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ClinicalTrials.gov public records Last synced Oct 24, 2026, 10:46 PM EDT

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Showing 217–240 of 691 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cardiac Complication Clear all
Recruiting No phase listed Observational

Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise

NCT03775954
View directory record Official record
Conditions
High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
Interventions
Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
Diagnostic Test · Genetic
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Recruiting No phase listed Observational

Product Surveillance Registry

NCT01524276
View directory record Official record
Conditions
Cardiac Rhythm Disorders, Urological Disorders, Neurological Disorders, Cardiovascular Disorders, Digestive Disorders, Intracranial Aneurysm, Mechanical Circulatory Support, Respiratory Therapy, Aortic, Peripheral Vascular and Venous Disorders, Minimally Invasive Surgical Procedures, Diagnostic Techniques and Procedures, Surgical Procedures, Operative, Renal Insufficiency, Neurovascular, Coronary Artery Disease, Ear, Nose and Throat Disorder
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2040
U.S. locations
136
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 133 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Risk of Diabetes in Young Turner Syndrome Patients

NCT02160717
View directory record Official record
Conditions
Turner Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 22 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Oct 24, 2026, 10:46 PM EDT
Withdrawn Not applicable Interventional

Intra-operative Fraction of Inspired Oxygen and Lung Injury in Coronary Artery Bypass Grafting Surgery

NCT04115501
View directory record Official record
Conditions
Lung Injury, Pulmonary Complication
Interventions
Fraction of Inspired Oxygen
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 24, 2026, 10:46 PM EDT
Withdrawn No phase listed Observational

A Zero Acute Kidney Injury Strategy for Percutaneous Coronary Intervention in Patients With ChronicKidney Disease

NCT04928092
View directory record Official record
Conditions
Acute Kidney Injury, Coronary Artery Disease, Percutaneous Coronary Intervention
Interventions
Standard of care Ultra Low Contrast PCI
Procedure
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 24, 2026, 10:46 PM EDT
Not listed Phase 1Phase 2 Interventional

Extended Cold Stored Apheresis Platelets in Cardiac Surgery Patients

NCT05220787
View directory record Official record
Conditions
Hemorrhage, Platelets; Defect, Bleeding, Surgical Blood Loss
Interventions
Cold stored platelets in 100% plasma stored for 10-14 days, Room temperature stored platelets in 100% plasma stored for up to 7 days
Biological
Lead sponsor
Moritz Stolla, MD
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 24, 2026, 10:46 PM EDT
Recruiting No phase listed Observational

Late Subclinical Cardiovascular Disease in Testicular Cancer Survivors

NCT05611307
View directory record Official record
Conditions
Testicular Cancer, Survivorship, ASCVD, Coronary Artery Disease, Lipid Disorder, Hypogonadism, Male, Cisplatin Adverse Reaction, Bone Marrow Transplant Complications
Interventions
Lipid profile, Coronary artery assessment, Hormone levels for hypogonadism
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Completed Phase 2 Interventional

Effect of Biosynthetic Growth Hormone and/or Ethinyl Estradiol on Adult Height in Patients With Turner Syndrome

NCT00001221
View directory record Official record
Conditions
Gonadal Dysgenesis, Turner's Syndrome
Interventions
Growth Hormone (Humatrope)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 24, 2026, 10:46 PM EDT
Completed Not applicable Interventional

Bladder Catheters During Ablation Procedures

NCT03635034
View directory record Official record
Conditions
Atrial Fibrillation, Catheter Ablation, Catheter Complications
Interventions
Insert bladder catheter, No catheter
Device
Lead sponsor
St. Vincent Cardiovascular Research Institute
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 24, 2026, 10:46 PM EDT
Completed Phase 1Phase 2 Interventional

BNP (Nesiritide) vs. Placebo to Protect Kidney Function in Patients Undergoing Heart Bypass Surgery.

NCT00252200
View directory record Official record
Conditions
Acute Kidney Failure
Interventions
Neseritide
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 23, 2009 · Synced Oct 24, 2026, 10:46 PM EDT
Completed No phase listed Observational

Evaluate Heart Failure Patients With Specially Designed Patient Adherence and Monitoring Software on Standard Mobile Devices

NCT01430936
View directory record Official record
Conditions
Cardiac Decompensation
Interventions
Not listed
Lead sponsor
Aventyn, Inc.
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Mineola, New York • Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Oct 24, 2026, 10:46 PM EDT
Recruiting Phase 2Phase 3 Interventional

Remote Ischemic Preconditioning for Renal and Cardiac Protection in Congestive Heart Failure (RICH) Trial

NCT04982419
View directory record Official record
Conditions
Acute Kidney Injury, Heart Failure, Contrast Induced Nephropathy, Coronary Angiography, Percutaneous Coronary Intervention
Interventions
Remote ischemic preconditioning, Sham remote ischemic conditioning
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania • Dallas, Texas • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 24, 2026, 10:46 PM EDT
Active, not recruiting Not applicable Interventional

Guideline-directed Management and Therapy (GDMT) for the Prevention of Postpartum Cardiac Dysfunction in Preeclamptic African American Women

NCT05534932
View directory record Official record
Conditions
Preeclampsia Postpartum
Interventions
Remote Patient Monitoring
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 24, 2026, 10:46 PM EDT
Active, not recruiting Not applicable Interventional

