Clinical trialNCT07298473RecruitingInterventional

Conquer-AF Protocol for Redo Ablation Procedures in Recurrent Paroxysmal and Persistent Atrial Fibrillation Using the Sphere-9 Catheter and Affera Ablation System (Conquer-AF)

SponsorMedtronic Cardiac Ablation SolutionsEnrollment400Atrial Fibrillation (AF)Paroxysmal Atrial Fibrillation (PAF)Persistent Atrial Fibrillation

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Khaldoun Tarakji, MD
Medtronic
Study Director
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

30 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Australia

Westmead Hospital
Westmead, New South Wales, Australia
Stuart Thomas, MD
Not, yet, recruiting
Adelaide University
Adelaide, South Australia, Australia
Sanders Prashanthan, MD
Not, yet, recruiting
the Royal Melbourne Hospital
Parkville, Victoria, Australia
Jonathan M Kalman, MD
Recruiting

Belgium

Universitair Ziekenhuis Brussel
Brussels, Belgium
Andrea Sarkozy, MD
Not, yet, recruiting

Czechia

Ikem - Institut Klinické A Experimentální Medicíny
Prague, Czechia
Josef Kautzner, MD
Not, yet, recruiting
Motol and Homolka University Hospital
Prague, Czechia
Petr Neuzil, MD
Not, yet, recruiting

France

Clinique Pasteur
Toulouse, France
Jean-Paul Albenque, MD
Not, yet, recruiting

Switzerland

Inselspital - Universitätsspital Bern
Bern, Switzerland
Tobias Reichlin, MD
Not, yet, recruiting

United States

University of Alabama at Birmingham (uab) Hospital
Birmingham, Alabama, United States
Hugh Thomas McElderry, MD
Not, yet, recruiting
Scripps Green Hospital
La Jolla, California, United States
Douglas Gibson, MD
Not, yet, recruiting
Cedars Sinai Medical Center
Los Angeles, California, United States
Michael Shehata, MD
Not, yet, recruiting
Nch Rooney Heart Institute
Naples, Florida, United States
Dinesh Sharma, MD
Recruiting
Adventhealth Cardiovascular Research Institute
Orlando, Florida, United States
Usman Siddiqui, MD
Not, yet, recruiting
Piedmont Heart Institute
Atlanta, Georgia, United States
Sandeep Goyal, MD
Not, yet, recruiting
Memorial Health University Medical Center
Savannah, Georgia, United States
Todd Senn, MD
Not, yet, recruiting
Massachusetts General Hospital
Boston, Massachusetts, United States
Moussa Mansour, MD
Recruiting
Kansas City Heart Rhythm Institute (midwest Heart and Vascular Specialist)
Kansas City, Missouri, United States
Dhanunjaya Lakkireddy, MD
Not, yet, recruiting
Northwell Health Lenox Hill Hospital
New Hyde Park, New York, United States
Haisam Ismail, MD
Not, yet, recruiting
Nyu Langone Medical Center
New York, New York, United States
Larry Chinitz, MD
Not, yet, recruiting
Montefiore Medical Center
The Bronx, New York, United States
Luigi Di Biase, MD
Not, yet, recruiting
Cleveland Clinic Foundation
Cleveland, Ohio, United States
Ayman Hussein, MD
Not, yet, recruiting
Ohiohealth Research and Innovation Institute (ohri)
Columbus, Ohio, United States
Anish Amin, MD
Not, yet, recruiting
Hospital of the University of Pennsylvania
Philadelphia, Pennsylvania, United States
Saman Nazarian, MD
Not, yet, recruiting
Allegheny General Hospital
Pittsburgh, Pennsylvania, United States
Amit Thosani, MD
Not, yet, recruiting
Vanderbilt University Medical Center
Nashville, Tennessee, United States
Zachary Yoneda, MD
Not, yet, recruiting
Texas Cardiac Arrhythmia Research Foundation
Dallas, Texas, United States
Andrea Natale, MD
Recruiting
Texas Health Fort Worth
Fort Worth, Texas, United States
Theodore Takata, MD
Not, yet, recruiting
Inova Fairfax Hospital
Falls Church, Virginia, United States
Stephen Gaeta, MD
Not, yet, recruiting
Centra Medical Group Stroobants Cardiovascular Center
Lynchburg, Virginia, United States
Chinmaya Mareddy, MD
Not, yet, recruiting
Sentara Norfolk General Hospital
Newport News, Virginia, United States
Venkat Iyer, MD
Not, yet, recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 8 Apr 2026
Primary completion: 29 Mar 2028
Completion: 29 Mar 2028
Last update posted: 13 Apr 2026
Registered enrollment: 400
Registry id: NCT07298473

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.