Could a common diabetes drug help adult heart defect patients?
NCT ID NCT06260059
First seen Jun 27, 2026 · Last updated Sep 18, 2026 · Updated 2 times
Summary
This study tests whether Empagliflozin (Jardiance), a drug used for diabetes and heart failure, can help adults born with heart defects who now have a weakened heart. Forty participants will receive either the drug or a placebo for one year. Researchers will measure changes in heart function, exercise ability, and hospitalizations.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Empagliflozin (Jardiance)
- What this could lead to
- If it works, this could point toward a new treatment option for adults with congenital heart disease who develop heart failure.
- What could go wrong
- This is a small, early-phase trial with only 40 participants, so results may not apply to everyone. The drug may not improve heart function or exercise capacity as hoped.
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 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2024
- Expected to finish
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Jun 2027
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: * Diagnoses of Congenital Heart Disease * Age 18+ * ACHD level of structural complexity II or III * Recent (\<6 months) decrease in systemic Ejection Fraction (confirmed by cardiac Echocardiogram, Computed Tomography or cMRI) to EF \< 60% * Recent decrease in systemic ejection fraction confirmed by cardiac Echo, CT or MRI by \> 5% in the last 6 months or less. * Must be able to complete neurocognitive assessments on a handheld computer. Exclusion Criteria: * Diagnosed with Diabetes * Contraindication to Jardiance/Entresto or any heart failure medication (per guideline-directed therapy, 2022). * Previous therapy with Jardiance at \<4 weeks * Glomerular Filtration Rate \<20 * Pregnancy, breastfeeding, or planning to become pregnant in the coming year * History of liver disease - including non-alcoholic fatty liver disease (NAFLD) and cirrhosis * History of inborn error(s) of metabolism (including but is not exclusive of Glycogen storage disease type 1) * Glucose-galactose malabsorption, familial hyperinsulinism, maple syrup urine disease, * Gaucher disease, * Tay-Sachs disease, * Mucolipidosis IV, * Niemann-Pick disease, * Type A mitochondrial disease, * Metabolic disorders related to glucose metabolism
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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.
Contacts and locations
Locations
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Children's Hospital of Pittsburgh
Pittsburgh, Pennsylvania, 15224, United States
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Magee Women's Hospital
Pittsburgh, Pennsylvania, 15213, United States
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Presbyterian Hospital
Pittsburgh, Pennsylvania, 15213, United States
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Other studies related to the condition(s) this trial covers.
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