Evidence map›Paper›PMID 20207828›Full record

ArticleThe Journal of clinical endocrinology and metabolism2010

Effect of glucagon-like peptide-1 on alpha- and beta-cell function in C-peptide-negative type 1 diabetic patients.

Urd Kielgast, Meena Asmar, Sten Madsbad, Jens J Holst

Registry-linked trialAbstract read
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In one paragraph

Article in The Journal of clinical endocrinology and metabolism, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01722266 (Liraglutide in the Treatment of Type 1 Diabetes Mellitus), which is not on this map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
3.9field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01722266 phase3completedstarted 2012, after this paper: background citation

Liraglutide in the Treatment of Type 1 Diabetes Mellitus

Ran2012Enrolled72Registered outcomes7Posted comparisons0ConditionsType 1 DiabetesArmsliraglutide, Placebo
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3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 50 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Urd KielgastDepartment of Biomedical Sciences, Panum Institute, University of Copenhagen, 2200 Copenhagen, Denmark. urd.kielgast@hvh.regionh.dk
Meena Asmar
Sten Madsbad
Jens J Holst
University of Copenhagen · DKHvidovre Hospital · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

contextThe mechanism by which glucagon-like peptide-1 (GLP-1) suppresses glucagon secretion is uncertain, and it is not determined whether endogenous insulin is a necessary factor for this effect.

objectiveTo characterize the alpha- and beta-cell responses to GLP-1 in type 1 diabetic patients without residual beta-cell function.

methodsNine type 1 diabetic patients, classified as C-peptide negative by a glucagon test, were clamped at plasma glucose of 20 mmol/liter for 90 min with arginine infusion at time 45 min and concomitant infusion of GLP-1 (1.2 pmol/kg x min) or saline.

resultsInfusion with GLP-1 increased C-peptide concentration just above the detection limit of 33 pmol/liter in one patient, but C-peptide remained immeasurable in all other patients. In the eight remaining patients, total area under the curve of glucagon was significantly decreased with GLP-1 compared with saline: 485 +/- 72 vs. 760 +/- 97 pmol/liter x min (P < 0.001). In addition, GLP-1 decreased the arginine-stimulated glucagon release (incremental AUC of 103 +/- 21 and 137 +/- 16 pmol/liter x min, with GLP-1 and saline, respectively, P < 0.05).

conclusionsIn type 1 diabetic patients without endogenous insulin secretion, GLP-1 decreases the glucagon secretion as well as the arginine-induced glucagon response during hyperglycemia. GLP-1 induced endogenous insulin secretion in one of nine type 1 diabetic patients previously classified as being without endogenous insulin secretion.

Indexed as

ArginineBlood GlucoseC-PeptideDiabetes Mellitus, Type 1GlucagonGlucagon-Like Peptide 1Glucagon-Secreting CellsHumansHyperglycemiaInsulin-Secreting CellsSerum AlbuminArginineBlood GlucoseC-PeptideGlucagonGlucagon-Like Peptide 1Serum Albumin

Identifiers

PMID20207828
OpenAlexW2103923632

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.