Persistent Atrial FibrillationADVANTAGE AFNCT05443594
A Prospective Single Arm Open Label Study of the FARAPULSE Pulsed Field Ablation System in Subjects With Persistent Atrial Fibrillation
A study testing Phase 1: FARAPULSE Ablation System and Phase 2: FARAPULSE Ablation System in people with Persistent Atrial Fibrillation, run by Boston Scientific Corporation at 44 sites in 4 countries.
Trial summary
The objective of the ADVANTAGE AF Study is to establish the safety and effectiveness of the FARAPULSE Pulsed Field Ablation System (FARAPULSE PFA System) for treatment of drug resistant, symptomatic persistent atrial fibrillation (PersAF). Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Persistent Atrial Fibrillation
- What is being tested?
- Phase 1: FARAPULSE Ablation System and Phase 2: FARAPULSE Ablation System
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 669 participants
- Where
- 44 sitesin 4 countries
- Study dates
- 28 Feb 2023to 11 Feb 2025
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age ≥ 18 years of age, or older if specified by local law
- Subjects have symptomatic, documented, drug-resistant, Persistent AF, defined as:
- Documented: at a minimum a physician's note confirming the arrhythmia symptoms and durations AND, within 180 days of Enrollment Date, either: i. A 24-hour continuous ECG recording confirming continuous AF OR ii. Two ECGs from any regulatory cleared rhythm monitoring device showing continuous AF taken at least 7 days apart b. Drug-resistant: effectiveness failure of, intolerance to, or specific contraindication to at least one (1) AAD (Class I or III).
- Persistent: continuous AF for > 7 days and ≤ 365 days
- Subjects who are willing and capable of providing informed consent
- Subjects who are willing and capable of participating in all testing associated with this clinical investigation at an approved clinical investigational center
Show all 12Show fewer
- Age ≥ 18 years of age, or older if specified by local law
- Subjects have symptomatic, documented, drug-resistant, Persistent AF, defined as:
- Documented: at a minimum a physician's note confirming the arrhythmia symptoms and durations AND, within 180 days of Enrollment Date, either: i. A 24-hour continuous ECG recording confirming continuous AF OR ii. Two ECGs from any regulatory cleared rhythm monitoring device showing continuous AF taken at least 7 days apart b. Drug-resistant: effectiveness failure of, intolerance to, or specific contraindication to at least one (1) AAD (Class I or III).
- Persistent: continuous AF for > 7 days and ≤ 365 days
- Subjects who are willing and capable of providing informed consent
- Subjects who are willing and capable of participating in all testing associated with this clinical investigation at an approved clinical investigational center
Who cannot join
- Any of the following atrial conditions:
- Left atrial anteroposterior diameter ≥ 5.5 cm, or if LA diameter not available, non-indexed volume >100 ml (by MRI, CT or TTE report or physician note)
- Any prior atrial endocardial, epicardial or surgical ablation procedure for arrhythmia, other than right sided cavotricuspid isthmus ablation or for right sided SVT
- Current atrial myxoma
- Any PV abnormality, stenosis, or stenting (common and middle PVs are admissible)
- Current left atrial thrombus
Show all 88Show fewer
- Cardiovascular exclusions - Any of the following CV conditions:
- History of sustained ventricular tachycardia or any ventricular fibrillation b. AF that is secondary to electrolyte imbalance, thyroid disease, alcohol, or other reversible / non-cardiac causes c. Current or anticipated pacemaker, implantable cardioverter defibrillator or cardiac resynchronization therapy devices, interatrial baffle, closure device, patch, or patent foramen ovale occluder, LA appendage closure, device or occlusion, active implantable loop recorder or insertable cardiac monitor at the time of ablation d. Valvular disease that is any of the following: i. Symptomatic ii. Causing or exacerbating congestive heart failure iii. Associated with abnormal LV function or hemodynamic measurements e. Hypertrophic cardiomyopathy f. Any prosthetic heart valve, ring or repair including balloon aortic valvuloplasty g. Any IVC filter, known inability to obtain vascular access or other contraindication to femoral access h. Rheumatic heart disease i. Congenital heart disease with any clinically significant residual anatomic or conduction abnormality j. Awaiting cardiac transplantation or other cardiac surgery within the next 12 months
- Any of the following conditions at baseline (Section7.5):
- Heart failure associated with NYHA Class III or IV
- LVEF < 40%
- Uncontrolled hypertension (SBP > 160 mmHg or DBP > 95 mmHg on two (2) BP measurements at baseline assessment
- Any of the following events within 90 days of the Consent Date:
- Myocardial infarction (MI), unstable angina or coronary intervention
- Any cardiac surgery
- Heart failure hospitalization
- Pericarditis or symptomatic pericardial effusion
- Gastrointestinal bleeding
- Stroke, TIA, or intracranial bleeding
- Any non-neurologic thromboembolic event
- Carotid stenting or endarterectomy
- Thrombocytosis, thrombocytopenia, disorder of blood clotting or bleeding diathesis
- Contraindication to, or unwillingness to use, systemic anticoagulation
- Patients who have not been on anticoagulation therapy for at least 4 weeks prior to the ablation procedure
- Women of childbearing potential who are pregnant, lactating, not using medical birth control or who are planning to become pregnant during the anticipated study period
- Health conditions that in the investigator's medical opinion would prevent participation in the study, interfere with assessment or therapy, significantly raise the risk of study participation, or modify outcome data or its interpretation, including but not limited to:
- Body Mass Index (BMI) > 42.0
- Solid organ or hematologic transplant, or currently being evaluated for a transplant
- Any prior history or current evidence of hemi-diaphragmatic paralysis or paresis.
