Effect of GLP-1 on Angiogenesis (ANGIOSAFE 1)

A

Assistance Publique - Hôpitaux de Paris

Status and phase

Completed
Phase 4

Conditions

Type 2 Diabetes

Treatments

Drug: Liraglutide
Drug: Metformin or sulfonylurea

Study type

Interventional

Funder types

Other

Identifiers

NCT02686177
P140710
2015-002930-35 (Other Identifier)

Details and patient eligibility

About

GLP-1 receptor agonists are introduced in the treatment of type 2 Diabetes (T2D) and their efficacy is documented. However, safety aspects are also important to evaluate with respect to micro and macrovascular complications associated with T2D. Few studies have properly addressed the role of GLP-1-based therapies in regulating vascular integrity and angiogenesis. The study evaluate the impact of one-month treatment Liraglutide on both ANGPT2 and ANGLPT4 levels and endothelial circulating progenitor cells, angiogenesis biomarkers in type 2 diabetic patients.

Full description

GLP-1 receptor agonists are introduced in the treatment of type 2 Diabetes (T2D) and their efficacy is documented. Beside their therapeutic benefits, direct cardiovascular effects have also been reported. However, safety aspects are also important to evaluate with respect to micro and macrovascular complications associated with T2D. T2D patients treated with GLP-1 analogs may suffer from microvascular complications such as macular oedema and proliferative retinopathy, characterized by excessive retinal angiogenesis. Few studies have properly addressed the role of GLP-1-based therapies in regulating vascular integrity and angiogenesis. The role of GLP-1 on endothelial cell (EC) growth, EC integrity and angiogenesis thus needs to be characterized. Our aim is to provide the proof of concept that agonists of GLP-1 regulate angiogenesis in humans and identify the underlying mechanisms. The present project is the translational part of the ANR Angiosafe-T2D, regarding clinical safety aspects of GLP-1 receptor agonists (namely Liraglutide) on angiogenesis. The study evaluate the impact of one-month treatment Liraglutide on both ANGPT2 and ANGLPT4 levels and endothelial circulating progenitor cells, angiogenesis biomarkers in type 2 diabetic patients.

Enrollment

50 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Type 2 diabetic patients (ADA criteria)
  • Age > 18 years
  • Obesity (BMI >= 25 kg/m2)
  • HbA1c > 6.5 %
  • Treatment with Metformin and/or secretagogues
  • Effective contraception (women)

Exclusion criteria

  • Treatment with Exenatide, Liraglutide or other incretinergic regimen (<1 month before recruitment)
  • Type 1 diabetes
  • acute disease or infection
  • chronic renal failure (MDRD eGFR≤50 mL/min)
  • recent cardiovascular event or surgery (<3 months)
  • pancreatitis history
  • anti-VEGF treatment
  • untreated cancer
  • immunological disorders
  • pregnancy and lactation
  • Vulnerable people : deprivation of Liberty safeguards
  • hypersensitivity to the active substance or to any of the excipients of the investigational drug
  • diabetic ketoacidosis
  • heart failure stage 3 or 4 (NYHA III-IV)
  • Hepatic insufficiency
  • inflammatory bowel disease and gastroparesis
  • No affiliation to the social security

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

50 participants in 2 patient groups

1: Liraglutide
Experimental group
Description:
Liraglutide 1,2 mg once daily subcutaneous injection for 1 month (4 weeks)
Treatment:
Drug: Liraglutide
2: Add on oral antidiabetic medication
Active Comparator group
Description:
Metformin or sulfonylurea depending on monotherapy
Treatment:
Drug: Metformin or sulfonylurea

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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