Impact of Empagliflozin on Functional Capacity in Heart Failure With

Status Completed

Clinical Trial Summary

Sodium-Glucose Cotransporter-2 (SGLT-2) inhibitors generally and empagliflozin specifically have shown cardiovascular benefits in patients with heart failure (HF), but the underlying mechanisms remain unclear. Empagliflozin use resulted in lower pulmonary artery diastolic pressures in patients with HF, suggesting a beneficial diuretic effect. Other potential mechanisms include increased blood volume, decreased blood pressure, and changes in sympathetic and neuro-hormonal activation. This study is a single-arm, open label, prospective interventional study of 8 subjects with heart failure with preserved ejection fraction (HFpEF). Before and after 12 weeks of daily empagliflozin, participants with undergo comprehensive invasive exercise testing with a right heart catheter. Our goal is to evaluate the effects of empagliflozin on fitness, assessed by peak VO2, and peak left ventricular filling pressure, assessed by pulmonary capillary pressure at peak exercise.

Clinical Trial Description

This is a single-arm, open label, pilot study of 8 subjects with HFpEF. The subjects will undergo screening tests (exercise stress echo and blood work) to evaluate for potential exclusion criteria and provide familiarization to the exercise protocol. Those included will undergo an echocardiogram and invasive cardiopulmonary exercise test. This involves placement of a right heart catheter in the pulmonary artery and undergoing seated, upright exercise. During the exercise test, the subject's oxygen uptake (VO2), intra-cardiac pressures (right atrial pressure, pulmonary capillary wedge pressure) and cardiac output (Qc) will be measured. The subject will take a dose of empagliflozin in the lab and wait for at least 60 minutes. They will repeat a shortened version of the exercise test in the afternoon. After baseline testing, each subject will take 10mg empagliflozin daily for 12 weeks. They will have repeat blood work (specific electrolytes and renal function) 30 days after starting medication to screen for renal injury. After 12 weeks, they will return for another invasive cardiopulmonary exercise test and echocardiogram. ;

Study Design

Related Conditions & MeSH terms

Diabetes Mellitus
Heart Failure
Heart Failure With Preserved Ejection Fraction
Heart Failure, Diastolic

Clinical Trial Details

NCT number	NCT05139472
Study type	Interventional
Source	University of Texas Southwestern Medical Center
Contact
Status	Completed
Phase	Phase 3
Start date	November 9, 2021
Completion date	February 19, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Impact of Empagliflozin on Functional Capacity in Heart Failure With Preserved Ejection Fraction

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms