Condition
Hypoplastic Left Heart Syndrome (HLHS) clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Hypoplastic Left Heart Syndrome (HLHS) clinical trials that are recruiting, at sites in 5 countries (most in Canada (1), United Kingdom (1), United States (1)). 1 was first registered in the last 30 days. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 1New in 30 days
- 5Countries
Newest Hypoplastic Left Heart Syndrome (HLHS) clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Long-term safety follow-up after autologous cardiac stem cells in kids with single ventricle heart disease | — | Okayama, Okayama-ken | Recruiting | Oct 20, 2026 |
| Integrated prenatal and postnatal treatment for newborns with critical congenital heart disease | — | Beijing | Recruiting | Jan 10, 2025 |
| Improving care for infants with complex heart conditions | — | Birmingham, Alabama and 62 other locations | Recruiting | Aug 2, 2016 |
All recruiting trials (3)
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Long-term safety follow-up after autologous cardiac stem cells in kids with single ventricle heart disease
This study checks whether autologous cardiac stem cells (JRM-001) remain safe for up to a year in children who already received them after heart reconstructive surgery.
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Integrated prenatal and postnatal treatment for newborns with critical congenital heart disease
This study is testing a new approach that combines care before and after birth for newborns with serious heart defects to see if it can improve their treatment and recovery.
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Improving care for infants with complex heart conditions
This study is trying to improve the care and outcomes for infants with Hypoplastic Left Heart Syndrome by collecting important health information and involving parents in their treatment.
Related topics
Quick answers
How many Hypoplastic Left Heart Syndrome (HLHS) clinical trials are recruiting right now?
3, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 5 countries. The most sites are in Canada (1 trial), United Kingdom (1 trial), United States (1 trial), China (1 trial), Japan (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.