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Showing 1–24 of 873 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiovascular Surgery Clear all
Active, not recruiting Phase 2 Interventional Results available

Intramyocardial Injection of Autologous Umbilical Cord Blood Derived Mononuclear Cells During Surgical Repair of Hypoplastic Left Heart Syndrome

NCT03779711
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Autologous (self) mononuclear cells derived from umbilical cord blood, Stage II Surgical repair
Biological · Procedure
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
Up to 12 Months
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Nitric Oxide Administration in Attenuating Ischemia/Reperfusion Injury During Neonatal Cardiopulmonary Bypass

NCT02151877
View directory record Official record
Conditions
Ischemia/Reperfusion Injury After Neonatal Cardiac Surgery, Inflammatory Reaction After Neonatal Cardiac Surgery
Interventions
Inhaled Nitric Oxide, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
1 Day to 30 Days
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Jul 23, 2026, 3:57 PM EDT
Recruiting No phase listed Observational

Identification of Genomic Predictors of Adverse Events After Cardiac Surgery

NCT01258231
View directory record Official record
Conditions
Heart; Dysfunction Postoperative, Cardiac Surgery, Genetic Predisposition to Disease, Atrial Fibrillation, Myocardial Infarction, Heart Failure
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
20 Years to 90 Years
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2030
U.S. locations
3
States / cities
Boston, Massachusetts • Dallas, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Jul 23, 2026, 3:57 PM EDT
Terminated Not applicable Interventional Results available

IMMPRES: Intraoperative Monitoring & Management to Reduce Stroke

NCT04543838
View directory record Official record
Conditions
Cardiac Surgery
Interventions
Intervention, Standard of Care BP management
Diagnostic Test · Other
Lead sponsor
Parthasarathy Thirumala
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

Biomarker Study for Heart Failure in Children With Single Ventricle Physiology

NCT00571233
View directory record Official record
Conditions
Tricuspid Atresia, Hypoplastic Left Heart Syndrome, Unbalanced AV Canal
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
1 Month to 6 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 2Phase 3 Interventional

A Study Evaluating Efficacy and Safety of YM150 Compared to Enoxaparin in Subjects Undergoing Hip Replacement Surgery

NCT00902928
View directory record Official record
Conditions
Venous Thromboembolism, Arthroplasty, Replacement, Hip
Interventions
YM150, enoxaparin
Drug
Lead sponsor
Astellas Pharma Europe B.V.
Industry
Eligibility
18 Years and older
Enrollment
1,992 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
18
States / cities
Phoenix, Arizona • Tuscon, Arizona • Little Rock, Arkansas + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2015 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

Regional Cerebral Oxygenation and Brain Blood Volume During Cardiac Surgery Using the NeurOS System

NCT03969836
View directory record Official record
Conditions
Heart Diseases
Interventions
NeurOS system
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

Redesigning Cardiac Surgery to Reduce Neurologic Injury

NCT00432536
View directory record Official record
Conditions
Cardiovascular Disease, Surgery
Interventions
Quality improvement intervention
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
40 Years to 89 Years
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
3
States / cities
Portland, Maine • Lebanon, New Hampshire • Manchester, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 15, 2013 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Not applicable Interventional Results available

The Effect of Natrox® Oxygen Wound Therapy on the Healing Rate of Chronic Diabetic Foot Ulcers

NCT03905863
View directory record Official record
Conditions
Diabetic Foot Ulcer, Surgical Wound
Interventions
Natrox® Oxygen Wound Therapy
Device
Lead sponsor
Inotec AMD Limited
Industry
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
19
States / cities
Los Angeles, California • Miami, Florida • Miami Lakes, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2021 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

A Prospective Study of Patients With Hypoplastic Left Heart Syndrome (HLHS) Following Stage II Surgical Palliation

NCT01708863
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
0 Months to 18 Months
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
3
States / cities
Rochester, Minnesota • Oklahoma City, Oklahoma • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Jul 23, 2026, 3:57 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Biomarker-Led Optimization of Successful Surgical Outcomes in Moyamoya

NCT06634004
View directory record Official record
Conditions
Moyamoya Disease
Interventions
BOLD MRI
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 69 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
2
States / cities
Baltimore, Maryland • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Jul 23, 2026, 3:57 PM EDT
Active, not recruiting Phase 1 Interventional