- Severe lung disease, pulmonary hypertension, or any lung disease involving abnormal blood gases or requiring supplemental oxygen
- Renal insufficiency if an estimated glomerular filtration rate (eGFR) is < 30 mL / min / 1.73 m2, or with any history of renal dialysis or renal transplant
- Active malignancy or history of treated malignancy within 24 months of enrollment (other than cutaneous basal cell or squamous cell carcinoma)
- Clinically significant gastrointestinal problems involving the esophagus or stomach including severe or erosive esophagitis, uncontrolled gastric reflux, gastroparesis, esophageal candidiasis or active gastroduodenal ulceration
- Active systemic infection
- COVID-19 disease
- Current confirmed, active COVID-19 disease ii. Current positive test for SARS-CoV-2 iii. Confirmed COVID-19 disease not clinically resolved at least 3 months prior to the Consent Date j. Uncontrolled diabetes mellitus or a recorded HgbA1c > 8.0% in the 90 days prior to the Consent Date k. Untreated diagnosed obstructive sleep apnea with apnea hypopnea index classification of severe (>30 pauses per hour)
- Predicted life expectancy less than one (1) year
- Subjects who are currently enrolled in another investigational study or registry that would directly interfere with the current study, except when the subject is participating in a mandatory governmental registry, or a purely observational registry with no associated treatments; each instance must be brought to the attention of the Sponsor to determine eligibility
- [PHASE 2] --------------------------------------------
- Any of the following atrial conditions:
- Left atrial anteroposterior diameter ≥ 5.5 cm, or if LA diameter not available, non-indexed volume >100 ml (by MRI, CT or TTE report or physician note)
- Any prior atrial endocardial, epicardial or surgical ablation procedure for arrhythmia, other than right sided cavotricuspid isthmus ablation or for right sided SVT
- Current atrial myxoma
- Any PV abnormality, stenosis, or stenting (common and middle PVs are admissible)
- Current left atrial thrombus
- Cardiovascular exclusions - Any of the following CV conditions:
- History of sustained ventricular tachycardia or any ventricular fibrillation
- AF that is secondary to electrolyte imbalance, thyroid disease, alcohol, or other reversible / non-cardiac causes
- Current or anticipated pacemaker, implantable cardioverter defibrillator or cardiac resynchronization therapy devices, interatrial baffle, closure device, patch, or patent foramen ovale occluder, LA appendage closure, device or occlusion, active implantable loop recorder or insertable cardiac monitor at the time of ablation
- Valvular disease that is any of the following:
- Symptomatic ii. Causing or exacerbating congestive heart failure iii. Associated with abnormal LV function or hemodynamic measurements e. Hypertrophic cardiomyopathy f. Any prosthetic heart valve, ring or repair including balloon aortic valvuloplasty g. Any IVC filter, known inability to obtain vascular access or other contraindication to femoral access h. Rheumatic heart disease i. Awaiting cardiac transplantation or other cardiac surgery within the next 12 months j. Nitroglycerin intolerance: Known adverse drug reaction to nitroglycerin k. Coronary disease: Known severe non-revascularizable coronary disease l. Stents: Pre-existing right coronary artery stent
- Any of the following conditions at baseline (Section7.5):
- Heart failure associated with NYHA Class III or IV
- LVEF < 40%
- Uncontrolled hypertension (SBP > 160 mmHg or DBP > 95 mmHg on two (2) BP measurements at baseline assessment
