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Cited by 450Diabetes Treatment and ManagementPancreatic function and diabetesAdipokines, Inflammation, and Metabolic Diseases

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Similar Elimination Rates of Glucagon-Like Peptide-1 in Obese Type 2 Diabetic Patients and Healthy Subjects

Vilsbøll, T., Agersø, H., Krarup, T., Holst, J. J.·2003·The Journal of Clinical Endocrinology & Metabolism
DOI 10.1210/jc.2002-021053
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Abstract

We have previously shown that type 2 diabetic patients have decreased plasma concentrations of glucagon-like peptide 1 (GLP-1) compared with healthy subjects after ingestion of a standard mixed meal. This decrease could be caused by differences in the metabolism of GLP-1. The objective of this study was to examine the pharmacokinetics of GLP-1 in healthy subjects and type 2 diabetic patients after iv bolus doses ranging from 2.5-25 nmol/subject. Bolus injections iv of 2.5, 5, 15, and 25 nmol of GLP-1 and a meal test were performed in six type 2 diabetic patients [age, mean (range): 56 (48-67) yr; body mass index: 31.2 (27.0-37.7) kg/m(2); fasting plasma glucose: 11.9 (8.3-14.3) mmol/liter; hemoglobin A(1C): 9.6 (7.0-12.5)%]. For comparison, six matched healthy subjects were examined. Peak plasma GLP-1 concentrations increased linearly with increasing doses of GLP-1 and were similar for type 2 diabetic patients and healthy subjects. The peak concentrations of total GLP-1 (C-terminal) after 2.5, 5, 15, and 25 nmol of GLP-1 were 357 +/- 56, 647 +/- 141, 1978 +/- 276, 3435 +/- 331 pmol/liter in the type 2 diabetic patients and 315 +/- 37, 676 +/- 64, 1848 +/- 146, 3168 +/- 358 pmol/liter, respectively, in the healthy subjects (not statistically significant). Peak concentrations of the intact GLP-1 peptide (N-terminal) were: 69 +/- 17, 156 +/- 44, 703 +/- 77, and 1070 +/- 117 pmol/liter in the type 2 diabetic patients and 75 +/- 14, 160 +/- 40, 664 +/- 79, 974 +/- 87 in the healthy subjects (not statistically significant). GLP-1 was eliminated rapidly with clearances of intact GLP-1 after 2.5, 5, 15, and 25 nmol of GLP-1 amounting to: 9.0 +/- 5.0, 8.1 +/- 6.0, 4.0 +/- 1.0, 4.0 +/- 1.0 liter/min in type 2 diabetic patients and 8.4 +/- 4.2, 7.6 +/- 4.5, 5.0 +/- 2.0, 5.0 +/- 1.0 liter/min in healthy subjects. The volume of distribution ranged from 9-26 liters per subject. No significant differences were found between healthy subjects and type 2 diabetic subjects. We conclude that elimination of GLP-1 is the same in obese type 2 diabetic patients and matched healthy subjects. The impaired incretin response seen after ingestion of a standard breakfast meal must therefore be caused by a decreased secretion of GLP-1 in type 2 diabetic patients.

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Metadata

Authors
Vilsbøll, T., Agersø, H., Krarup, T., & Holst, J. J.
Affiliations
  • University of Copenhagen (DK)
  • Ferring Pharmaceuticals (Denmark) (DK)
  • Gentofte Hospital (DK)
Corresponding author
Vilsbøll, T.
ORCID
Venue
The Journal of Clinical Endocrinology & Metabolism
Publisher
The Endocrine Society
Published
2003-01
Volume
88
Issue
1
Pages
220-224
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
DOI
10.1210/jc.2002-021053
OpenAlex
W2024409703
Cited by
444
References
21
Citations by year
2026: 10 · 2025: 17 · 2024: 16 · 2023: 13 · 2022: 13 · 2021: 13 · 2020: 5 · 2019: 17 · 2018: 10 · 2017: 16 · 2016: 25 · 2015: 23 · 2014: 22 · 2013: 28 · 2012: 29
FWCI
10.99
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
Gentofte Hospital
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
Keywords
glucagon-like peptide-1, pharmacokinetics, type 2 diabetes, obesity, elimination rate, intravenous bolus, dose proportionality, healthy subjects comparison, test meal, GLP-1 receptor agonists, GLP-1 analogues, GLP-1 receptor antagonists, GLP-1 receptor signaling
MeSH terms
Aged, Diabetes Mellitus, Diabetes Mellitus, Type 2, Dose-Response Relationship, Drug, Female, Glucagon, Humans, Injections, Intravenous, Male, Middle Aged, Obesity, Osmolar Concentration, Peptide Fragments, Protein Precursors, Reference Values, Glucagon-Like Peptide 1

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