- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02728453
SGLT2 Inhibition and Left Ventricular Mass (EMPATROPHY)
SGLT2 Inhibition With Empagliflozin in Patients With Type 2 Diabetes Mellitus: Influences on Left Ventricular Mass, Function, and Cardiac Lipid Content
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Overview of Medical Indication Type 2 diabetes mellitus is associated with increased heart failure risk. The increased risk results in part from poor glycemic control and obesity, but concomitant arterial hypertension may also contribute. In the Framingham Heart Study, heart failure risk increased by 5% in men and by 7% in women with each 1 kg/m2 increment in body mass index (BMI). Compared with normal weight subjects, obese subjects had a doubling of heart failure risk. Given the rapid increase in the prevalence of obesity and type 2 diabetes mellitus, the number of heart failure patients is likely to increase sharply.
Evidence Heart failure in obesity is explained by increased left ventricular mass and impaired left ventricular diastolic filling rather than systolic dysfunction. Obesity is associated with volume expansion and increased cardiac output. Arterial blood pressure also increases with increasing obesity. In addition, type 2 diabetes mellitus may directly elicit abnormalities in myocardial metabolism and function through intramyocardial triglyceride deposition and lipotoxicity. In a study from our group, obese women with insulin resistance showed increased myocardial lipid accumulation compared with obese insulin-sensitive women, and intramyocardial lipids were reduced by dietary weight loss. Finally, intramyocardial lipids are associated with impaired diastolic function in patients with type 2 diabetes mellitus. Myocardial insulin resistance may also contribute to heart failure, because genetic deletion of cardiac insulin receptors in mice worsens catecholamine-mediated myocardial injury. Heart failure risk may be further exacerbated through obesity-induced neurohumoral activation and systemic inflammation. Inflammatory cytokines are elevated in heart failure and modulate cardiac remodelling through various mechanisms including myocardial hypertrophy, fibrosis, and apoptosis.
Sodium-glucose cotransporter 2 (SGLT2) inhibitors are a new drug class for the treatment of type 2 diabetes mellitus. SGLT2 inhibitors may be particularly suitable in improving cardiac structure and function because they substantially improve systemic glucose metabolism, lower blood pressure, and reduce body weight. These effects reduce sympathetic vasomotor tone, and renin-angiotensin-system activity. Thus, SGLT2 inhibitors including empagliflozin ameliorate metabolic and hemodynamic risk factors tightly linked with left ventricular hypertrophy and heart failure risk. Recently published outcome data suggest a beneficial effect of empagliflozin on heart failure hospitalisation rates and on overall cardiovascular mortality in patients with type 2 diabetes and previously diagnosed cardiovascular disease.
Study Rationale Patients with type 2 diabetes mellitus are exposed to an excessive heart failure risk secondary to left ventricular hypertrophy and impaired diastolic filling, a condition not addressed by currently available treatments. The abnormality results from obesity-induced volume overload, increased blood pressure, and myocardial fat accumulation. By improving metabolism, body weight, and blood pressure, empagliflozin addresses the root causes of myocardial disease associated with type 2 diabetes-. We will assess left ventricular mass, function, and lipid content in patients with type 2 diabetes mellitus before and after 24 weeks treatment with metformin plus empagliflozin or glimepiride. We expect to observe improvements in left ventricular mass, function, and fat content with empagliflozin. The results of the study will help to understand the mechanisms of cardioprotective effects of empagliflozin that have been revealed recently.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Hannover, Germany, 30625
- Hannover Medical School
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- women and men ≥40 and <80 years of age
patients with type 2 diabetes mellitus on stable anti-diabetic treatment for the last 3 months; at screening the following treatment conditions are allowed:
- metformin + sulfonylurea with HbA1c ≥6.5% and ≤9.0%
- metformin monotherapy with HbA1c ≥7.5% and ≤ 9.0%
- metformin + dipeptidylpeptidase-IV inhibitor with ≥6.5% and ≤9.0%
- waist circumference ≥80 cm in women or ≥94 cm in men
- office blood pressure ≤150/95 mm Hg with a stable dose of a maximum of 4 antihypertensive medications for the last 3 months (24h ambulatory blood pressure measurement (ABPM) is allowed to check accuracy of office values; inclusion with 24h mean blood pressure ≤145/90 mm Hg is possible)