- Ventricular dysfunction: Right ventricular dysfunction
- Any of the following events within 90 days of the Consent Date:
- Myocardial infarction (MI), unstable angina or coronary intervention
- Any cardiac surgery
- Heart failure hospitalization
- Pericarditis or symptomatic pericardial effusion
- Gastrointestinal bleeding
- Stroke, TIA, or intracranial bleeding
- Any non-neurologic thromboembolic event
- Carotid stenting or endarterectomy
- Thrombocytosis, thrombocytopenia, disorder of blood clotting or bleeding diathesis
- Contraindication to, or unwillingness to use, systemic anticoagulation
- Patients who have not been on anticoagulation therapy for at least 4 weeks prior to the ablation procedure
- Women of childbearing potential who are pregnant, lactating, not using medical birth control or who are planning to become pregnant during the anticipated study period
- Health conditions that in the investigator's medical opinion would prevent participation in the study, interfere with assessment or therapy, significantly raise the risk of study participation, or modify outcome data or its interpretation, including but not limited to:
- Body Mass Index (BMI) > 42.0
- Solid organ or hematologic transplant, or currently being evaluated for a transplant
- Any prior history or current evidence of hemi-diaphragmatic paralysis or paresis.
- Severe lung disease, pulmonary hypertension, or any lung disease involving abnormal blood gases or requiring supplemental oxygen
- Renal insufficiency if an estimated glomerular filtration rate (eGFR) is < 30 mL / min / 1.73 m2, or with any history of renal dialysis or renal transplant
- Active malignancy or history of treated malignancy within 24 months of enrollment (other than cutaneous basal cell or squamous cell carcinoma)
- Clinically significant gastrointestinal problems involving the esophagus or stomach including severe or erosive esophagitis, uncontrolled gastric reflux, gastroparesis, esophageal candidiasis or active gastroduodenal ulceration
- Active systemic infection
- COVID-19 disease
- Current confirmed, active COVID-19 disease ii. Current positive test for SARS-CoV-2 iii. Confirmed COVID-19 disease not clinically resolved at least 3 months prior to the Consent Date j. Uncontrolled diabetes mellitus or a recorded HgbA1c > 8.0% in the 90 days prior to the Consent Date k. Untreated diagnosed obstructive sleep apnea with apnea hypopnea index classification of severe (>30 pauses per hour) l. Medication Use: Required use of phosphodiesterase inhibitors within 24 hours of the ablation procedure
- Predicted life expectancy less than one (1) year
- Subjects who are currently enrolled in another investigational study or registry that would directly interfere with the current study, except when the subject is participating in a mandatory governmental registry, or a purely observational registry with no associated treatments; each instance must be brought to the attention of the Sponsor to determine eligibility
- Any of the following congenital conditions:
- Congenital heart disease: Congenital heart disease with any clinically significant residual anatomic or conduction abnormality
- Methemoglobinemia: History of known congenital methemoglobinemia
- G6PD deficiency: History of known G6PD deficiency
- Contraindication to ICM insertion: Patients who cannot tolerate a subcutaneous, chronically-inserted LUX-Dx device
- LUX-Dx longevity: Patients with a LUX-Dx device inserted > 6 months prior to enrollment with an estimated longevity of less than 1 year
Trial locations and contacts
44 sites in 4 countries.