Cardiac Outcomes With Near-Complete Estrogen Deprivation

NCT05309655
View directory record Official record
Conditions
Breast Cancer, Triple Negative Breast Cancer, Cardiovascular Complications
Interventions
Adenosine Stress Cardiac Magnetic Resonance Imaging, Electrocardiogram, Computed Tomography Angiogram, Laboratory Testing, Quality of Life Survey
Drug · Diagnostic Test · Other + 1 more
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
3
States / cities
Durham, North Carolina • Winston-Salem, North Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Recruiting Phase 2 Interventional

Post-Cardiac Surgery Acute Kidney Injury Prevention by Administration of Proton Pump Inhibitor (P2 Trial)

NCT06706258
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Protonix (Pantoprazole) 40 mg q 12 hrs for 3 days, Pepcid (Famotidine) 20 mg q 12 hrs for 3 days
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 24, 2026, 10:46 PM EDT
Completed No phase listed Observational

Following Patients on Warfarin Therapy to See if Differences in Hemorrhagic Complications Exist

NCT00075985
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
17
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Denver, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 24, 2026, 10:46 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Multimodal Physiologic State Intelligence Study

NCT07814118
View directory record Official record
Conditions
Heart Failure, Cardiomyopathies, Pulmonary Hypertension, Myocarditis; Acute or Subacute, Myocarditis Due to Drug, Myocarditis Viral, Pericardial Diseases, Valvular Heart Diseases, Hypertension, Sepsis, Acute Kidney Injury, Pulmonary Edema - Acute, Pulmonary Edema With Heart Failure, Pulmonary Edemas, Acute Respiratory Distress Syndrome, Pulmonary Embolism Acute, Pulmonary Embolism (Diagnosis), Pulmonary Embolism Acute Massive, Pulmonary Embolism Subacute Massive, Venous Thrombosis Pulmonary, Venous Thrombosis (Disorder), Venous Thrombosis, Deep, Peripheral Arterial Disease, Peripheral Arterial Disease (PAD), Aortic Diseases, Muskuloskeletal Diseases, Brain Aging, Brain Aneurysm, Brain Aging Related Conditions, Ultrasound, Ultrasound Exams, Ultrasound Guidance
Interventions
OMNIPHYS Multimodal Ultrasound Imaging System
Device
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2046
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Not yet recruiting Not applicable Interventional

Tailored MgSO4 Supplementation to Reduce Complications in Pediatric Heart Surgery

NCT06564376
View directory record Official record
Conditions
AKI - Acute Kidney Injury, Arrythmia, Congenital Heart Disease
Interventions
total magnesium, ionized magnesium
Diagnostic Test · Device
Lead sponsor
West Virginia University
Other
Eligibility
0 Years to 18 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Completed Phase 3 Interventional Results available

Effect of Nitric Oxide in Cardiac Surgery Patients With Endothelial Dysfunction.

NCT02836899
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Nitric Oxide, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 24, 2026, 10:46 PM EDT
Terminated Not applicable Interventional Results available

Safe and Timely Antithrombotic Removal - Direct Oral Anticoagulants Apixaban & Rivaroxaban (STAR-D)

NCT05093504
View directory record Official record
Conditions
Hemorrhage, Surgical, Hemorrhage Postoperative, Blood Loss, Surgical, Blood Loss, Postoperative
Interventions
Sham comparator, DrugSorb-ATR system
Device
Lead sponsor
CytoSorbents, Inc
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
27
States / cities
Sacramento, California • Denver, Colorado • New Haven, Connecticut + 22 more
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 24, 2026, 10:46 PM EDT
Not listed Not applicable Interventional

Virtual Cardiac Wellness Program Following Hypertensive Disorders of Pregnancy

NCT04998942
View directory record Official record
Conditions
Hypertension in Pregnancy, Gestational Hypertension, Preeclampsia, Chronic Hypertension With Pre-Eclampsia, Eclampsia, Chronic Hypertension in Obstetric Context
Interventions
virtual cardiac wellness program, Placebo comparator
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 24, 2026, 10:46 PM EDT
Terminated Phase 3 Interventional Results available

Colchicine to Prevent Post-Pericardiotomy Syndrome and Atrial Fibrillation

NCT02177266
View directory record Official record
Conditions
Atrial Fibrillation, Post-pericardiotomy Syndrome, Constriction
Interventions
Colchicine, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Oct 24, 2026, 10:46 PM EDT
Terminated Phase 2 Interventional

A Trial of INO-1001 in Patients Undergoing Heart Surgery That Involves Heart-lung Bypass

NCT00271167
View directory record Official record
Conditions
Heart Diseases, Postoperative Complications
Interventions
INO-1001
Drug
Lead sponsor
Inotek Pharmaceuticals Corporation
Industry
Eligibility
18 Years to 90 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
5
States / cities
Boston, Massachusetts • Oklahoma City, Oklahoma • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 24, 2026, 10:46 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Risk of Oxygen During Cardiac Surgery Trial

NCT02361944
View directory record Official record
Conditions
Cardiac Surgery
Interventions
Oxygen - normoxia, Oxygen - hyperoxia
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Oct 24, 2026, 10:46 PM EDT