Diabetes Drug's hidden power: could it boost heart and muscle energy?
NCT ID NCT05057806
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how a common diabetes drug (SGLT2 inhibitor) changes the way the heart and muscles use energy from ketones. Researchers want to see if these changes can improve exercise ability and daily function in 30 adults with type 2 diabetes and heart failure. Participants will take the drug and undergo tests like MRI scans and walking tests to measure energy levels and heart function.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2021
- Expected to finish
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Mar 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 to 80 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Type 2 Diabetes Mellitus * Class II-III New York Heart Association (NYHA) heart failure and reduced ejection fraction (EF) \<50% * Age 18-80 years * BMI 23-38 kg/m2 * Glycated hemoglobin (HbA1c) 5.5-10% * Blood Pressure (BP) ≤ 145/85 mmHg * Estimated glomerular filtration rate (eGFR) ≥30 ml/min•1.73 m2 * Stable dose of guideline-directed medications for heart failure and Diabetes * Stable body weight (±4 pounds) over the last 3 months * Does not suffer from severe claustrophobia * No contraindication for MRI (metal plates, screws, shrapnel, pins, or cardiac pacemaker) Exclusion Criteria: * Subjects treated with an SGLT2 inhibitor, a glucagon-like peptide-1 receptor agonist (GLP-1 RA) or pioglitazone * Pregnancy, lactation or plans to become pregnant * Allergy/sensitivity to study drugs or their ingredients * Cancer * Current drug or alcohol use or dependence * Inability or unwillingness of individual or legal guardian/representative to give written informed consent
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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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University of Texas Health Science Center at San Antonio
RECRUITINGSan Antonio, Texas, 78229, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can yoga classes rival standard rehab for a failing heart?
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- Heart failure drug probed for hidden benefit on lung pressure
- Can a heart rate drug keep heart failure patients out of the hospital?