The present study will examine the effects of liraglutide treatment during 26 weeks on several cardiovascular risk factors in patients with prediabetes and end-stage renal disease (ESRD). The primary objective is to determine the efficacy of the treatment on glucose tolerance evaluated during a 3h 75g-oral glucose tolerance test (OGTT). Secondary objectives include various clinical and biochemical cardiovascular and safety parameters. We hypothesise that treatment with liraglutide can improve glucose tolerance in prediabetic patients with ESRD by normalizing plasma glucose excursions during an OGTT and ameliorate other cardiovascular risk factors.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Department of Nephrology, Rigshospitalet
Copenhagen, Denmark
Plasma glucose during oral glucose tolerance test at week 26
Difference between the two treatment arms in plasma glucose concentrations during a 3h 75g-OGTT on the trial visit of week 26
Time frame: The trial visit of week 26
Hypoglycemic incidents
Total hypoglycemic episodes during intervention
Time frame: From the randomisation to trial visit of week 26
Fasting values of glucometabolic hormones
Fasting plasma glucose, proinsulin, insulin and glucagon
Time frame: The trial visit of week 26
Insulin resistance
Insulin resistance evaluated by homeostasis model assessment (HOMA)
Time frame: The trial visit of week 26
Beta cell function
Beta-cell function evaluated by HOMA
Time frame: The trial visit of week 26
Change in glycemic state
Change in glycemic state following oral glucose tolerance test (normal glucose tolerance (NGT, fasting plasma glucose \< 6.1 mmol/l and 2h plasma glucose \< 7.8 mmol/l), impaired fasting glucose (IFG, fasting plasma glucose ≥ 6.1 and \< 7.0 mmol/l), impaired glucose tolerance (IGT, 2h plasma glucose ≥ 7,8 and \< 11.1 mmol/l) and diabetes mellitus (DM, fasting plasma glucose ≥ 7 mmol/l or 2h plasma glucose ≥ 11.1 mmol/l))
Time frame: The trial visit of week 26
Blood pressure
Blood Pressure
Time frame: The trial visit of week 26
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Pulse
Resting pulse
Time frame: The trial visit of week 26
Weight
Weight
Time frame: The trial visit of week 26
Body composition
Body composition by dual energy x-ray absorptiometry (DXA) scan
Time frame: The trial visit of week 26
Cardiac function and perfusion
Cardiac function and perfusion evaluated by Rb-PET/CT scan
Time frame: The trial visit of week 26
Cardiac autonomic function
Cardiac autonomic function evaluated by heart rate variability
Time frame: The trial visit of week 26
Arterial stiffness
Arterial stiffness evaluated by Augmentation index from Pulse wave analysis
Time frame: The trial visit of week 26
Cardiovascular and endothelial risk markers
Cardiovascular and endothelial risk markers (troponin T, troponin I, creatine kinase-MB, high-sensitivity C-reactive protein (hsCRP), plasminogen activator inhibitor 1 (PAI-1), Tissue plasminogen activator (tPA), urat, von Willebrand factor (vWF), vascular endothelial cell adhesion molecule (VCAM), intercellular adhesion molecule (ICAM), TNFalpha, proBNP, E-selectin and asymmetric dimethylarginine)
Time frame: The trial visit of week 26
Prothrombotic state
Prothrombotic state (fibrinogen, activated partial thromboplastin time (APTT) and thromboelastography (TEG))
Time frame: The trial visit of week 26
Lipid profile
Lipid profile
Time frame: The trial visit of week 26
Plasma liraglutide
Plasma liraglutide
Time frame: The trial visit of week 26