Effects of SGLT2 Inhibition on Myocardial Insulin Sensitivity

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-12-01

Study Completion Date

2022-12-01

Brief Summary

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A Phase III, single-centre, randomized, 2-arm, parallel-group, double blind, placebo-controlled study, consisting of a screening phase (Days -14 to -1), a 4-week double-blind, placebo-controlled treatment phase and a 4-week follow-up phase.

Subjects: Type 2 diabetic patients and coronary artery diseases (CAD) not requiring revascularization or underwent percutaneous coronary intervention (PCI) but clinically stable at time of screening visit, with suboptimal glycaemic control (HbA1c 7.0-8.5%) on their current anti-hyperglycaemic regimen

Subjects will be randomized in a 1:1 ratio to dapagliflozin or placebo.

Subjects will undergo screening assessment in the 14-day period preceding administration of the first dose of study drug on Day 1.

The primary Objective is to assess the effect of dapagliflozin on myocardial insulin sensitivity The Secondary Objective is to assess global heart function, and metabolic systemic effects of dapagliflozin, and glycemic control.

The study aims to enroll patients with type 2 diabetes with suboptimal glycemic control, and with coronary artery diseases (CAD) not requiring revascularization or underwent percutaneous coronary intervention (PCI) but clinically stable, who have already undergone, under routine cardiological assessment, a positron emission tomography (PET) 13NH3 scan in order to assess the cardiovascular function. Thus, the study aims to assess whether the improvement in cardiac metabolism obtained with dapagliflozin is greater than that obtained with normal clinical practice (according to Standards of Care).

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Detailed Description

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Conditions

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Type2 Diabetes Mellitus Stable Coronary Artery Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Caregivers

Study Groups

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A - placebo

Green, plain, diamond shaped, film coated tablet (orally), not containing active ingredient; once daily, for 4 weeks

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

placebo

B - experimental drug

Dapagliflozin tablet available at dose of 10 mg, once daily, for 4 weeks

Group Type EXPERIMENTAL

Dapagliflozin 10Mg Tab

Intervention Type DRUG

Dapagliflozin, will be administered according to the approved posology and to the approved dose as stated by Local Health Indication and by the Drug Brochure

Interventions

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Dapagliflozin 10Mg Tab

Dapagliflozin, will be administered according to the approved posology and to the approved dose as stated by Local Health Indication and by the Drug Brochure

Intervention Type DRUG

Placebo

placebo

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Provision of informed consent prior to any study-specific procedures
2. Female or male subjects aged between 40 and 75 inclusive. Patients who have been surgically sterilized (hysterectomy or tubal-ligation) at least 12 months prior to screening, or are postmenopausal having had no regular menstrual bleeding for at least one (1) year prior to screening. Menopause will be confirmed by a plasma follicle stimulating hormone (FSH) level of \> 35 IU/mL at screening, or Women with childbearing potential willing not to initiate pregnancy during the course of the study, and non-nursing women.

Men having relationships with women with childbearing potential willing not to procure a pregnancy during the course of the study;
3. Patients with type 2 diabetes
4. Patients with established, stable CAD, defined as ≥30% coronary stenosis in at least one major coronary vessel on invasive coronary angiography (ICA) or computed tomography angiography (CTA) performed within 12 months from screening and no indication to revascularization or with no evidence of critical restenosis, if previously subjected to percutaneous coronary intervention (PCI) (\>6months).
5. Patients with a clinical indication for 13N-ammonia PET-CT, as established by a cardiologist, nuclear medicine physician or diabetologist.
6. Patients with a body mass index (BMI) equal or greater than 25 kg/m2 but less than 35 kg/m2 \[BMI = Weight (kg) / Height squared (m2)\]
7. Patients with a HbA1c between 7.0% and 8.5%, according to the actual clinical conditions of the patients;
8. Patients with diabetes duration \<10 years;
2. History of diabetic ketoacidosis or hyperosmolar non-ketotic coma
3. NYHA class III or IV
4. Unstable angina
5. Previous re-vascularisation (either percutaneous coronary intervention or coronary artery bypass graft) in the last \<6 months before screening
6. Reduced left ventricular ejection fraction (≤ 50%)
7. Increased likelihood of developing diabetic ketoacidosis (history of DKA, alcohol consumption, volume depletion dehydration, clinical conditions causing diarrhea, vomit and anorexia)
8. Moderate to severe renal impairment (eGFR\<60 ml/min/1.73m2 as calculated by the modification of diet in renal disease \[MDRD\] equation or end-stage renal disease); overt proteinuria, defined as Spot urine Microalbumin/Cr ratio of \>300 mg/g at screening (Visit 0)
9. Severe liver dysfunction
10. Asthma
11. Uncontrolled blood pressure
12. Symptomatic tachy- or bradyarrhythmias
13. Previous acute myocardial infarction
14. Contraindications to adenosine: known hypersensitivity to adenosine or to any of the excipients; sick sinus syndrome, second or third degree atrio-ventricular block (except in patients with a functioning artificial pacemaker); chronic obstructive lung disease with evidence of bronchospasm (e.g. bronchial asthma ); long QT syndrome; severe hypotension; decompensated states of heart failure
15. Use of pioglitazone; use of loop diuretics; basal-bolus insulin therapy; use of systemic steroids less than 3 days prior to the screening visit (Visit 0)
16. Known hypersensitivity to the active substance or to any of the excipients in study drug
17. Inability to provide informed consent
18. Participation in another clinical study with an investigational product during the previous 30 days
19. Patients with history of breast, bladder and prostate cancer
20. Patients who will undergo surgical procedures
21. Patients with acute urinary tract infection
22. Patients with history of intolerance to galactose and lactose
23. Severe/uncontrolled medical conditions, causing liquid volume depletion