Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 5, 2026, 10:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Texas Cardiac Arrhythmia Research Foundation Clear all
Recruiting Not applicable Interventional

Post-ablation Alcohol Impacts Arrhythmia Recurrence, Quality of Life and Cognition in AF

NCT05510167
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Study arm
Behavioral
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Phase 4 Interventional

Feasibility and Safety of IV Sotalol Administered as a Loading Dose to Initiate Oral Sotalol Therapy

NCT04473807
View directory record Official record
Conditions
Arrhythmias, Cardiac, Atrial Fibrillation
Interventions
Intravenous Sotalol Administered as a Loading Dose to Initiate Oral Sotalol Therapy in Adult Patients with Atrial Fibrillation
Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 14, 2022 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Not applicable Interventional

Esophageal Protection Study: A Multicenter Study

NCT04577859
View directory record Official record
Conditions
AF - Atrial Fibrillation, Complication, Atrio-Esophageal Fistula
Interventions
ensoETM. Esophageal cooling during AF ablation, Esophageal temperature monitoring probe
Device
Lead sponsor
Advanced Cooling Therapy LLC, d/b/a Attune Medical
Industry
Eligibility
18 Years to 85 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
5
States / cities
Naples, Florida • Overland Park, Kansas • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Impact of Life-Style Modification On Ablation Outcome in Atrial Fibrillation

NCT02219841
View directory record Official record
Conditions
Atrial Fibrillation, Obesity
Interventions
radiofrequency catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

Ablation of Perimitral Flutter Following Catheter Ablation of Atrial Fibrillation: Impact on Outcomes

NCT01173796
View directory record Official record
Conditions
Atrial Fibrillation, Perimitral Flutter
Interventions
catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 4 Interventional

Ablation vs Amiodarone for Treatment of AFib in Patients With CHF and an ICD

NCT00729911
View directory record Official record
Conditions
Heart Failure
Interventions
Atrial Fibrillation ablation, Amiodarone
Procedure · Drug
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Completed No phase listed Observational

Determining the Association of Chromosomal Variants With Non-PV Triggers and Ablation-outcome in AF (DECAF)

NCT01751607
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2014 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

Effect of Amiodarone on the Procedure Outcome in Long-standing Persistent Atrial Fibrillation Undergoing Pulmonary Vein Antral Isolation

NCT01173809
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Amiodarone
Drug
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

Role of Coumadin in Preventing Thromboembolism in Atrial Fibrillation (AF) Patients Undergoing Catheter Ablation

NCT01006876
View directory record Official record
Conditions
Thromboembolism
Interventions
Coumadin
Drug
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
1,584 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Not applicable Interventional

RF Applications for Residual LAA Leaks

NCT04726943
View directory record Official record
Conditions
Left Atrial Appendage Thrombosis, Stroke, Ischemic, Atrial Fibrillation
Interventions
Radiofrequency Energy Applications
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Overland Park, Kansas • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

Ablation of Clinical Ventricular Tachycardia Versus Addition of Substrate Ablation on the Long Term Success Rate of VT Ablation

NCT01045668
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Radiofrequency Catheter Ablation (RFCA)
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2014 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Does Atrial Fibrillation (AF) Termination Without Additional Ablation Influence Outcome?

NCT01696344
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
PVAI, PVAI + ablation of extraPV triggers
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Association of Genetic Variants With Risk of Stroke in Patients With Atrial Fibrillation Off-anticoagulation

NCT04115436
View directory record Official record
Conditions
Thromboembolic Events
Interventions
Not listed
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
Not listed
Enrollment
40 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Phase 3 Interventional

PV Reconnection After PVAI at Different Power Settings and Adenosine Provocation

NCT01672346
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
PVAI followed by adenosine provocation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Persistent Atrial Fibrillation Treatment (RAAFT-3)

NCT04037397
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Anti Arrhythmics, Pulmonary Vein Isolation performed by Radio Frequency Catheter Ablation
Drug · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
5
States / cities
Tucson, Arizona • The Bronx, New York • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Cognitive Impairment in Atrial Fibrillation

NCT01816308
View directory record Official record
Conditions
Atrial Fibrillation, Mild Cognitive Impairment, Dementia
Interventions
Not listed
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
50 Years to 75 Years
Enrollment
888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Not applicable Interventional

Natural History of COVID-19-Related Atrial Fibrillation

NCT04830774
View directory record Official record
Conditions
COVID-19, Atrial Fibrillation New Onset
Interventions
ILR, PMK, ICD
Device
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Kansas City, Kansas • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Impact of the Pulmonary Vein Isolation on Exercise Capacity in Patients With Chronic Atrial Fibrillation

NCT01892774
View directory record Official record
Conditions
Chronic Atrial Fibrillation
Interventions
Radiofrequency catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 5, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

Effect of Catheter Ablation on Clinical Course of Migraine in AF Patients With or Without Previous History of Migraine

NCT01391091
View directory record Official record
Conditions
Migraine, Atrial Fibrillation
Interventions
Radiofrequency catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Phase 1 Interventional

Comparison of the Efficacy of Rapid Tests to Identify COVID-19 Infection (CATCh COVID-19)

NCT04372004
View directory record Official record
Conditions
COVID-19
Interventions
diagnostic tests for COVID-19 infection
Diagnostic Test
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Electrophysiologic and Morphologic Assessment of the Substrate to Guide Implantation of Defibrillators in Dilated Cardiomyopathy

NCT01378572
View directory record Official record
Conditions
Dilated Cardiomyopathy, Primary Prevention of Sudden Cardiac Death, Implantable Cardioverter Defibrillator
Interventions
Not listed
Lead sponsor
Catholic University of the Sacred Heart
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Oct 5, 2026, 10:32 AM EDT
Completed No phase listed Observational

The Role of Cardiac Biomarkers in Prediction of Outcome in Atrial Fibrillation Patients Undergoing Catheter Ablation

NCT01148914
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Inflammatory biomarkers
Other
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed Not applicable Interventional

Transcatheter Leak Closure With Detachable Coils Following Incomplete Left Atrial Appendage Closure Procedures

NCT03503253
View directory record Official record
Conditions
Left Atrial Appendage Incomplete Closure
Interventions
Interlock-35 Fibered IDC Occlusion System, Concerto Helix Detachable Coil System, Azur Peripheral Coil System
Device
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 6, 2021 · Synced Oct 5, 2026, 10:32 AM EDT
Not listed No phase listed Observational

Genetic Mechanisms Underlying SARS-CoV-2 Infection and the Impact of COVID-19 on Cognitive Function

NCT04506229
View directory record Official record
Conditions
Covid19
Interventions
Whole exome sequencing
Genetic
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Oct 5, 2026, 10:32 AM EDT