About this trial
In this multicenter, randomized, placebo-controlled trial in pre-heat failure patients with hypertension and without diabetes, we will enroll 120 eligible patients to randomized to receive placebo or engagliflozin (10mg/d) for follow them for 6 months. The primary endpoint is the left atrial volume index, which reflects left ventricular diastolic function. We sought to comprehensively evaluate the effect of engagliflozin on the structure and function and explore its underlying mechanisms.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Aged 18 years and above.
Hypertensive patients currently taking at least one antihypertensive medication as recommended by guidelines, and blood pressure is within the target range (<140/90 mmHg).
Left atrial volume index > 34 mL/m² measured by echocardiography;
Average E/e' > 9 measured by echocardiography;
Disqualifiers
History of diabetes.
History of heart failure.
History of myocardial infarction, acute coronary syndrome within the past 6 months, or planned coronary revascularization within the next 6 months
Left ventricular systolic dysfunction, defined as LVEF < 50%.
Trial design
Parallel
Treatments tested in this trial
Empagliflozin 10 MG
DrugEach participant in the empagliflozin treatment group takes a daily dose of 10mg.
Placebo
DrugEach participant in the placebo group takes matching placebo.
Treatment groups
Trial outcomes
Primary outcomes
Change of left atrial volume index
Changes in Left Atrial Volume Index (LAVI, mL/m2) as measured by MRI from baseline to 6 months.
Secondary outcomes
Change of cardiac structure and functional
1. Left ventricular functional indicators: Echocardiography/Magnetic Resonance Imaging measured Left Ventricular Ejection Fraction (LVEF, %), the ratio of early mitral inflow velocity to early diastolic mitral annular velocity (E/e', cm/s), and Global Longitudinal Strain (GLS, %). 2. Left ventricular structural indicators: Echocardiography/Magnetic Resonance Imaging measured Left Ventricular Mass Index (LVMI, g/m2). 3. Left atrial functional indicators: Echocardiography/Magnetic Resonance Imaging measured Left Atrial Ejection Fraction (LAEF, %) and echocardiography measured Left Atrial Volume Index (LAVI, mL/m2).
Biomarkers
Biomarker concentrations were measured as follows: 1. NT-pro BNP in picograms per milliliter (pg/mL). 2. Cardiac Troponin I in nanograms per milliliter (ng/mL). 3. Cardiac Fibrosis Biomarkers, including Collagen type I alpha 1 (Col1A1) in nanograms per milliliter, Matrix Metalloproteinases (MMP-2, MMP-3, MMP-4) in picograms per milliliter (pg/mL) and soluble ST2 protein (sST-2) in nanograms per milliliter (ng/mL). 4. Inflammation Biomarkers, including High-sensitivity C-reactive protein (hs-CRP) in milligrams per liter (mg/L) and Interleukin-6 (IL-6), Interleukin-1β (IL-1β), and Galectin-3 (Gal-3) in picograms per milliliter (pg/mL).
Estimated Glomerular Filtration Rate (eGFR)
Change of eGFR
Sponsors and contacts
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