E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Chronic heart failure with left ventricular systolic dysfunction |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10008908 |
E.1.2 | Term | Chronic heart failure |
E.1.2 | System Organ Class | 100000004849 |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10019279 |
E.1.2 | Term | Heart failure |
E.1.2 | System Organ Class | 100000004849 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To examine the effect of empagliflozin on heart structure and function (as measured by MRI scan of the heart) in patients with type 2 diabetes mellitus (or prediabetes) and heart failure. |
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E.2.2 | Secondary objectives of the trial |
Secondary Objectives:
To examine the effect of empagliflozin on: • microvascular perfusion and extracellular volume fraction (Gd-CMR), • quality of life scores, • exercise capacity • laboratory tests (heart, kidney, endocrine) pulmonary congestion (lung ultrasound)
To examine the effect of empagliflozin on safety including liver injury, renal failure, high potassium, and pH imbalance (metabolic acidosis).
Experimental Secondary Objectives (may not be completed for all patients): • To examine the effect of empagliflozin on myocardial metabolic activity defined by PCr:ATP ratio at 31P MR spectroscopy (substudy) • To examine the effect of empagliflozin on total and regional renal blood flow using CMR
Research Only Objectives: • To examine the effect of empagliflozin on biomarker profile • To examine the effect of empagliflozin on DNA and epigenetics • To examine the effect of empagliflozin on Bioelectrical Impedance Analysis (BIA) |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
The sub-study is included in the study protocol and therefore matches version and date of this (V3.0, 23.08.2018). The sub-study is basically an experimental secondary objective 'To examine the effect of empagliflozin on myocardial metabolic activity defined by PCr:ATP ratio at 31P MR spectroscopy'. |
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E.3 | Principal inclusion criteria |
Written informed consent
Male or female, aged ≥18 years age
Type 2 DM (diet-controlled or on stable treatment) or prediabetes o Stable treatment defined as no change in oral therapy agents or doses for diabetes mellitus and (where applicable) <10% change in average total daily insulin dose over last 6 weeks o HbA1c ≤97 mmol/mol (11%) (routine available data from medical records, recorded in the last year) o Prediabetes defined as HbA1c 39-47 mmol/mol (5.7-6.4%) at the time of screening (specifically for the prediabetes group, HbA1c will be repeated at the time of screening if there are no recent results within the last 3 months, in order to confirm the diagnosis of prediabetes)
Heart failure (as defined by presence of typical signs and symptoms of heart failure with documented reduced ejection fraction (ref SIGN and ESC guidelines)): o NYHA class II-IV o LVEF ≤40% o On stable doses of ACEI, ARB or ARNI for 4 weeks prior to randomisation unless contraindicated or not tolerated. They should also be taking a beta-blocker at a stable dose for 4 weeks unless contraindicated or not tolerated.
Women of childbearing potential must be currently adhering to, or be willing to use, highly effective birth control methods for study treatment duration including: o Combined hormonal contraception (oestrogen and progestogen containing medication) either orally, intravaginally, or transdermally o Progesterone only hormonal contraception either orally, injected, or implanted o Intrauterine device (IUD) o Intrauterine hormone release system (IUS) o Bilateral fallopian tube occlusion o Vasectomised partner o Complete sexual abstinence where this is their preferred and usual lifestyle
WOCBP comprises women who have experienced menarche and who have not undergone successful surgical sterilization (hysterectomy, bilateral tubal ligation, or bilateral oophorectomy) or who are not post-menopausal, post-menopausal being defined as: o Women who have had amenorrhea for ≥ 12 consecutive months (without another medical cause) |
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E.4 | Principal exclusion criteria |