44 sites in 4 countries
United States40 sites
Emory University Hospital-Hospital
Atlanta, Georgia, 30322
Texas Cardiac Arrhythmia Research-Hospital
Austin, Texas, 78705
Johns Hopkins Hospital - East Baltimore Campus
Baltimore, Maryland, 21287
Grandview Medical Center-Hospital
Birmingham, Alabama, 35243
St. Lukes Idaho Cardiology Associates-Hospital
Boise, Idaho, 83712
Massachusetts General Hospital-Hospital
Boston, Massachusetts, 02114
Brigham and Women's Hospital-Hospital
Boston, Massachusetts, 02115
Lahey Clinic Hospital-Hospital
Burlington, Massachusetts, 01805
Trident Medical Center-Hospital
Charleston, South Carolina, 29406
Bethesda North Hospital-Hospital
Cincinnati, Ohio, 45242
Cleveland Clinic Foundation-Hospital
Cleveland, Ohio, 44195
OhioHealth Research and Innovation Institute - Riverside Methodist Hospital-Hospital
Columbus, Ohio, 43214
Doylestown Hospital-Hospital
Doylestown, Pennsylvania, 18901
Northwestern University-Hospital
Evanston, Illinois, 60208
UPMC Heart and Vascular Institute Harrisburg
Harrisburg, Pennsylvania, 17101
Orion Medical - Gulf Commerce Drive
Houston, Texas, 77034
St. Vincent's Hospital-Hospital
Indianapolis, Indiana, 46260
Arrhythmia Research Group-Research Facility
Jonesboro, Arkansas, 72401
University of Kansas Hospital-Hospital
Kansas City, Kansas, 66160
St. Luke's Hospital of Kansas City-Hospital
Kansas City, Missouri, 64111
Scripps Memorial Hospital-Hospital
La Jolla, California, 92037
Baptist Health Lexington
Lexington, Kentucky, 40503
Cedars - Sinai Medical Center-Hospital
Los Angeles, California, 90048
Catholic Medical Center-Hospital
Manchester, New Hampshire, 03102
St. Thomas Research Institute, LLC-Hospital
Nashville, Tennessee, 37205
Vanderbilt University Medical Center-Hospital
Nashville, Tennessee, 37232
NYU Langone Health Heart Rhythm Center
New York, New York, 10016
Weill Cornell Medical University-Hospital
New York, New York, 10021
Mount Sinai Medical Center-Hospital
New York, New York, 10029
Lenox Hill Hospital
New York, New York, 10075
Sentara Norfolk General Hospital-Hospital
Norfolk, Virginia, 23507
Hospital of the University of Pennsylvania-Hospital
Philadelphia, Pennsylvania, 19104
Banner University Medical Center Phoenix-Hospital
Phoenix, Arizona, 85006
Virginia Commonwealth University Health System-Hospital
Richmond, Virginia, 23219
Valley Hospital-Hospital
Ridgewood, New Jersey, 07450
St. Francis Hospital-Hospital
Roslyn, New York, 11576
University of California, San Francisco-Hospital
San Francisco, California, 94143-0112
St. John's Hospital-Hospital
Springfield, Illinois, 62769
Christus Trinity Mother Frances Health System-Hospital
Tyler, Texas, 75701
Mercy Hospital Medical Center-Hospital
West Des Moines, Iowa, 50266
Canada2 sites
McGill University Health Centre-Hospital
Montreal, Quebec, H3G 1A4
Institut universitaire de Cardiologie et de Pneumologie de Quebec-Hospital
Ste-Foy, Quebec, G1V 4G5
About this study
The objective of the ADVANTAGE AF Study is to establish the safety and effectiveness of the FARAPULSE Pulsed Field Ablation System (FARAPULSE PFA System) for treatment of drug resistant, symptomatic persistent atrial fibrillation (PersAF).
- Conditions
- Persistent Atrial Fibrillation
- Being tested
- Phase 1: FARAPULSE Ablation System, Phase 2: FARAPULSE Ablation System
- Medical subject headings
- Atrial Fibrillation
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Phase 1: FARAPULSE Ablation SystemDevice
PHASE 1: Pulsed Field Ablation to isolate the Pulmonary Veins and Posterior Wall using the FARAPULSE Ablation System.
Phase 2: FARAPULSE Ablation SystemDevice
PHASE 2: Pulsed Field Ablation to isolate the Pulmonary Veins, Posterior Wall and Cavo-Tricuspid Isthmus using the FARAPULSE Ablation System.
| Study group | Role | What they receive |
|---|---|---|
| Pulsed Field Ablation (Phase 1) | Experimental | PHASE 1 only Receives: Device: Phase 1: FARAPULSE Ablation System |
| Pulsed Field Ablation (Phase 2) | Experimental | PHASE 2 only Receives: Device: Phase 2: FARAPULSE Ablation System |
What is being measured
The primary outcome is the main question the study is designed to answer.
