Hypoplastic Left Heart Clinical Trials

1 recruitingLast updated: May 5, 2026

There are 7 actively recruiting hypoplastic left heart clinical trials across 12 countries. Studies span Phase 2, Phase 3. Top locations include Columbus, Ohio, United States, Atlanta, Georgia, United States, Aurora, Colorado, United States. Updated daily from ClinicalTrials.gov.


Hypoplastic Left Heart Trials at a Glance

7 actively recruiting trials for hypoplastic left heart are listed on ClinicalTrialsFinder across 6 cities in 12 countries. The largest study group is Phase 2 with 1 trial, with the heaviest enrollment activity in Columbus, Atlanta, and Aurora. Lead sponsors running hypoplastic left heart studies include Children's Hospital Medical Center, Cincinnati, Institut National de la Santé Et de la Recherche Médicale, France, and Beijing Anzhen Hospital.

Browse hypoplastic left heart trials by phase

About Hypoplastic Left Heart Clinical Trials

Looking for clinical trials for Hypoplastic Left Heart? There are currently 1 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Hypoplastic Left Heart trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Hypoplastic Left Heart clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 17 of 7 trials

Recruiting

Prenatal Maternal Mental Health and Neurodevelopment in Congenital Heart Disease

Hypoplastic Left Heart SyndromeCongenital Heart DiseaseCyanotic congenital heart disease+1 more
Institut National de la Santé Et de la Recherche Médicale, France87 enrolled5 locationsNCT06711666
Recruiting
Phase 3

Cardiac Stem/Progenitor Cell Infusion in Univentricular Physiology (APOLLON Trial)

Hypoplastic Left Heart SyndromeSingle Ventricle
Metcela Inc.40 enrolled4 locationsNCT02781922
Recruiting
Phase 2

Two-Year Study of the Safety and Efficacy of the Second-Generation Tissue Engineered Vascular Grafts

Cardiovascular DiseasesHeart DiseasesCardiovascular Abnormalities+8 more
Nationwide Children's Hospital24 enrolled1 locationNCT04467671
Recruiting

National Collaborative to Improve Care of Children With Complex Congenital Heart Disease

Hypoplastic Left Heart Syndrome (HLHS)
Children's Hospital Medical Center, Cincinnati1,000 enrolled63 locationsNCT02852031
Recruiting

NIRS in Congenital Heart Defects - Correlation With Echocardiography

congenital heart defectTetralogy of FallotCoarctation of Aorta+8 more
McGill University Health Centre/Research Institute of the McGill University Health Centre100 enrolled1 locationNCT04106479
Recruiting

Effect of Fetal Aortic Valvuloplasty on Outcomes

Hypoplastic Left Heart SyndromeCongenital Heart DiseaseAortic Valve Stenosis+1 more
Queen Silvia Children's Hospital, Gothenburg, Sweden200 enrolled13 locationsNCT05386173
Recruiting

An Integrated Prenatal and Postnatal Treatment Model for the Treatment of Newborns With Critical Congenital Heart Disease

Coarctation of AortaCongenital Heart DiseaseAortic Stenosis+9 more
Beijing Anzhen Hospital10,000 enrolled1 locationNCT06768008