- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06128096
The Effect of SGLT-2 Inhibitors on Epicardial Adipose Tissue and Cardiac Function in T2DM Patients With CAD (EpiCAD) (EpiCAD)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder affecting at least 90% of the population with diabetes globally (Bhupathiraju & Hu, 2016). T2DM is a disorder characterized insulin resistance, insufficient insulin production, and eventual pancreatic beta-cell failure (Cantley & Ashcroft, 2015).The global prevalence of T2DM has been increasing steadily, with an estimate of 463 million individuals suffering from T2DM in 2019 and the number is projected to increase by 15.7% in 2030 (Saeedi et al., 2019). T2DM is also increasing at an alarming rate in Malaysia and as of 2019 (Akhtar et al., 2022), approximately 3.5 million (17.5%) Malaysians were diagnosed with T2DM, which doubled in number since 1996 (8.3%) (Zhu et al., 2019).
Evidently, T2DM patients are predisposed to various forms of both short and long-term complication, with cardiovascular disease (CVD) being the main cause of death among T2DM patients (Raghavan et al., 2019), T2DM has been shown to decrease life expectancy by 10 years with CVD responsible for half of the mortality (Einarson et al., 2018). Although a close link between T2DM and CVD is established, the etiology is complex and remains a significant research topic. Obesity, traditionally defined as excess body weight and adiposity, is closely linked to the pathogenesis of T2DM. Obesity associated with T2DM is linked with a cluster of metabolic and biochemical abnormalities with insulin resistance central in promoting these disturbances. It could manifest itself in various pathophysiological states which includes hyperglycemia, atherogenic dyslipidemia, inflammation, and endothelial dysfunction (Galicia-Garcia et al., 2020). These pathological states have been shown to exacerbate the progression of CVD; and according to a global systematic review, patients with T2DM had a 10% greater risk of coronary artery disease (CAD), approximately 50% higher risk of developing myocardial infarction (MI) and stroke, and a staggering 112% increased risk for heart failure (Einarson et al., 2018).
The discovery of new pharmacotherapy to reduce complications associated with T2DM has brought global attention to sodium-glucose co-transporter 2 (SGLT-2) inhibitors, a relatively new anti-diabetic medication. SGLT-2 inhibitor exerts its hypoglycemic action by primarily blocking glucose reabsorption in the proximal convoluted tubule of the kidney which subsequently leads to glycosuria. This, in turn, promotes the utilization of lipids for energy production in response to high glucose lost resembling prolonged fasting state(Ferrannini et al., 2016; Yokono et al., 2014; Zaccardi et al., 2016). Due to these metabolic changes, SGLT-2 inhibitors reportedly induce weight loss due to its ability to reduce visceral and subcutaneous adipose tissues accumulation (Bramante et al., 2020; Pereira & Eriksson, 2019). Evidently, a clinical trial conducted by Zinman et al. (2016) reported remarkable reduction of cardiovascular-related mortality, and decreased risk of hospitalization and re-hospitalization for heart failure in T2DM patients receiving SGLT-2 inhibitors. In addition, one meta-analysis conducted by Zheng et al. (2018) also demonstrated that SGLT-2 inhibitors are able to reduce all-cause mortality in T2DM patients with CAD. Thus, emerging evidence suggested that SGLT-2 inhibitors are capable of decreasing the occurrence of cardiovascular events in T2DM patients, and closely linked to their ability to reduce fat content (Scheen, 2014).
As the indirect target of SGLT-2 inhibitors is towards reduction of adiposity, adipose tissue measurements were also shown to be an important indicator of SGLT-2 inhibitors effectiveness. According to Singh et al. (2007), visceral adipose tissue (VAT) which surrounds the internal organs of body cavities, could predict an undesirable metabolic and cardiovascular risk stratification. For this reason, epicardial adipose tissue (EAT), a type of visceral fat surrounding the heart supplied by major branches of coronary vessels, is increasingly studied to be the measuring point for the efficacy of SGLT-2 inhibitors (Sato et al., 2018; Yagi et al., 2017).
