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Showing 1–24 of 686 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cardiac Complication Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available

Risk Factors, Costs, and Impacts of ED Boarding

NCT07532564
View directory record Official record
Conditions
Stroke (CVA) or TIA, Diabetes, Asthma (Diagnosis), COPD (Chronic Obstructive Pulmonary Disease), Sepsis, Hypertension, Heart Failure, Pneumonia, Urinary Tract Infection (Diagnosis), Chest Pain, Psychiatric Disorder, Sickle Cell Disease (SCD)
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
30,486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 6, 2026, 1:52 PM EDT
Recruiting Phase 3 Interventional

Ultra-Low Contrast Angiography in AKI

NCT05906758
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Angiography
Procedure
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 100 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 2 Interventional Results available

Role of Endothelin in Microvascular Dysfunction Following PCI for NSTEMI

NCT00586820
View directory record Official record
Conditions
Myocardial Reperfusion Injury
Interventions
BQ-123, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Not applicable Interventional

Prematurity Related Ventilatory Control (PRE-VENT) - Specific Aim 3

NCT03333174
View directory record Official record
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 98 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 4 Interventional Results available

Attenuation of the Side Effect Profile of Regadenoson: Study With Aminophylline in Patients With Severe Kidney Disease Undergoing Myocardial Perfusion Imaging

NCT01336140
View directory record Official record
Conditions
Patients With Severe Chronic Kidney Disease Being Evaluated With Nuclear Stress Testing of the Heart Using the Stress Agent Regadenoson
Interventions
Aminophylline, Placebo
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Ultrafiltration in Treating People With Acute Decompensated Heart Failure and Cardiorenal Syndrome (The CARRESS Study)

NCT00608491
View directory record Official record
Conditions
Heart Failure
Interventions
Stepped pharmacologic care, Ultrafiltration
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
8
States / cities
Phoenix, Arizona • Atlanta, Georgia • Minneapolis, Minnesota + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2013 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Not applicable Interventional

Feeding During Ibuprofen or Indomethacin Treatment of Preterm Infants

NCT00728117
View directory record Official record
Conditions
Patent Ductus Arteriosus
Interventions
feeding, fasting
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
23 Weeks to 33 Weeks
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
14
States / cities
San Francisco, California • San Jose, California • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced Sep 6, 2026, 1:52 PM EDT
Withdrawn No phase listed Observational

Electrocardiography Versus Pulse Oximetry for Newborn Heart Rate Determination

NCT01256346
View directory record Official record
Conditions
Prematurity
Interventions
Apparatuses
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
Up to 20 Minutes
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Early Phase 1 Interventional

Safety and Efficacy of ProQuad® in Children 6-24 Month Being Evaluated for Solid Organ Transplant

NCT02687763
View directory record Official record
Conditions
RENAL INSUFFICIENCY, CHRONIC, LIVER FAILURE, ACUTE, HEART DISEASE
Interventions
ProQuad
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
6 Months to 24 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Sep 6, 2026, 1:52 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 23, 2026 · Synced Sep 6, 2026, 1:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multicenter Imaging in Lead Extraction Study

NCT03772704
View directory record Official record
Conditions
Mechanical Complication of Cardiac Electronic Device
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
4
States / cities
Saint Paul, Minnesota • Manhasset, New York • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Sep 6, 2026, 1:52 PM EDT
Recruiting No phase listed Observational

Improving Patient-Centered Care for Underserved Older African American Patients With Cardiovascular Comorbidities

NCT07748858
View directory record Official record
Conditions
Cardiovascular, Comorbidity, Diabetes, Inflammatory Joint Diseases, Chronic Kidney Diease, Chronic Obstructive Pulmonary Disease (COPD), Cardiovascular Disease
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years to 99 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 6, 2026, 1:52 PM EDT
Terminated Not applicable Interventional

Multi-Center Trial Utilizing Low Frequency Ultrasound in the Prevention of Post-Contrast Acute Kidney Injury

NCT04877847
View directory record Official record
Conditions
Contrast-induced Nephropathy, Chronic Kidney Diseases
Interventions
Low-frequency therapeutic ultrasound (LOTUS), LOTUS System with Ultrasound Disabled
Device
Lead sponsor
Sonogenix
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Detroit, Michigan • Petoskey, Michigan • Pittsburgh, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Sep 6, 2026, 1:52 PM EDT
Terminated Not applicable Interventional

