Empagliflozin Effect on Glucose Toxicity

U

University Hospital Tuebingen

Status and phase

Withdrawn
Phase 4

Conditions

Type2 Diabetes Mellitus

Treatments

Drug: Insulin Glargine (Lantus®)
Drug: Empagliflozin (Jardiance®)

Study type

Interventional

Funder types

Other

Identifiers

NCT03437330
Oxidise

Details and patient eligibility

About

Empagliflozin effect on glucose toxicity in type 2 diabetes patients - a randomized, open-label, controlled, parallel group, exploratory study

Full description

The EMPA-REG outcome trial showed that empagliflozin on top of standard therapy for Type 2 diabetes mellitus (T2DM) resulted in superiority in terms of the primary composite cardiovascular endpoint (hazard ratio (1) = 0.86; 95% confidence interval [CI] 0.74-0.99; P value = 0.04), hospitalization for heart failure (-35%), cardiovascular mortality (-38%) and all-cause mortality (-32%, each p < 0.001) (2). This reduction in mortality is not fully explained by the reduction in HbA1c, body weight, waist circumference and blood pressure in the empagliflozin groups versus the placebo group. Differences in mode of action of empagliflozin compared to standard therapy might, thus, help to explain why empagliflozin was so efficient in reducing cardiovascular death. The aim of the present study is to provide evidence for a reduction of skeletal muscle H2O2 levels, and consequently improvement in mitochondrial function, and restored methylation pattern of key transcription factors in skeletal muscle from patients with T2DM when treated with empagliflozin versus insulin glargine as the prototypical medication favoring glucose uptake into tissues. It is hypothesized that empagliflozin compared to insulin specifically reduces H2O2 concentrations in skeletal muscle of patients with T2DM, because it leads to excretion of glucose and lower glucose uptake in skeletal muscle (22), while insulin shifts the major part of excess glucose into skeletal muscle cells.

Sex

All

Ages

40 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Subjects must fulfill all of the following criteria before inclusion in the study:

  • The informed consent form must be signed before any study specific tests or procedures are done
  • Male or female patients aged between 40 and 70 years (including) at the first screening visit
  • Patients diagnosed with T2DM
  • HbA1c between 7-9% (including)
  • Stable treatment with antidiabetic drugs over the last 4 weeks

Accepted background medication:

  • Metformin up to 2000 mg per day and/or

DPP-IV inhibitors:

Linagliptin up to 5 mg per day Sitagliptin up to 100 mg per day Vildagliptin up to 100 mg per day Saxagliptin up to 5 mg per day

  • Body mass index (BMI) between 25 and 40 kg/m2 (including)
  • Ability to understand and follow study-related instructions
  • No clinical relevant abnormalities during ECG and cardiac examinations

Exclusion criteria

Subjects are to be excluded from the study if they display any of the following criteria:

  • Unstable Angina pectoris, myocardial infarction or stroke within 1 year before inclusion in the study
  • History of atrial fibrillation
  • Uncontrolled arterial hypertension (> 160/100 mmHg in three subsequent measurements - mean value)
  • eGFR < 60 ml/min/1.73 m2
  • Macroalbuminuria defined as ≥ 300 mg albumin / 24h urine
  • Triglyceride > 250 mg/dl
  • Genetic muscle disease
  • Known coagulation disorder
  • Treatment with anti-platelet therapy and anticoagulation which cannot be paused for medical reasons
  • Treatment with anticoagulants within 7 days prior to the muscle biopsy
  • Contraindications according to the local SmPC of Lantus® or Jardiance® (see Appendix 1)
  • History of hypersensitivity to any of the study drugs or their ingredients or to drugs with similar structure or to the local anesthetic scandicaine or lidocaine
  • Addiction or other diseases that preclude the patient from appropriately assessing the nature and scope as well as possible consequences of the clinical study
  • Pregnant or breast-feeding women

Women of childbearing potential unless women who meet the following criteria:

  • Post-menopausal (12 months natural amenorrhea or 6 months amenorrhea with serum follicle-stimulating hormone [FSH] > 40 U/mL)
  • Postoperatively (six weeks after bilateral ovariectomy with or without hysterectomy)
  • Regular and correct use of a contraceptive method with error rate <1% per year such as implants, depot injections, oral contraceptives or intrauterine devices
  • Sexual abstinence
  • Vasectomy of the partner
  • Males must agree not to father a child and to refrain from donating semen or sperm while participating in the study and for 90 days following discontinuation from this study

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

0 participants in 2 patient groups

Empagliflozin (Jardiance®)
Experimental group
Description:
Dose/frequency: 10 mg once daily for 12 weeks Route of administration: oral
Treatment:
Drug: Empagliflozin (Jardiance®)
Insulin Glargine (Lantus®)
Active Comparator group
Description:
Thus, insulin glargine doses should be adapted as follows: FBG 6-7 mmol/L: +2 IU FBG 7-8 mmol/L: +3 IU FBG > 8 mmol/L: +5 IU
Treatment:
Drug: Insulin Glargine (Lantus®)

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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