (MAEs) for subjects undergoing the convergent procedure from the procedure to 30-days post procedure.
The following MAEs occurring within 30 days of the procedure will contribute toward the primary safety endpoint: cardiac tamponade, severe pulmonary vein (PV) stenosis, excessive bleeding, myocardial infarction, Stroke, transient ischemic attacks (TIA), atrioesophageal fistula (AEF), phrenic nerve injury, and death.
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From procedure to 30-days post procedure
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Effectiveness-Freedom for Atrial Fibrillation, Atrial Tachycardia, Atrial Flutter and reduction of Atrial Fibrillation burden
Time Frame: From 3-month blanking to 12-, 24- and 36- months post procedure evaluation
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From 3-month blanking to 12-, 24- and 36- months post procedure evaluation
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Effectiveness- Atrial Fibrillation burden reduction
Time Frame: From 3-month blanking to 12-, 24- and 36- months post procedure evaluation
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From 3-month blanking to 12-, 24- and 36- months post procedure evaluation
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Safety-Incidence of serious adverse events
Time Frame: Through 12-months post procedure visit
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Incidence of serious adverse events (SAEs) in the study through the 12-months post procedure visit.
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Through 12-months post procedure visit
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: David De Lurgio, M.D., Emory University
Study record dates
Study Major Dates
Study Start (ANTICIPATED)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
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
- CP2019-1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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