women without childbearing potential defined by:
- at least 6 weeks after surgical sterilization by bilateral tubal ligation or bilateral oophorectomy
- hysterectomy
- ≥ 50 years and in postmenopausal state > 1 year
- < 50 years and in postmenopausal state > 1 year with serum follicle-stimulating Hormone (FSH) > 40 IU/l and serum estrogen < 30 ng/l or a negative estrogen test, both at screening
women of childbearing potential with a negative serum pregnancy test at screening who agree to meet one of the following criteria from the time of screening, during the study and for a period of 4 days following the last administration of study medication:
- correct use of reliable contraception methods. The following are acceptable: hormonal contraceptives (combined oral contraceptives, implants, transdermal patches, hormonal vaginal devices or injections with prolonged release), intrauterine device (IUD/IUS) or a double barrier method, e.g. condom and occlusive cap (diaphragm or cervical/vault caps) with spermicide (foam, gel, film, cream or suppository)
- true abstinence (periodic abstinence and withdrawal are not acceptable methods of contraception)
- sexual relationship only with female partners
- sterile male partners
- signed written informed consent and willingness to comply with treatment and follow-up
- capability of understanding the investigational nature, potential risks and benefits of the clinical trial
Exclusion Criteria:
- diabetes mellitus type 1
- uncontrolled diabetes mellitus type 2 with fasting glucose > 13.3 mmol/l confirmed on a second day
- previous treatment with insulin, glucagon-like peptide-1 analogues, or pioglitazone during the last year before screening
- previous treatment with empagliflozin
- acute illness at screening or randomization according to judgement by the investigator or patient
- known or suspected hypersensitivity to empagliflozin, glimepiride or any excipients; known or suspected hypersensitivity to sulfonylureas or sulfonamides
- history of multiple severe hypoglycemic episodes
- any condition prohibiting MRI studies (e.g. metal implants, claustrophobia, body weight too high) including any suspected reaction after contrast agent application
- patient actively attempted to lose weight or experienced unintentional clinically significant weight loss during the last 3 months
- bariatric surgery or other gastrointestinal surgery procedures that induce chronic malabsorption
- treatment with any weight loss drug in the preceding 6 months
- planned significant changes of pre-study physical activity level during study participation
- heart failure New York Heart Association (NYHA) III - IV
- patients with known severe cardiovascular disease (e.g. myocardial infarction, unstable angina, stable coronary artery disease, stroke or transient ischemic attack)
- calculated glomerular filtration rate (eGFR) <60 ml/min/1,73 m2
- treatment with loop diuretics
- chronic diarrhea, any clinical signs of volume depletion or a haematocrit > 48 % (women) and > 53 % (men)
- history of severe volume depletion that required medical therapy
- chronic lower urinary tract infections (but not simple asymptomatic bacteriuria)
- known acute or chronic liver disease or screening liver enzymes > 3 x upper limit of normal (ULN)
- serum potassium < 3.6 or > 5.0 mmol/l
- glucose-6-phosphate dehydrogenase deficiency
- anemia of unknown origin
- pregnancy or lactation period
- treatment with systemic glucocorticoids during the last 3 months before screening
- chronic treatment with non-steroidal anti-inflammatory drugs (NSAIDs)
- changes in thyroid hormone dosage (stable doses of thyroid hormones for the last 3 months are acceptable)
- history of drug or alcohol abuse or current abuse
- psychosomatic or psychiatric diseases requiring hospitalization during the last 12 months; ongoing treatment with one tricyclic or selective serotonin re-uptake Inhibitor (SSRI) antidepressant drug at a stable dose since the last 3 months is acceptable except for fluoxetine
- medical history of cancer except for strictly localized tumors
- any medical or surgical intervention planned for the next 7 months after randomization not allowing study participation according to the investigator´s judgment
- current participation in any other clinical trial or participation in another clinical trial within 30 days before screening
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: Empagliflozin
25 mg/d empagliflozin + matching glimepiride placebo for 24 weeks.
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Treatment with empagliflozin vs. glimepiride to understand whether empagliflozin may reduce left ventricular mass in patients with type 2 Diabetes mellitus.
