Evidence map›Paper›PMID 20200305›Full record

Trial reportDiabetes care2010

Improved pancreatic beta-cell function in type 2 diabetic patients after lifestyle-induced weight loss is related to glucose-dependent insulinotropic polypeptide.

Thomas P J Solomon, Jacob M Haus, Karen R Kelly, Michael Rocco, Sangeeta R Kashyap, John P Kirwan

Registry-linked trialOpen access · hybridAbstract readClinical Trial
In one paragraph

Trial report in Diabetes care, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03146156 (Lifestyle Intervention in Preparation for Pregnancy), which is not on this map. Cited by 62 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed, 1 pooled it
8.6field-weighted citation impact, top 2% 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.

NCT03146156 nacompletednot on this mapstarted 2017, after this paper: background citation

Lifestyle Intervention in Preparation for Pregnancy (LIPP)

TypeinterventionalSponsorTufts Medical CenterRan2017 to 2025Enrolled99ConditionsObesity, Lifestyle-related Condition, Macrosomia, FetalArmsLifestyle Intervention
3 · Its place in the literature

Who cites it

62 citing papers in PubMed, 1 synthesis or guideline pooled it, 110 citations in OpenAlex.

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2 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Thomas P J SolomonDepartment of Pathobiology, Cleveland Clinic, Cleveland, Ohio, USA. kirwanj@ccf.org
Jacob M Haus
Karen R Kelly
Michael Rocco
Sangeeta R Kashyap
John P Kirwan
Case Western Reserve University · USCleveland Clinic · US

Funding

CTSA INFRASTRUCTURE FOR PEDIATRIC RESEARCHUL1RR024989 · NCRR · CASE WESTERN RESERVE UNIVERSITY · PI DAVIS, PAMELA B · 2007 to 2011
$53.7M
WRITING AND THE DAILY EXPERIENCE OF ILLNESSM01RR010732 · NCRR · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI LOHSE, BARBARA · 1995 to 2009
$29.8M
Zosuquidar trihydrochloride for acute myeloid leukemia &refractory anemiaM01RR000080 · NCRR · UNIVERSITY HOSPITALS OF CLEVELAND · PI DEARBORN, DORR GELLATLY · 1985 to 2007
$22.2M
VIRALLY-INDUCED STAT-1, STAT-3 AND STAT-6M01RR018390 · NCRR · CLEVELAND CLINIC LERNER COM-CWRU · PI GILDEA, THOMAS · 2003 to 2007
$11.0M
Case Western Reserve University/Cleveland Clinic CTSA (KL2)KL2RR024990 · NCRR · CASE WESTERN RESERVE UNIVERSITY · PI DAVIS, PAMELA B · 2007 to 2011
$9.5M
Age, Exercise, Diet: Effects on Insulin ResistanceR01AG012834 · NIA · CLEVELAND CLINIC LERNER COM-CWRU · PI KIRWAN, JOHN P. · 2004 to 2008
$1.9M
NCRR NIH HHS 1UL1-RR-024989NCRR NIH HHS M01 RR000080NCRR NIH HHS M01 RR010732NCRR NIH HHS M01 RR018390NCRR NIH HHS M01-RR-10732NCRR NIH HHS RR-00080NCRR NIH HHS RR-018390NCRR NIH HHS UL1 RR024989NIA NIH HHS R01 AG012834NIA NIH HHS R01-AG-12834
6 · The paper itself

Abstract

objectiveRestoration of insulin secretion is critical for the treatment of type 2 diabetes. Exercise and diet can alter glucose-induced insulin responses, but whether this is due to changes in beta-cell function per se is not clear. The mechanisms by which lifestyle intervention may modify insulin secretion in type 2 diabetes have also not been examined but may involve the incretin axis. RESEARCH DESIGN AND

methodsTwenty-nine older, obese (aged 65 +/- 1 years; BMI 33.6 +/- 1.0 kg/m(2)) subjects, including individuals with newly diagnosed type 2 diabetes (obese-type 2 diabetic) and individuals with normal glucose tolerance (obese-NGT), underwent 3 months of nutritional counseling and exercise training. beta-Cell function (oral glucose-induced insulin secretion corrected for insulin resistance assessed by hyperinsulinemic-euglycemic clamps) and the role of glucose-dependent insulinotropic polypeptide (GIP) were examined.

resultsAfter exercise and diet-induced weight loss (-5.0 +/- 0.7 kg), oral glucose-induced insulin secretion was increased in the obese-type 2 diabetic group and decreased in the obese-NGT group (both P < 0.05). When corrected for alterations in insulin resistance, the change in insulin secretion remained significant only in the obese-type 2 diabetic group (1.23 +/- 0.26 vs. 2.04 +/- 0.46 arbitrary units; P < 0.01). Changes in insulin secretion were directly related to the GIP responses to oral glucose (r = 0.64, P = 0.005), which were augmented in the obese-type 2 diabetic group and only moderately suppressed in the obese-NGT group.

conclusionsAfter lifestyle-induced weight loss, improvements in oral glucose-induced insulin secretion in older, obese, nondiabetic subjects seem to be largely dependent on improved insulin sensitivity. However, in older obese diabetic patients, improved insulin secretion is a consequence of elevated beta-cell function. We demonstrate for the first time that changes in insulin secretion after lifestyle intervention may be mediated via alterations in GIP secretion from intestinal K-cells.

Indexed as

Diabetes Mellitus, Type 2Life StyleAgedBlood GlucoseDiet, ReducingExerciseFemaleGastric Inhibitory PolypeptideGlucose Clamp TechniqueHumansHyperinsulinismInsulinInsulin ResistanceInsulin-Secreting CellsMaleMiddle AgedBlood GlucoseGastric Inhibitory PolypeptideInsulin

Identifiers

PMID20200305
PMCPMC2890359
OpenAlexW2152956628

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.