Primary Safety Endpoint (PSE): Event Rate of Safety Events Post Procedure
Phase 1:
Through 7 Days:
- Myocardial infarction
- Stroke
- Transient Ischemic Attack (TIA)
- Peripheral or organ thromboembolism
- Pulmonary edema
- Unresolved phrenic nerve palsy / paresis
- Vascular access complications
- Heart block
- Gastric motility / pyloric spasm disorders
Through 30 Days:
- Cardiac tamponade / perforation
- Pericarditis
Through 360 Days Post-Procedure:
- PV stenosis
- Atrio-esophageal fistula
Phase 2
Through 7 Days:
- Myocardial infarction
- Stroke
- Transient Ischemic Attack (TIA)
- Peripheral or organ thromboembolism
- Pulmonary edema
- Unresolved phrenic nerve palsy / paresis
- Vascular access complications
- Heart block
- Gastric motility / pyloric spasm disorders
Through 30 Days:
- Death
- Cardiac tamponade / perforation
- Pericarditis
- Any PFA system related PFA procedure-related cardiovascular or pulmonary adverse event
Through 90 Days:
- PV stenosis
- Atrio-esophageal fistula
Measured: Phase 1 Index Procedure through 360 Days | Phase 2 Index Procedure through 90 Days (per protocol Primary Safety Endpoint requirements)
Primary Effectiveness Endpoint: Treatment Success Rate Through Day 360
Includes both Acute Procedural Success and Chronic Success through Day 360.
Measured: Post-Blanking Period: Day 90 through Day 360
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 Jul 2022
- Study start28 Feb 2023
- Primary completion11 Feb 2025
- Study completion11 Feb 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (4)Papers the sponsor has linked to this study.
- Other trials for Persistent Atrial FibrillationStudies of the same condition, open and under way.
- More trials run by Boston Scientific CorporationThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 669 participants (actual)
Sponsor and investigators
- Lead sponsor
- Boston Scientific Corporation
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Vivek Reddy, Principal investigator, MOUNT SINAI HOSPITAL
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05443594
- Sponsor's protocol ID
- 92836802
- Acronym
- ADVANTAGE AF
- Status last verified
- Nov 2025
- First submitted
- 29 Jun 2022
- Last updated
- 16 Dec 2025
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No
Publications
Gerstenfeld EP, Schmidt B, Natale A, Nair D, Saliba W, Verma A, Sommer P, Metzner A, Dewland TA, Moss JD, Amin A, Champagne J, Cuoco F, Hounshell T, Issa Z, Turagam M, Brose R, Schwartz T, Raybuck JD, Garlitski A, Mansour M, Reddy VY. Pulsed Field Ablation vs Standard Radiofrequency Ablation for Typical Atrial Flutter: ADVANTAGE AF Trial Substudy. J Am Coll Cardiol. 2026 Apr 14;87(14):1764-1778. doi: 10.1016/j.jacc.2025.12.081. Epub 2026 Feb 6.
PubMed 41653174Matsumoto K, van Bragt KA, Kueffer FJ, Mburu W, Tarakji KG. Indirect treatment comparison of two pulsed field ablation systems for the treatment of persistent atrial fibrillation. J Interv Card Electrophysiol. 2026 Apr;69(3):355-363. doi: 10.1007/s10840-025-02124-6. Epub 2025 Sep 10.
PubMed 40928625Reddy VY, Gerstenfeld EP, Schmidt B, Nair D, Natale A, Saliba W, Verma A, Sommer P, Metzner A, Turagam M, Weiner S, Champagne J, Garcio-Bolao I, Calkins H, Olson J, Issa Z, Winner M, Su W, Tomassoni G, Kim J, Hook B, Delurgio DB, Gibson DN, Daccarett M, Patel C, Bhalla K, Shehata M, Harding JD, Cheung JW, Raybuck JD, Roelke S, Schwartz T, Sutton BS, Mansour M; ADVANTAGE-AF Investigators. Pulsed Field Ablation for Persistent Atrial Fibrillation: 1-Year Results of ADVANTAGE AF. J Am Coll Cardiol. 2025 May 6;85(17):1664-1678. doi: 10.1016/j.jacc.2025.03.515.
PubMed 40306839Reddy VY, Gerstenfeld EP, Schmidt B, Andrade JG, Nair D, Natale A, Saliba W, Sommer P, Metzner A, Verma A, Hounshell T, Amin A, Gentlesk P, Weiner S, Cuoco FA, Kim J, Turagam MK, Tomassoni G, Patel C, Issa Z, Shehata M, Anderson AM, Stoltz TJ, Raybuck JD, Schwartz T, Sutton BS, Mansour M; ADVANTAGE AF Investigators. Pulsed Field Ablation of Persistent Atrial Fibrillation With Continuous Electrocardiographic Monitoring Follow-Up: ADVANTAGE AF Phase 2. Circulation. 2025 Jul 8;152(1):27-40. doi: 10.1161/CIRCULATIONAHA.125.074485. Epub 2025 Apr 24.