Other Names:
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ACTIVE_COMPARATOR: Glimepiride
2 or 4 mg/d glimepiride+ matching empagliflozin placebo for 24 weeks.
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Treatment with empagliflozin vs. glimepiride to understand whether empagliflozin may reduce left ventricular mass in patients with type 2 Diabetes mellitus.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in left ventricular mass
Time Frame: baseline and 24 weeks
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change in left ventricular mass determined by cardiac MRI as the difference between 24 weeks and baseline
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baseline and 24 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in left ventricular end-systolic volume
Time Frame: baseline and 24 weeks
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change in left ventricular end-systolic volume (cMRI, 24 weeks - baseline)
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baseline and 24 weeks
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change in left ventricular function
Time Frame: baseline and 24 weeks
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change in left ventricular function (cMRI, 24 weeks - baseline)
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baseline and 24 weeks
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change in intramyocardial lipid content
Time Frame: baseline and 24 weeks
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change in intramyocardial lipid content (cMR spectroscopy, 24 weeks - baseline)
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baseline and 24 weeks
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change in diastolic function
Time Frame: baseline and 24 weeks
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change in diastolic function (echocardiography, 24 weeks - baseline)
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baseline and 24 weeks
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change in HbA1c
Time Frame: baseline and 24 weeks
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change in HbA1c (24 weeks - baseline)
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baseline and 24 weeks
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change in fasting plasma glucose concentration
Time Frame: baseline and 24 weeks
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change in fasting plasma glucose concentration (24 weeks - baseline)
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baseline and 24 weeks
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change in body weight
Time Frame: baseline and 24 weeks
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change in body weight (24 weeks - baseline)
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baseline and 24 weeks
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change ambulatory blood pressure
Time Frame: baseline and 24 weeks
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change in ambulatory blood pressure (24 weeks - baseline)
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baseline and 24 weeks
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change in left ventricular end-diastolic volume
Time Frame: baseline and 24 weeks
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change in left ventricular end-diastolic volume (cMRI, 24 weeks - baseline)
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baseline and 24 weeks
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change in fasting serum insulin concentration
Time Frame: baseline and 24 weeks
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change in fasting serum insulin concentration (24 weeks - baseline)
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baseline and 24 weeks
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change in waist circumference
Time Frame: baseline and 24 weeks
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change in waist circumference (24 weeks - baseline)
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baseline and 24 weeks
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change in body fat mass
Time Frame: baseline and 24 weeks
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change in body fat mass (24 weeks - baseline)
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baseline and 24 weeks
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in cardiac fibrosis
Time Frame: baseline and 24 weeks
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change in cardiac fibrosis (cMRI, 24 weeks - baseline)
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baseline and 24 weeks
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change in global long strain
Time Frame: baseline and 24 weeks
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change in global long strain (echocardiography, 24 weeks - baseline)
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baseline and 24 weeks
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number of participants with abnormal laboratory values in the blood
Time Frame: baseline and 4, 8, 12, 16, 20, 24 weeks
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To determine this number, blood electrolytes, blood count, hematocrit, liver function tests, blood urea and creatinine will be measured at baseline and every 4 weeks thereafter.
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baseline and 4, 8, 12, 16, 20, 24 weeks
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number of participants with abnormal laboratory values in the urine
Time Frame: baseline and 4, 8, 12, 16, 20, 24 weeks
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To determine this number, dip stick urine analysis will be performed at baseline and every 4 weeks thereafter (glucose will be measured but not reported to investigators to ensure blinding).
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baseline and 4, 8, 12, 16, 20, 24 weeks
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number of participants with lower urinary tract infections or genital fungal infections
Time Frame: baseline and 24 weeks
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To determine this number, signs and symptoms of lower urinary tract infections or genital fungal infections will be recorded at baseline and every 4 weeks thereafter.
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baseline and 24 weeks
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jens Jordan, Prof. Dr., Hannover Medical School
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 2
- Hypoglycemic Agents
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Immunosuppressive Agents
- Immunologic Factors
- Sodium-Glucose Transporter 2 Inhibitors
- Empagliflozin
- Glimepiride
Other Study ID Numbers
- CRC-KliPha-001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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