EAT originates from splanchnopleuric mesoderm, in which embryonically similar to intraabdominal adipose tissue and actively produces numerous cytokines that are essential for metabolic homeostasis (Muñoz et al., 2014). Physiologically, normal EAT distribution is required to provide a protective physiological role to the heart (Iacobellis et al., 2008). Normal EAT thickness is reported to be between 4.5mm- 7.0mm (Iacobellis et al., 2008). Physiologically, normal EAT thickness provides protective metabolic and thermogenic function towards both myocardium and coronary arteries (Wu et al., 2017; Iacobellis & Willens, 2009). EAT also produces adipokines, a signaling protein that regulates lipid and glucose-insulin metabolism in the heart (Talman et al., 2014; Wu et al., 2017). However, excessive EAT depot has been hypothesized to be involved in the pathogenesis and the progression of coronary artery disease, with the release of inflammatory mediators which prompt the atherosclerotic process through several paracrine mechanisms (Alexopoulos et al., 2010). Apart from metabolic disorders, there are various determinants that can contribute to EAT thickness, including age, gender, race and ethnicities (Lima-Martínez et al., 2014; Verma et al., 2017). Given that the estimation of cardiovascular risk is significantly relevant with EAT as compared to other visceral fat, the SGLT-2 anti-obesity effect on EAT accumulation may serve as a significant cardiovascular predictor in T2DM patients (Sato et al., 2018; Yagi et al., 2017).Evidently, due its significant metabolic effect, SGLT-2 inhibitors have also been shown to reduce the amount of visceral adipose tissue by caloric elimination and thereby reducing EAT in multiple pilot studies (Fukuda et al. 2017; Braha et al. 2019; Yagi et al. 2017).
Given its anatomical proximity to the heart, EAT is now proposed to be more relevant cardiovascular risk estimation than other visceral fat depot, with multiple emerging studies have demonstrated that EAT is associated with increased coronary artery calcification (Mancio et al., 2017). Parallel to this, our preliminary study from UMMC cardiology patients indicated that patients with CAD have significantly thicker EAT, and positively correlated with BMI. Given the emerging role of SGLT-2 inhibitors as treatment for obesity, its effect in reducing visceral fat, particularly on EAT, is increasingly studied. But its role specifically in T2DM and how it can be developed as a therapeutic target to reduce CVD risk among our high-risk population in our local clinical setting is less understood. Therefore, the aim of this study is to investigate the effect of SGLT-2 inhibitors on EAT thickness, metabolic outcomes and subsequently cardiac function in T2DM patients.
More significantly, currently, there are no existing studies which report the EAT distribution with other cardiac function parameters among Malaysian and its clinical implication in the local clinical setting. Our preliminary study from UMMC cardiology patients also indicated that Malay male have significantly thicker EAT compared to other ethnicities. Indeed, measures of total body fat and depot-specific adiposity reveal distinct ethnic patterns, which may portend different health implications (Staiano et al., 2013), particularly among multi-ethnics Malaysians. In addition, the associations between EAT thickness and cardiac function among ethnic-diverse Malaysian T2DM patients receiving SGLT-2 inhibitors are yet to be explored. Thus, the current study hopes to conclude the link of evidences between EAT and cardiac function in T2DM patient with CAD that were receiving SGLT-2 inhibitors.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Wan Ahmad Syazani Mohamed, MBBS
- Phone Number: +60142315940
- Email: syazanimohamed@gmail.com
Study Contact Backup
- Name: Samshol Sukahri, MD
- Phone Number: +60123720477
- Email: samshol@ummc.edu.my
Study Locations
-
-
Selangor
-
Shah Alam, Selangor, Malaysia, 40170
- Recruiting
- Institute for Clinical Research, National Institutes of Health, Malaysia
-
Contact:
- Wan Ahmad Syazani Mohamed
- Phone Number: +60142315940
- Email: syazanimohamed@gmail.com
-
Sub-Investigator:
- Nur Ain Zahidah Zainudin, MSc.
-
Sub-Investigator:
- Nurakmal Baharum, BSc.
-
Sub-Investigator:
- Khairul Nisa' Ishak, BSc.
-
Sub-Investigator:
- Mohd Nasiruddin Mansor, MD
-
Sub-Investigator:
- Han Yin Lim, MD
-
Sub-Investigator:
- Amira Hajirah Abd Jamil, PhD
-
Sub-Investigator:
- Ahmad Syadi Mahmood Zuhdi, MD
-
Sub-Investigator:
- Samshol Sukahri, MD
-
Sub-Investigator:
- Hasniza Zaman Huri, PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Patients (180 T2DM patients that are using SGLT-2 inhibitors and 180 T2DM patients that are not using SGLT-2 inhibitors) who fulfil the inclusion and exclusion criteria will be recruited from the following sources:
- UMMC Cardiology and Diabetes out-patient clinics
- UMMC Cardiology and Endocrinology in-patients (wards)
All recruited patients will have echocardiogram done during the day of recruitment. A repeated echocardiogram will be carried out at 6-month post recruitment.