PubMed 40273320
Study at a glance
From the registry record, last updated by the sponsor on 16 Dec 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Prospective Single Arm Open Label Study of the FARAPULSE Pulsed Field Ablation System in Subjects With Persistent Atrial Fibrillation
- ClinicalTrials.gov ID
- NCT05443594
- Acronym / sponsor ID
- ADVANTAGE AF / 92836802
- Conditions
- Persistent Atrial Fibrillation
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 669 participants (actual)
- Lead sponsor
- Boston Scientific CorporationIndustry (pharma, biotech, devices)
- Study start
- 28 Feb 2023 (actual)
- Primary completion
- 11 Feb 2025 (actual)
- Study completion
- 11 Feb 2025 (actual)
- First posted
- 5 Jul 2022 (actual)
- Results
- Posted 24 Oct 2025
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The objective of the ADVANTAGE AF Study is to establish the safety and effectiveness of the FARAPULSE Pulsed Field Ablation System (FARAPULSE PFA System) for treatment of drug resistant, symptomatic persistent atrial fibrillation (PersAF).
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Pulsed Field Ablation (Phase 1) | Experimental | Device: Phase 1: FARAPULSE Ablation SystemPHASE 1 only |
| Pulsed Field Ablation (Phase 2) | Experimental | Device: Phase 2: FARAPULSE Ablation SystemPHASE 2 only |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (12 listed)
- Age ≥ 18 years of age, or older if specified by local law
- Subjects have symptomatic, documented, drug-resistant, Persistent AF, defined as:
- Subjects who are willing and capable of providing informed consent
- Subjects who are willing and capable of participating in all testing associated with this clinical investigation at an approved clinical investigational center
- Age ≥ 18 years of age, or older if specified by local law
Key exclusion criteria (88 listed)
- Any of the following atrial conditions:
- Cardiovascular exclusions - Any of the following CV conditions:
- Any of the following conditions at baseline (Section7.5):
- Any of the following events within 90 days of the Consent Date:
- Thrombocytosis, thrombocytopenia, disorder of blood clotting or bleeding diathesis
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Phase 1: FARAPULSE Ablation SystemPHASE 1: Pulsed Field Ablation to isolate the Pulmonary Veins and Posterior Wall using the FARAPULSE Ablation System. | Device | Pulsed Field Ablation (Phase 1) |
| Phase 2: FARAPULSE Ablation SystemPHASE 2: Pulsed Field Ablation to isolate the Pulmonary Veins, Posterior Wall and Cavo-Tricuspid Isthmus using the FARAPULSE Ablation System. | Device | Pulsed Field Ablation (Phase 2) |
Primary outcome
Primary Safety Endpoint (PSE): Event Rate of Safety Events Post Procedure
Time frame: Phase 1 Index Procedure through 360 Days | Phase 2 Index Procedure through 90 Days (per protocol Primary Safety Endpoint requirements)
Phase 1: Through 7 Days: * Myocardial infarction * Stroke * Transient Ischemic Attack (TIA) * Peripheral or organ thromboembolism * Pulmonary edema * Unresolved phrenic nerve palsy / paresis * Vascular access complications * Heart block * Gastric motility / pyloric spasm disorders Through 30 Days: * Cardiac tamponade / perforation * Pericarditis Through 360 Days Post-Procedure: * PV stenosis * Atrio-esophageal fistula Phase 2 Through 7 Days: * Myocardial infarction * Stroke * Transient Ischemic Attack (TIA) * Peripheral or organ thromboembolism * Pulmonary edema * Unresolved phrenic nerve palsy / paresis * Vascular access complications * Heart block * Gastric motility / pyloric spasm disorders Through 30 Days: * Death * Cardiac tamponade / perforation * Pericarditis * Any PFA system related PFA procedure-related cardiovascular or pulmonary adverse event Through 90 Days: * PV stenosis * Atrio-esophageal fistula
Primary Effectiveness Endpoint: Treatment Success Rate Through Day 360
Time frame: Post-Blanking Period: Day 90 through Day 360
Includes both Acute Procedural Success and Chronic Success through Day 360.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Dec 2025.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 41653174Gerstenfeld EP, Schmidt B, Natale A, Nair D, Saliba W, Verma A, Sommer P, Metzner A, Dewland TA, Moss JD, Amin A, Champagne J, Cuoco F, Hounshell T, Issa Z, Turagam M, Brose R, Schwartz T, Raybuck JD, Garlitski A, Mansour M, Reddy VY. Pulsed Field Ablation vs Standard Radiofrequency Ablation for Typical Atrial Flutter: ADVANTAGE AF Trial Substudy. J Am Coll Cardiol. 2026 Apr 14;87(14):1764-1778. doi: 10.1016/j.jacc.2025.12.081. Epub 2026 Feb 6.
