About this trial
The study team will examine the effects of SGLT2i (and SGLT2i-induced increases in plasma ketone concentrations) on skeletal muscle and cardiac ketone uptake, skeletal muscle bioenergetics, cardiopulmonary exercise capacity, and patient-reported functional outcomes.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
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
Disqualifiers
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
Trial design
Parallel
Treatments tested in this trial
Empagliflozin 25 MG
DrugEmpagliflozin 25MG will be administered orally once per day for 3 months
Placebo
DrugThe placebo will be administered orally once per day for 3 months
Treatment groups
Trial outcomes
Primary outcomes
Change in Phosphocreatine
A measure of phosphocreatine change from baseline to study end
Change in Adenosine Triphosphate (ATP)
A measure of ATP change from baseline to study end
Change in Inorganic Phosphate
A measure of inorganic phosphate change from baseline to study end
Change in Phosphodiester
A measure of phosphodiester change from baseline to study end
Secondary outcomes
Plasma Beta-hydroxybutyrate (β-OH-B)
Change in β-OH-B
Acetoacetate concentrations
Change in acetoacetate concentrations
Cardiopulmonary Function
Change in cardiopulmonary functional capacity using oxygen uptake (VO2)
6 minute walk test
Change in the distance that can be covered in a 6 minute walk test
Sponsors and contacts
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The University of Texas Health Science Center at San Antonio
Lead sponsor
Doris Duke Charitable Foundation
Collaborator
Max and Minnie Tomerlin Voelcker Fund
Collaborator