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ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:36 PM EDT

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Showing 457–480 of 491 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Heart Block Clear all
Completed No phase listed Observational Results available

Study of the CAT RX Aspiration Catheter When Used in Patients With Large Occlusive Thrombus in Coronary Arteries

NCT03957473
View directory record Official record
Conditions
Coronary Vessel Occlusion
Interventions
Indigo Aspiration System
Device
Lead sponsor
Penumbra Inc.
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
25
States / cities
Los Angeles, California • Orange, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 22, 2026, 3:36 PM EDT
Active, not recruiting No phase listed Observational

Stress Aortic Valve Index for Assessing Risk in Aortic Valve Stenosis Patients

NCT04514250
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
Not listed
Lead sponsor
Catharina Ziekenhuis Eindhoven
Other
Eligibility
50 Years and older
Enrollment
52 participants
Timeline
2021 – 2028
U.S. locations
2
States / cities
Worcester, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Phase 3 Interventional Results available

Occluded Artery Trial (OAT)

NCT00004562
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Myocardial Infarction, Heart Failure, Congestive, Heart Failure
Interventions
Beta adrenergic blockers, Platelet inhibitors, PTCA and stents, ACE Inhibitors
Drug · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2,201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Oct 22, 2026, 3:36 PM EDT
Terminated Phase 4 Interventional Results available

Aortic Stenosis and PhosphodiEsterase iNhibition With Aortic Valve Replacement (ASPEN-AVR): A Pilot Study

NCT01272388
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Not applicable Interventional Results available

Safety and Performance Study of the INGEVITY Lead

NCT01688843
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
INGEVITY lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
44
States / cities
Gilbert, Arizona • Glendale, Arizona • Tucson, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 22, 2026, 3:36 PM EDT
Terminated Phase 4 Interventional Results available

Paravertebral Nerve Blocks in Neonates

NCT03408340
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Paravertebral Nerve Block, Standard of Care Anesthesia
Procedure · Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 12 Months
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Oct 22, 2026, 3:36 PM EDT
Not listed Not applicable Interventional

Electronic Physician Notification to Facilitate the Recognition and Management of Severe Aortic Stenosis: The DETECT AS Trial

NCT05230225
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Physician Notification Letter
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 22, 2026, 3:36 PM EDT
Terminated Not applicable Interventional

Radial Versus Femoral Secondary Access During TAVI

NCT03879824
View directory record Official record
Conditions
Aortic Stenosis, Aortic Valve Disease, Vascular Access Complication
Interventions
Secondary Radial Artery Access, Secondary Femoral Artery Access
Procedure
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Temporary Autonomic Blockade to Prevent Atrial Fibrillation After Cardiac Surgery

NCT02498769
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Botulinum Toxin Type A, Placebo
Drug
Lead sponsor
Joseph Mathew, M.D.
Other
Eligibility
50 Years to 90 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 22, 2019 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Not applicable Interventional

Investigating the Utility of Remote Index of Microvascular Resistance in Patients With Chronic Total Occlusion

NCT04226326
View directory record Official record
Conditions
Chronic Total Occlusion
Interventions
Directly measure microvascular function using direct coronary flow measurements
Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Not applicable Interventional Results available

ImageReady(TM) MR Conditional Pacing System Clinical Study

NCT01781078
View directory record Official record
Conditions
Bradycardia, Sinus Node Dysfunction
Interventions
MRI, ImageReady System implant
Radiation · Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
363 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
29
States / cities
Mesa, Arizona • Los Angeles, California • San Francisco, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Not applicable Interventional

Evaluating the Risk of Cognitive Impairment After Surgical and Transcatheter Aortic Valve Replacement

NCT02971020
View directory record Official record
Conditions
Cardiovascular Disease, Aortic Valve Stenosis, Cognitive Assessments, Valve Surgery, Transcatheter Valve Replacement, Surgical Valve Replacement
Interventions
Observational/Cognitive Assessment
Other
Lead sponsor
Minnesota Veterans Medical Research and Education Foundation
Other
Eligibility
Up to 104 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Phase 1 Interventional

Transcaval Access for Transcatheter Aortic Valve Replacement in People With No Good Options for Aortic Access

NCT02280824
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
CA-TAVR, Amplatzer Duct Occluder
Procedure · Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 99 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
15
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Evanston, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 22, 2026, 3:36 PM EDT
Recruiting Not applicable Interventional

Advancing Clinical Heart Failure Outcomes Leveraging Defibrillation Lead Implant System for Left Bundle Branch Area Pacing