- Derived from this study: PubMed 40928625Matsumoto K, van Bragt KA, Kueffer FJ, Mburu W, Tarakji KG. Indirect treatment comparison of two pulsed field ablation systems for the treatment of persistent atrial fibrillation. J Interv Card Electrophysiol. 2026 Apr;69(3):355-363. doi: 10.1007/s10840-025-02124-6. Epub 2025 Sep 10.
- Derived from this study: PubMed 40306839Reddy VY, Gerstenfeld EP, Schmidt B, Nair D, Natale A, Saliba W, Verma A, Sommer P, Metzner A, Turagam M, Weiner S, Champagne J, Garcio-Bolao I, Calkins H, Olson J, Issa Z, Winner M, Su W, Tomassoni G, Kim J, Hook B, Delurgio DB, Gibson DN, Daccarett M, Patel C, Bhalla K, Shehata M, Harding JD, Cheung JW, Raybuck JD, Roelke S, Schwartz T, Sutton BS, Mansour M; ADVANTAGE-AF Investigators. Pulsed Field Ablation for Persistent Atrial Fibrillation: 1-Year Results of ADVANTAGE AF. J Am Coll Cardiol. 2025 May 6;85(17):1664-1678. doi: 10.1016/j.jacc.2025.03.515.
- Derived from this study: PubMed 40273320Reddy VY, Gerstenfeld EP, Schmidt B, Andrade JG, Nair D, Natale A, Saliba W, Sommer P, Metzner A, Verma A, Hounshell T, Amin A, Gentlesk P, Weiner S, Cuoco FA, Kim J, Turagam MK, Tomassoni G, Patel C, Issa Z, Shehata M, Anderson AM, Stoltz TJ, Raybuck JD, Schwartz T, Sutton BS, Mansour M; ADVANTAGE AF Investigators. Pulsed Field Ablation of Persistent Atrial Fibrillation With Continuous Electrocardiographic Monitoring Follow-Up: ADVANTAGE AF Phase 2. Circulation. 2025 Jul 8;152(1):27-40. doi: 10.1161/CIRCULATIONAHA.125.074485. Epub 2025 Apr 24.
- Individual participant dataSharing planned: No
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Atrial Fibrillation
Recruiting
A Study of VARIPULSE Pulsed Field Ablation (PFA) Catheter and FARAWAVE PFA Catheter in the Treatment of Participants With Persistent Atrial Fibrillation
Atrial Fibrillation
Active, not recruiting
A Study of VARIPULSE Catheter and TRUPULSE Generator With VARIPULSE PRO Software in Participants With PsAF
Atrial Fibrillation
Not yet recruitingPhase 4
An Investigator-initiated, Prospective, Open-label, Multicenter Randomized Controlled Trial, Comparing the Efficacy of Sacubitril/Valsartan and Standard Treatment on Atrial Fibrillation Recurrence After Catheter Ablation in Persistent Atrial Fibrillation Patients Without Hypertensive
Atrial Fibrillation (Persistent), Catheter Ablation
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Vivek Reddy principal investigator
MOUNT SINAI HOSPITAL
44 sites in 4 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Phase 1: FARAPULSE Ablation System and Phase 2: FARAPULSE Ablation System in people with Persistent Atrial Fibrillation, run by Boston Scientific Corporation at 44 sites in 4 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 12 inclusion and 88 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 16 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 44 sites in United States, Canada, Belgium, Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Yes. Results are posted in the registry (first posted 24 Oct 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Primary Safety Endpoint (PSE): Event Rate of Safety Events Post Procedure (time frame: Phase 1 Index Procedure through 360 Days | Phase 2 Index Procedure through 90 Days (per protocol Primary Safety Endpoint requirements)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05443594, which also lists 4 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Dec 2025.