Could entresto help adult hearts born with defects?
NCT ID NCT06693674
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether the drug Entresto (sacubitril-valsartan) can improve heart structure and function in adults with congenital heart disease. 45 participants will take either Entresto or a placebo for 52 weeks. Researchers will measure heart changes, blood markers, and quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Entresto (sacubitril-valsartan)
- What this could lead to
- If it works, this could point toward a treatment to improve heart function and daily life for adults with congenital heart disease.
- What could go wrong
- This is a small, early-phase trial with only 45 people, so results may not apply to everyone. The drug also has risks like low blood pressure and high potassium.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 45 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Congenital Heart Disease Diagnosis * Age 18 or Older Exclusion Criteria: * Stage IV chronic kidney disease defined as creatinine clearance \<30 ml/min * Hyperkalemia defined as serum potassium \>5.2 mmol/l, * Hypotension defined as systolic blood pressure \<100 mmHg, * History of angioedema related to previous ACE or ARB therapy * Patients diagnosed with diabetes using Aliskiren, * Pregnancy. * Drug Therapies * Amifostine * Droperidol * Dantrolene * CYP3A4 Inhibitors * Obinutuzumab * Aliskiren * Lithium * Sparsentan * ACE inhibitor * ARB * ARNI
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Mayo Clinic in Rochester
RECRUITINGRochester, Minnesota, 55905, United States
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