NCT07526896
View directory record Official record
Conditions
Heart Failure, Systolic Bundle Branch Block, Left
Interventions
LBBAP Therapy, LOT-CRT, ICD
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 22, 2026, 3:36 PM EDT
Completed No phase listed Observational

Coronary Obstruction Detection by Molecular Personalized Gene Expression (Corus CAD or ASGES)

NCT01117506
View directory record Official record
Conditions
Coronary Artery Disease, Chest Pain, Cardiovascular Diseases, Coronary Heart Disease, Angina Pectoris, CAD, CVD, CHD
Interventions
Corus CAD (ASGES)
Diagnostic Test
Lead sponsor
CardioDx
Industry
Eligibility
35 Years to 90 Years
Enrollment
581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
7
States / cities
Long Beach, California • Roseville, California • Boulder, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Not applicable Interventional

Prehabilitation to Improve Functional and Clinical Outcomes in Patients With Aortic Stenosis

NCT02597985
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Prehabilitation, Usual Care
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 23, 2021 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Phase 2 Interventional Results available

Interleukin-1 Blockade for Treatment of Cardiac Sarcoidosis

NCT04017936
View directory record Official record
Conditions
Cardiac Sarcoidosis
Interventions
Anakinra
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Ann Arbor, Michigan • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 22, 2026, 3:36 PM EDT
Terminated Phase 3 Interventional Results available

PROACT Xa - A Trial to Determine if Participants With an On-X Aortic Valve Can be Maintained Safely on Apixaban

NCT04142658
View directory record Official record
Conditions
Aortic Valve Disease, Aortic Valve Stenosis, Aortic Valve Failure
Interventions
Apixaban 5 MG, Apixaban 2.5 MG, Warfarin, On-X Aortic Mechanical Valve
Drug · Device
Lead sponsor
Artivion Inc.
Industry
Eligibility
18 Years and older
Enrollment
863 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
62
States / cities
Tucson, Arizona • Little Rock, Arkansas • Loma Linda, California + 50 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Oct 22, 2026, 3:36 PM EDT
Not listed Not applicable Interventional

Evaluating Infrasonic Hemodynography

NCT04636892
View directory record Official record
Conditions
Aortic Stenosis, Mitral Regurgitation, Pulmonary Hypertension, Heart Failure, Systolic, Cardiovascular Diseases, Coronary Artery Disease
Interventions
MindMics earbud
Other
Lead sponsor
Scripps Health
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 22, 2026, 3:36 PM EDT
Recruiting Not applicable Interventional

Effects of Blocking Blue Light at Night Post CABG, AVR, MVR, CABG AVR, CABG MVR, or SAH

NCT04578249
View directory record Official record
Conditions
Circadian Rhythm Disorders
Interventions
Blue light-blocking goggles, Clear goggles
Other
Lead sponsor
West Virginia University
Other
Eligibility
45 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 22, 2026, 3:36 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Bilateral Continuous Erector Spinae Blocks for Post-Sternotomy Pain Management

NCT04567407
View directory record Official record
Conditions
Postoperative Pain
Interventions
Bilateral erector spinae blocks using ropivacaine
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 17 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Oct 22, 2026, 3:36 PM EDT
Recruiting Not applicable Interventional

Valve Hemodynamic Optimization Based on Doppler-Echocardiography vs Catheterization Measurements Following ViV TAVR

NCT05459233
View directory record Official record
Conditions
Aortic Valve Stenosis, Aortic Valve Regurgitation, Prosthesis Failure
Interventions
Doppler-echocardiography, Invasive hemodynamic measurements
Procedure
Lead sponsor
Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Other
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
San Francisco, California • Hollywood, Florida • Royal Oak, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 22, 2026, 3:36 PM EDT
Not listed Phase 2 Interventional

TranScatheter Aortic Valve RepLacement System US Feasibility Trial

NCT01932099
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
Transcatheter aortic valve replacement
Device
Lead sponsor
Direct Flow Medical, Inc.
Industry
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
6
States / cities
Sacramento, California • Chicago, Illinois • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Oct 22, 2026, 3:36 PM EDT
Recruiting No phase listed Observational

Pre-Emptive LAVA-ECMO for Complex High-Risk TAVR

NCT07309029
View directory record Official record
Conditions
Severe Aortic Stenosis, Cardiogenic Shock, Cardiogenic Shock, ECMO, Trans-catheter Aortic Valve Implantation
Interventions
Left Atrial Veno-Arterial Extracorporeal Membrane Oxygenation (LAVA-ECMO)
Device
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Detroit, Michigan • Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 22, 2026, 3:36 PM EDT