• Type 1 DM • History of hospital admission with a diagnosis of diabetic ketoacidosis (DKA) • Insulin use within 1 year of diagnosis of diabetes • History of acute or chronic pancreatitis and on insulin treatment for diabetes or low residual c-peptide (random non-fasting level of <0.2 nmol/l) • eGFR <30 ml/min/1.73m2 (derived using CKD EPI) at the time of randomisation (based on latest available result; kidney function tests will be repeated at the time of screening if there are no recent results: (a) within last 6 months in patients with eGFR >60 ml/min/1.73m2; (b) within last 3 months in patients with eGFR 45-60 ml/min/1.73m2; (c) within last 1 month in patients with eGFR 30-44 ml/min/1.73m2) • Persistent/permanent atrial fibrillation/flutter (conditions which significantly impede MRI image interpretability) • Acute coronary syndrome, stroke or surgery within 1 month (small type 2 MI in the context of acute HF does not apply) • BMI >52kg/m2 • Liver disease, defined by serum levels of alanine aminotransferase, aspartate aminotransferase, or alkaline phosphatase above 3 x upper limit of normal (ULN) at the time of screening (based on latest available result; liver function tests will be repeated at the time of screening if there are no recent (within last 6 months) results in patients without known liver disease) • Bariatric surgery within the past two years and other gastrointestinal surgeries that induce chronic malabsorption • Any condition outside the cardiovascular and renal disease area, such as but not limited to malignancy, with a life expectancy of less than 2 years based on investigator’s clinical judgement • Active malignancy requiring treatment at the time of visit 1 (with the exception of successfully treated basal cell or treated squamous cell carcinoma, adjuvant hormonal therapy for breast cancer and hormone therapy for prostate cancer) • Blood dyscrasias or any disorders causing haemolysis or unstable red blood cells (e.g. malaria, babesiosis, haemolytic anaemia) which in the opinion of the investigator are clinically significant • Treatment with systemic steroids at time of informed consent or change in dosage of thyroid hormones within 6 weeks prior to informed consent • Any uncontrolled endocrine disorder except Type 2 DM or prediabetes • Alcohol or drug abuse within 3 months of informed consent that would interfere with trial participation or any ongoing condition leading to decreased compliance with study procedures or study drug intake • Known hypersensitivity to the empagliflozin or excipients • Known hypersensitivity to gadolinium • Inability to give informed consent • SGLT2 inhibitor use (current or previous) • Devices or any other contraindication to MRI scans • Currently pregnant, planning pregnancy, or currently breastfeeding • History of previous lower limb amputation (non-traumatic) • Current participation in another interventional medical study or within the last 90 days • Anyone who, in the investigators’ opinion, is not suitable to participate in the trial for other reasons. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Co-primary outcomes:
Cardiac Structure: To examine the effect of empagliflozin on left ventricular end-systolic volume index (LVESVI) by cardiac magnetic resonance imaging on active treatment versus placebo.
Cardiac Function: To examine the effect of empagliflozin on left ventricular global longitudinal strain by cardiac magnetic resonance imaging on active treatment versus placebo. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Week 0, week 36 and week 40 (optional). |
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E.5.2 | Secondary end point(s) |
Secondary Objectives: • To examine the effect of empagliflozin on microvascular perfusion and extracellular volume fraction (Gd-CMR) • To examine the effect of empagliflozin on quality of life score • To examine the effect of empagliflozin on exercise capacity • To examine the effect of empagliflozin on biomarker profile • To examine the effect of empagliflozin on safety outcomes including hepatic injury, renal dysfunction, hyperkalaemia and metabolic acidosis to examine the effects of empagliflozin on pulmonary congestion (lung ultrasound)
Experimental Secondary Objectives (may not be completed for all patients): • To examine the effect of empagliflozin on myocardial metabolic activity defined by PCr:ATP ratio at 31P MR spectroscopy (substudy) • To examine the effect of empagliflozin on total and regional renal blood flow using CMR
Research Only Objectives: • To examine the effect of empagliflozin on biomarker profile • To examine the effect of empagliflozin on DNA and epigenetics • Bioelectrical impedance analysis |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Week 0, week 12 (except CMR and MR spectroscopy), week 36 and week 40 (optional). |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | No |
E.8.5.1 | Number of sites anticipated in the EEA | 1 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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Planned: • Planned sample size achieved, and LVLS
Unplanned (i.e. early termination): • Insufficient funding to support further recruitment, and no reasonable prospect of additional support being obtained • New information makes it inappropriate to continue to randomise patients to one or other arm of trial • Recruitment is so poor that completion of the trial cannot reasonably be anticipated |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 3 |
E.8.9.1 | In the Member State concerned months | 3 |
E.8.9.1 | In the Member State concerned days | 1 |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 5 |
E.8.9.2 | In all countries concerned by the trial days | 1 |