Mesenchymal Stromal Cells for Infants With Congenital Heart Disease (MedCaP)

NCT04236479
View directory record Official record
Conditions
Congenital Heart Disease (CHD)
Interventions
BM-MSC
Biological
Lead sponsor
Catherine Bollard
Other
Eligibility
Up to 6 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

Short Term Outcomes From Minimally Invasive Surgery for the Treatment of Atrial Fibrillation

NCT00571597
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 85 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Rhythm Control and Potential Early Surgery for Tricuspid Regurgitation

NCT05045079
View directory record Official record
Conditions
Severe Tricuspid Valve Regurgitation (Disorder)
Interventions
Inferior Vena Caval (IVC) Occlusion maneuver
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jul 23, 2026, 3:57 PM EDT
Terminated Not applicable Interventional

Estrogen Replacement to Reduce Risk of Neurologic Injury After Coronary Artery Bypass Graft Surgery

NCT00123539
View directory record Official record
Conditions
Coronary Disease, Cardiovascular Diseases, Heart Diseases, Neurologic Manifestations
Interventions
Estrogen Replacement Therapy, Surgery
Drug · Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
55 Years and older · Female only
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 28, 2016 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 1 Interventional

Study of T3 on the Incidence of Atrial Fibrillation in Patients Undergoing Cardiac Surgery

NCT00289367
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
triiodothyronine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 85 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2008 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy and Safety Study of SRM003 in the Treatment of Subjects Undergoing Creation of an Arteriovenous Fistula to Facilitate Hemodialysis Access

NCT01806545
View directory record Official record
Conditions
Arteriovenous Fistula
Interventions
SRM003, Participating Site's standard practice
Biological · Other
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
47
States / cities
Phoenix, Arizona • Tucson, Arizona • Fresno, California + 41 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 23, 2026, 3:57 PM EDT
Completed No phase listed Observational

Organization in Acute Atrial Fibrillation Post Open Heart Surgery

NCT00614107
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 79 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Not applicable Interventional Results available

A Comparison of Fractional Flow Reserve-Guided Percutaneous Coronary Intervention and Coronary Artery Bypass Graft Surgery in Patients With Multivessel Coronary Artery Disease

NCT02100722
View directory record Official record
Conditions
Coronary Disease, Coronary Stenosis
Interventions
FFR guided PCI, CABG, Resolute Integrity Stent, Resolute Onyx Stent
Procedure · Device
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
13
States / cities
Palo Alto, California • Stanford, California • Decatur, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Results available

Safety of Sugammadex for the Reversal of Neuromuscular Blockade in American Society of Anesthesiologists (ASA) Class 3 or 4 Participants (MK-8616-145)

NCT03346057
View directory record Official record
Conditions
Reversal of Neuromuscular Blockade
Interventions
Sugammadex 2 mg/kg, Sugammadex 4 mg/kg, Sugammadex 16 mg/kg, Neostigmine + Glycopyrrolate, Rocuronium, Vecuronium
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • Loma Linda, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Early Use of Vasopressin in Post-Fontan Management

NCT03088345
View directory record Official record
Conditions
Circulatory Perfusion Disorder, Congenital Heart Disease, Single-ventricle
Interventions
Vasopressin, Arginine, Placebo
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
3 Weeks to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 6, 2020 · Synced Jul 23, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Results available

Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy

NCT02836652
View directory record Official record
Conditions
Heart Failure
Interventions
HeartMate II (HMII), Warfarin, acetylsalicylic acid (ASA) therapy
Device · Drug
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
50 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
33
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Jul 23, 2026, 3:57 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The AutoloGel™ Post-Market Surveillance (TAPS) Program

NCT00762138
View directory record Official record
Conditions
Wounds, Leg Ulcers, Pressure Ulcers, Diabetic Foot Ulcers
Interventions
AutoloGel System
Device
Lead sponsor
Cytomedix
Industry
Eligibility
18 Years to 95 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
2
States / cities
Augusta, Georgia • El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2014 · Synced Jul 23, 2026, 3:57 PM EDT
Not listed No phase listed Observational

Muscle Catabolism and Outcomes in Children Following Cardiac Surgery

NCT04998643
View directory record Official record
Conditions
Congenital Heart Disease, ICU Acquired Weakness, Catabolic State
Interventions
Muscle ultrasound to estimate lean body mass
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
3 Months to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Jul 23, 2026, 3:57 PM EDT