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The cardiovascular, renal and gastrointestinal effects of the gut-hormone based therapies liraglutide and sitagliptin

A phase IV, randomized, double-blind, placebo-controlled, parallel-group trial to assess the effect of 12-week treatment with the glucagon-like peptide-1 receptor agonist (GLP-1RA) liraglutide or dipeptidyl peptidase-4 inhibitor (DPP-4i) sitagliptin on the cardiovascular, renal and gastrointestinal system in insulin-naïve patients with type 2 diabetes (T2DM). - SAFEGUARD, Pleiotropic effects of incretin based therapies

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2012-003256-36-NL
Enrollment
Unknown
Registered
2012-11-02
Start date
2012-12-12
Completion date
Unknown
Last updated
2012-12-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 Diabetes Mellitus MedDRA version: 14.1 Level: PT Classification code 10067585 Term: Type 2 diabetes mellitus System Organ Class: 10027433 - Metabolism and nutrition disorders

Interventions

Trade Name: Victoza Product Name: Liraglutide Pharmaceutical Form: Solution for injection in pre-filled pen Pharmaceutical form of the placebo: Solution for injection in pre-filled pen Route of admini

Sponsors

VU University Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Both genders -Age between 35 and 70 years. Females must be post-menopausal (no menses >1 year). -Type 2 diabetes (HbA1c 6.5-9% DCCT or 48-75 mmol/mol IFCC), who are being treated with a stable dose of oral antihyperglycemic agents (either metformin alone, SU alone or a combination of metformin and SU) for at least 3 months prior to inclusion. -BMI 25 - 40 kg/m2 - Caucasian For the preceding pilot-study: - Males - Age between 18 and 50 years - BMI 25 – 40 kg/m2 - Caucasian Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 43 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 25

Exclusion criteria

Exclusion criteria: - GFR 4 units alcohol/day (because of risk of pancreatitis) - History of allergy/hypersensitivity to GLP-1RA, DPP-4i, inulin, para-aminohippuric acid, acetaminophen, secretin, MRI contrast agent or latex (component of PAH). - Complaints compatible with or established gastroparesis and/or neurogenic bladder - Any condition that has been recognized as a contra-indication for the use of GLP-1RA and DPP-4i, as listed in the respective SPCs - History of or actual (severe) mental illness - Inability to understand the study protocol and/or inability to give informed consent - History of claustrophobia or presence of metal objects/implants (because of MRI protocol) For the preceding pilot-study: Similar to the exclusion criteria for the main study, with the additions of: - Subjects with a fasting plasma glucose =5.6 mmol/L, a 2-hour glucose of =7.8 mmol/L after a 75-grams oral glucose tolerance test, or a HbA1c of =6.5% - Subjects using any kind of medication

Design outcomes

Primary

MeasureTime frame
Main Objective: Cardiovascular part: to assess the acute effects of GLP-1RA and the long-term effects of both GLP-1RA and DPP-4i on resting heart rate variability. Renal part: to assess the acute effects of GLP-1RA and the long-term effects of both GLP-1RA and DPP-4i on glomerular filtration rate. Gastrointestinal part: to assess the long-term effect of GLP-1RA and DPP-4i on fecal elastase-1. ;Secondary Objective: Cardiovascular part: to measure the acute effects of GLP-1RA and the long-term effects of both GLP-1RA and DPP-4i on blood pressure, heart rate, hemodynamic variables, autonomic nervous system (ANS) function, microvascular function, arterial stiffness, plasma lipid spectrum, glycemic variables (all of the fore-mentioned variables will be assessed in the fasting and postprandial state), body anthropometrics and body fat content. Renal part: to measure the acute effects of GLP-1RA and the long-term effects of both GLP-1RA and DPP-4i on renal plasma flow, renal tubular function and renal damage parameters. Gastrointestinal part: to measure the long-term effect of GLP-1RA and DPP-4i on different aspects of pancreatic exocrine function/structure, plasma pancreatic enzymes, gallbladder motility, liver enzymes, hepatic function, hepatic steatosis and gastric emptying speed. ;Primary end point(s): Cardiovascular part: resting heart rate variability Renal part: glomerular filtration rate. Gastrointestinal part: fecal elastase-1. ;Timepoint(s) of evaluation of this end point: All are assessed at baseline and after 12 weeks of treatment. The cardiovascular and renal primary endpoints are also evaluated during an acute infusion experiment at baseline.

Secondary

MeasureTime frame
Secondary end point(s): Cardiovascular part: - Blood pressure - Heart rate - Hemodynamic variables - Autonomic nervous system (ANS) function - Microvascular function - Arterial stiffness - Plasma lipid spectrum - Glycemic variables - Body anthropometrics and body fat content Renal part: - Renal plasma flow - Renal tubular function - Renal damage parameters Gastrointestinal part: - Pancreatic exocrine function/structure - Plasma pancreatic enzymes - Gallbladder motility - Liver enzymes - Hepatic function - Hepatic steatosis - Gastric emptying speed ;Timepoint(s) of evaluation of this end point: All are assessed at baseline and after 12 weeks of treatment. The cardiovascular and renal primary endpoints are also evaluated during an acute infusion experiment at baseline.

Countries

Netherlands

Contacts

Public ContactMark Smits

VU University Medical Center

mm.smits1@vumc.nl+31204440541

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026