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ClinicalTrials.gov public records Last synced May 21, 2026, 10:57 PM EDT

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

Showing 25–46 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hypoplastic Left Heart Syndrome Clear all
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Transposition of the Great Vessels, Hypoplastic Left Heart Syndrome, Oxygen Consumption Based Assessment of Hemodynamics
Interventions
General Electric Healthcare E-COVX Gas Monitoring Module for VO2 Measurments, Edwards Continuous SVO2 Catheter and Monitoring System - 4.5 fr
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Day to 6 Months
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced May 21, 2026, 10:57 PM EDT
Not listed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
HLHS
Interventions
Longeveron Mesenchymal Stem Cells
Biological
Lead sponsor
Longeveron Inc.
Industry
Eligibility
1 Day to 1 Year
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
5
States / cities
Atlanta, Georgia • Baltimore, Maryland • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced May 21, 2026, 10:57 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Fetal Aortic Valvuloplasty Procedure, Emerge Monorail and Over-The-Wire PTCA Dilatation Catheter, Trek RX and Mini Trek RX Coronary Dilatation Catheter
Procedure · Device
Lead sponsor
Mauro H. Schenone
Other
Eligibility
Up to 45 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2036
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart, Surgery
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 1 Year
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 13, 2012 · Synced May 21, 2026, 10:57 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Lomecel-B medicinal signaling cells
Biological
Lead sponsor
Longeveron Inc.
Industry
Eligibility
Up to 12 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
10
States / cities
Los Angeles, California • Aurora, Colorado • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 21, 2026, 10:57 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Allo-hMSCs, Placebo
Drug
Lead sponsor
Longeveron Inc.
Industry
Eligibility
Up to 30 Days
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced May 21, 2026, 10:57 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Tetrology of Fallot, Heart Ventricle, Hypoplastic Left Heart
Interventions
Dexmedetomidine
Drug
Lead sponsor
Athena Zuppa
Other
Eligibility
1 Hour to 30 Days
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2013 · Synced May 21, 2026, 10:57 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Hypoplastic Right-sided Heart Complex
Interventions
Ambrisentan, Placebo
Drug · Other
Lead sponsor
Kevin Hill
Other
Eligibility
24 Months to 120 Months
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Congenital Heart Disease, Hypoplastic Left Heart Syndrome, Hypoplastic Right Heart Syndrome, d-Transposition of the Great Arteries
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
Up to 30 Days
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
4
States / cities
Atlanta, Georgia • Ann Arbor, Michigan • Charleston, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced May 21, 2026, 10:57 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
c-kit+ cells
Biological
Lead sponsor
Joshua M Hare
Other
Eligibility
1 Day to 21 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
4
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced May 21, 2026, 10:57 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Congenital Heart Disease, Hypoplastic Left Heart Syndrome
Interventions
Curosurf, Sham
Drug
Lead sponsor
University of Michigan
Other
Eligibility
1 Day to 12 Weeks
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational
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 May 21, 2026, 10:57 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Heart Defects, Congenital
Interventions
Liothyronine sodium/triiodothyronine, Cardiopulmonary bypass and cardiac surgery
Drug · Procedure
Lead sponsor
Michael Portman
Other
Eligibility
Up to 2 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced May 21, 2026, 10:57 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Tetralogy of Fallot
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 1 Year
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2016 · Synced May 21, 2026, 10:57 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia, Double Inlet Left Ventricle
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
10 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Heart Disease, Congenital, Single Ventricle, Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced May 21, 2026, 10:57 PM EDT
Terminated Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart, Congenital Heart Disease
Interventions
Oxandrolone
Drug
Lead sponsor
Carelon Research
Other
Eligibility
Up to 14 Days
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
9
States / cities
Atlanta, Georgia • Boston, Massachusetts • Ann Arbor, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced May 21, 2026, 10:57 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
passive range of motion exercise therapy
Other
Lead sponsor
Carelon Research
Other
Eligibility
Up to 35 Days
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
9
States / cities
Atlanta, Georgia • Indianapolis, Indiana • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced May 21, 2026, 10:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Congenital Heart Disease, Hypoplastic Left Heart Syndrome, Transposition of the Great Arteries, Aortic Arch Hypoplasia or Interruption
Interventions
Erythropoetin, Normal saline
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Day to 30 Days
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2020 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational
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 May 21, 2026, 10:57 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Total Anomalous Pulmonary Venous Return, Truncus Arteriosus, Pulmonary Atresia With Ventricular Septal Defect, Transposition of the Great Arteries, Double Outlet Right Ventricle, Subpulmonary VSD, Tetralogy of Fallot, Double Outlet Right Ventricle With Subaortic Ventricular Septal Defect and Pulmonary Stenosis, Cardiopulmonary Bypass
Interventions
Normoxia (with controlled re-oxygenation), Standard of care ventilation
Other
Lead sponsor
University of Michigan
Other
Eligibility
Up to 29 Days
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced May 21, 2026, 10:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Magnetic Resonance Imaging, Neurodevelopmental Testing
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
3 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced May 21, 2026, 10:57 PM EDT