The clinical benefits of the dual Sodium-Glucose cotransporter (SGLT) 1 and 2-inhibition have recently been reported in two clinical trials. The SOLOIST reported the benefits of sotagliflozin in Type-2 Diabetes Mellitus (T2DM) patients hospitalized for worsening of Heart Failure (HF), while the SCORED involved T2DM patients with Chronic Kidney Disease (CKD). It is worth noting that not only did the event curves separate within the first week post-treatment, but the effects of sotagliflozin on HF-related outcomes were observed regardless of Left Ventricular Ejection Fraction (LVEF) values and did not seem to attenuate with increasing LVEF as seen with empagliflozin and sacubitril/valsartan. Despite the favorable outcomes, the mechanism(s) of action through which sotagliflozin exerts these benefits remains unclear. The present study aims to investigate the potential (non-glucose dependent) "cardio-renal" pleiotropic effects of sotagliflozin in a mechanistic, randomized, double blind, placebo-control trial in HF patients with preserved ejection fraction (HFpEF). Comparisons between treatment groups will be made using cardiac MRI, CPET, 6-MWT and KCCQ-12.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
88
Daily administration of sotagliflozin (2x200 mg, PO, OD) for 6 months.
Matching placebo for 6 months.
Icahn School of Medicine at Mount Sinai
New York, New York, United States
Changes in Left Ventricular mass in CMRI
Changes in Left Ventricular (LV) mass at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in Left Ventricular end-systolic volume
Changes in left ventricular end-systolic volume (LVESV) in CMRI at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in Left Ventricular end-diastolic volume
Changes in left ventricular end-diastolic volume (LVEDV) in CMRI at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in extracellular volume (ECV)
Changes in extracellular volume (ECV) to assess Left Ventricular interstitial myocardial fibrosis as quantified using T1 mapping at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in Left atrial volume index
Changes in Left atrial volume index measured by CMRI at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in Peak oxygen consumption (peakVO2)
Changes in exercise capacity as assessed by peak oxygen consumption in Cardiopulmonary exercise test (CPET) at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes 6 minute walk test
Changes in exercise tolerance as assessed by 6 minute walk test, or the distance covered over a time of 6 minutes, at 6 months compared to baseline
Time frame: Baseline and 6 months
Changes in The Kansas City Cardiomyopathy Questionnaire (KCCQ)
Changes in The KCCQ at 6 months compared to baseline. The KCCQ is the most widely used instrument to evaluate quality of life in Heart Failure (HF). The KCCQ is a 12-item self-administered questionnaire used to measure the patient's perception of their health status. The KCCQ is a disease-specific health status instrument composed of 12 items that quantifies the domains of physical limitations, symptoms, self-efficacy, social limitation and quality of life from heart failure. Full scale range is from 0 to 100; higher scores reflect better health status.
Time frame: Baseline and 6 months
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