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ClinicalTrials.gov public records Last synced May 22, 2026, 12:49 AM EDT

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

Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hypoplastic Left Heart Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Aortic Stenosis, Hypoplastic Left Heart Syndrome
Interventions
Fetal Aortic Valvuloplasty
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2023 · Synced May 22, 2026, 12:49 AM EDT
Not listed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Atrioventricular Canal
Interventions
MPC; rexlemestrocel-L
Biological
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 5 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
8 Years to 18 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced May 22, 2026, 12:49 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
autologous cell-based delivery
Biological
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
Up to 18 Months
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
6
States / cities
Los Angeles, California • Aurora, Colorado • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Single Ventricle Defect
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Months to 10 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2018 · Synced May 22, 2026, 12:49 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome (HLHS)
Interventions
Collaborative Learning Network
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 15 Months
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 53 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Heart Disease
Interventions
Sildenafil by injection
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Months to 120 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heart Defects, Congenital, Hypoplastic Left Heart Syndrome, Single Ventricle Defect, Stress, Psychological
Interventions
Early palliative care team consultation
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced May 22, 2026, 12:49 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Congenital Heart Disease, Aortic Valve Stenosis, Fetal Cardiac Disorder, Hypoplastic Left Heart Syndrome
Interventions
Fetal aortic balloon dilatation
Procedure
Lead sponsor
Queen Silvia Children's Hospital, Gothenburg, Sweden
Other
Eligibility
23 Weeks to 31 Weeks
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
2
States / cities
San Francisco, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced May 22, 2026, 12:49 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Not listed
Lead sponsor
HeartWorks, Inc.
Other
Eligibility
0 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2050
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
29 Months to 6 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 26, 2013 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tetralogy of Fallot (TOF), Hypoplastic Left Heart Syndrome (HLHS)
Interventions
3D-printed heart models and augmented reality
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome (HLHS)
Interventions
Collection of umbilical cord blood
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Female only
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
2
States / cities
Rochester, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced May 22, 2026, 12:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
Interventions
Vitamin C, Placebo
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 25 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced May 22, 2026, 12:49 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
HLH - Hypoplastic Left Heart Syndrome, DORV, DILV - Double Inlet Left Ventricle, Mitral Atresia, Tricuspid Atresia, Unbalanced AV Canal, Single-ventricle, Heart Defects, Congenital, Cardiovascular Abnormalities, Cardiovascular Diseases, Heart Diseases
Interventions
Tissue Engineered Vascular Grafts
Combination Product
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced May 22, 2026, 12:49 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Autologous Umbilical Cord Blood
Biological
Lead sponsor
Michael Cotten
Other
Eligibility
Up to 2 Days
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced May 22, 2026, 12:49 AM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Obstructive Sleep Apnea Syndrome, Single Ventricle Physiology
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
1 Month to 2 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced May 22, 2026, 12:49 AM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Congenital Heart Disease, SRV Dependent
Interventions
Autologous mononuclear cells
Biological
Lead sponsor
Timothy J Nelson, MD, PhD
Other
Eligibility
2 Years to 5 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced May 22, 2026, 12:49 AM EDT
Active, not recruiting Phase 2 Interventional Results available
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 May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Up to 3 Years
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 60 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
10
States / cities
Los Angeles, California • Wilmington, Delaware • St. Petersburg, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Years to 5 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced May 22, 2026, 12:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypoplastic Left Heart, Congenital Heart Disease, Cyanotic Congenital Heart Disease, Cardiac Disease
Interventions
Norwood Palliation / DKS / Damus-Kaye-Stansel procedure
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 2 Months
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2020 · Synced May 22, 2026, 12:49 AM EDT
Not yet recruiting Phase 1 Interventional
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Ventrix Bio Extracellular Matrix
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 1 Year
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced May 22, 2026, 12:49 AM EDT