Description
Inclusion Criteria:
- Malaysian patients aged 18 years old and above.
- Diagnosed with type 2 diabetes mellitus and not any other types of diabetes.
- Established diagnosis of coronary artery disease. * (see definition below)
- Glomerular filtration rate (GFR) >30ml/min/1.73m2
- Women that are not pregnant or breastfeeding during recruitment.
- Initiated with SGLT-2 inhibitors for not more than 3 months before recruitment or initiating SGLT-2 at the time of recruitment.
Exclusion Criteria:
- Patients that are contraindicated to SGLT-2 inhibitors
- Other types of diabetes aside from type 2 diabetes mellitus
- Initiated with SGLT-2 inhibitors for more than 3 months
- History of diabetes ketoacidosis
- History of repeated urinary infections or urogenital infections developed during the study
- Glomerular filtration rate (GFR) < 30ml/min/1.73m2 (Stage 4 and Stage 5 CKD)
- Other side effects that required discontinuation of treatment with SGLTs
- Patients with poor quality of echocardiogram image
- Patients with incomplete data of metabolic syndrome components.
- Patients who are not compliant
- Patient's refusal to take part in the study
- Any clinically significant findings or unstable condition during the screening, medical history, or physical examination that, in the investigator's opinion, would compromise participation in this study. This could include patients with poorly controlled hypertension, asthma, diabetes, or other life-threatening conditions.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
SGLT-2 inhibitor group
Patients will be given a recommended dose of SGLT-2 inhibitor by cardiologist in a form of tablets based on clinical indication. The SGLT-2 inhibitor includes :
After administration of SGLT-2 inhibitor, the cardiac function and epicardial adipose tissue thickness will be measured (baseline and 6 month) post intervention |
Patients (180 diabetic patients with CAD that are using SGLT-2 inhibitors and 180 diabetic patients with CAD that are not using SGLT-2 inhibitors) who fulfil the inclusion and exclusion criteria will be recruited from the following sources: UMMC Cardiology and Diabetes out-patient clinics UMMC Cardiology and Endocrinology in-patients (wards) During the recruitment, patients will do baseline echocardiography in which includes epicardial adipose tissue and cardiac function. The same procedure will be repeated 6 months post intervention.
Other Names:
|
Control group
Patient will not be given SGLT-2 inhibitor and continue SOC up to 6 months.
The cardiac function and epicardial adipose tissue thickness will be measured (baseline and 6 month) post intervention
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Left Ventricular Ejection Fraction
Time Frame: 6 months
|
LVEF in %
|
6 months
|
Left Ventricular Mass Index
Time Frame: 6 months
|
LVMI in gram
|
6 months
|
Left Ventricular Filling Pressure Ratio
Time Frame: 6 months
|
E/e in ratio
|
6 months
|
Left Ventricular End Diastolic Diameter
Time Frame: 6 months
|
LVEDD in centimeter
|
6 months
|
Left Ventricular End Systolic Diameter
Time Frame: 6 months
|
LVESD in centimeter
|
6 months
|
Left Ventricular End Diastolic Volume
Time Frame: 6 months
|
LVEDV in mililiter
|
6 months
|
Left Ventricular End Systolic Volume
Time Frame: 6 months
|
LVESV in mililiter
|
6 months
|
Epicardial Adipose Tissue
Time Frame: 6 months
|
Thickness of epicardial adipose tissue in milimeter
|
6 months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Wan Ahmad Syazani Mohamed, Institute For Medical Research (IMR), Malaysia
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Heart Diseases
- Cardiovascular Diseases
- Vascular Diseases
- Arteriosclerosis
- Arterial Occlusive Diseases
- Coronary Artery Disease
- Myocardial Ischemia
- Coronary Disease
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Sodium-Glucose Transporter 2 Inhibitors
- Dapagliflozin
- Empagliflozin
Other Study ID Numbers
- NMRR ID-22-02966-ENM
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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