About this trial
The primary purpose of this study is to evaluate the efficacy of DAPA for the treatment of coronary microvascular dysfunction (CMD) among patients with angina and no obstructive coronary artery disease (ANOCA) and established CMD as compared to placebo.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Participant is older than 18 years of age
Participant is willing and able to sign informed consent
Participant is willing to comply with the specified follow-up evaluations
Anginal Symptoms (chest pain, pressure, dyspnea on exertion, or anginal equivalents
Disqualifiers
Clinical Diagnosis Type 1 or 2 diabetes on medical treatment
Clinical Diagnosis of Heart failure with preserved ejection fraction (HFpEF)
Symptomatic Postural Orthostatic Tachycardia Syndrome (POTS)
History of coronary artery bypass graft (CABG)
Trial design
Parallel
Treatments tested in this trial
Dapagliflozin (10mg Tab)
DrugThe study will be double blinded by over encapsulation of Dapagliflozin with a matching lactose powder capsule used for the placebo group. All enrolled participants who meet inclusion / exclusion will receive either 10 mg Dapagliflozin (10mg) for 180 days, or placebo, randomized 1:1.
Placebo ( FE)
DrugOver encapsulated placebo to match active drug.
Treatment groups
Trial outcomes
Primary outcomes
Change in quantitative myocardial perfusion reserve index (MPRI)
Change from baseline in the dapagliflozin group compared with the placebo group. A normal MPRI value is usually above 2.0. A value below 1.5 often points to reduced blood flow or poor heart function.
Secondary outcomes
Tissue Characterization by Cardiac MRI
Change in native T1 relaxation time (ms), T2 relaxation time (ms) to quantify diffuse and focal myocardial fibrosis, edema, and tissue composition.
Cardiac Structure and Function by Cardiac MRI
Change in left ventricular end-diastolic volume index (LVEDVi, mL/m²) and left ventricular end-systolic volume index (LVESVi, mL/m²).
Cardiac Strain by Cardiac MRI
Change in segmental strain parameters by calculating the global longitudinal strain (GLS, %), global circumferential strain (GCS, %), global radial strain (GRS, %).
Epicardial Adipose Tissue (EAT) by Cardiac MRI
Total epicardial adipose tissue volume (mL) quantified from cardiac magnetic resonance imaging
Locations
Sponsors and contacts
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