Transcutaneous Autonomic Modulation in Thoracic Surgery

NCT02783157
View directory record Official record
Conditions
Atrial Fibrillation, Postoperative, Postoperative Complications, Inflammation
Interventions
Transcutaneous Low-Level Vagal Nerve Stimulation (LLVNS), Sham LLVNS
Device
Lead sponsor
Duke University
Other
Eligibility
40 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2020 · Synced Sep 6, 2026, 1:52 PM EDT
Active, not recruiting No phase listed Observational

Acute Kidney Injury Genomics and Biomarkers in TAVR Study

NCT02791880
View directory record Official record
Conditions
Acute Kidney Injury, Renal Insufficiency, Chronic, Heart Failure, Myocardial Infarction, Arrhythmias, Cardiac, Stroke
Interventions
Transcatheter Aortic Valve Replacement
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2031
U.S. locations
3
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 6, 2026, 1:52 PM EDT
Terminated Phase 1 Interventional

Initiating Transdermal Estradiol Therapy in Turner's Syndrome

NCT00870220
View directory record Official record
Conditions
Turner's Syndrome
Interventions
Norditropin, Menostar 14mcg patch, Vivelle dot 25mcg patch
Drug
Lead sponsor
University of Chicago
Other
Eligibility
138 Months to 13 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Sep 6, 2026, 1:52 PM EDT
Recruiting Phase 4 Interventional

Randomized Trial of SGLT2i in Heart Transplant Recipients

NCT06625073
View directory record Official record
Conditions
Heart Transplant, Cardiovascular Disease, Kidney Disease
Interventions
Empagliflozin, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
6
States / cities
Palo Alto, California • Nashville, Tennessee • Houston, Texas + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 6, 2026, 1:52 PM EDT
Withdrawn No phase listed Observational

Study to Determine the Impact of Intraoperative Blood Pressure Management on Postoperative Outcomes (MAP-ALIVE)

NCT02019342
View directory record Official record
Conditions
Death, Postoperative Complications, Myocardial Infarction, Stroke, Renal Failure
Interventions
FACE quality improvement initiative (see below), Pre-quality improvement initiative
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Ann Arbor, Michigan • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 6, 2026, 1:52 PM EDT
Completed No phase listed Observational

Carotid Ultrasound to Identify Head and Neck Cancer Survivors With High Cardiovascular Risk After Radiation Therapy

NCT05490875
View directory record Official record
Conditions
Head and Neck Cancer, Carotid Artery Stenosis, Cardiovascular Complication
Interventions
Carotid ultrasound, Blood draw, Survey
Procedure · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 4 Interventional Results available

Rapid Sternal Closure System (TALON)

NCT00638014
View directory record Official record
Conditions
Sternal Wound Infection, Mediastinitis
Interventions
Rapid Sternal Closure System, Conventional wire closure
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 1, 2011 · Synced Sep 6, 2026, 1:52 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 3, 2008 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 2 Interventional

A Pilot Study to Investigate Fenoldopam Usage in the Prevention of Postoperative Renal Dysfunction in Patients at a High Risk for Renal Impairment During Cariopulmonary Bypass for Cardiac Surgery

NCT00467181
View directory record Official record
Conditions
Cardiac Surgery With Cardiopulmonary Bypass
Interventions
Fenoldopam
Drug
Lead sponsor
Summa Health System
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 29, 2008 · Synced Sep 6, 2026, 1:52 PM EDT
Completed No phase listed Observational

Radial Versus Femoral Arterial Access for Cardiac Catheterization: Comparison of Complications at 30 Days

NCT01019330
View directory record Official record
Conditions
Radial Artery Occlusion
Interventions
Allen's test, Distal pulses
Other
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 29, 2015 · Synced Sep 6, 2026, 1:52 PM EDT
Completed Phase 3 Interventional

Study to Evaluate the Safety of Twice Daily Oral Carvedilol

NCT00129363
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Carvedilol
Drug
Lead sponsor
Shaddy, Robert, M.D.
Individual
Eligibility
1 Day to 17 Years
Enrollment
75 participants
Timeline
2002 – 2006
U.S. locations
17
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2008 · Synced Sep 6, 2026, 1:52 PM EDT