Evidence map›Paper›PMID 21848927›Full record

Trial reportPediatric diabetes2012

GAD autoantibody epitope pattern after GAD-alum treatment in children and adolescents with type 1 diabetes.

Camilla Skoglund, Mikael Chéramy, Rosaura Casas, Johnny Ludvigsson, Christiane S Hampe

Abstract readClinical Trial, Phase IIRandomized Controlled Trial
In one paragraph

Trial report in Pediatric diabetes, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.6field-weighted citation impact, top 27% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 5 citations in OpenAlex.

  1. Trial
  2. Article
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

5 authors at 2 institutions in 2 countries.

Camilla SkoglundDivision of Pediatrics & Diabetes Research Centre, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden. camilla.skoglund@liu.se
Mikael Chéramy
Rosaura Casas
Johnny Ludvigsson
Christiane S Hampe
Linköping University · SEUniversity of Washington · US

Funding

Vector and Transgenic Mouse CoreP30DK017047 · NIDDK · UNIVERSITY OF WASHINGTON · PI Karin E Bornfeldt · 1986 to 2026
$41.4M
PATHOGENESIS OF TYPE 1.5 DIABETES IN THE GENERAL POPULATIONP01DK053004 · NIDDK · UNIVERSITY OF WASHINGTON · PI LERNMARK, AKE · 1998 to 2007
$5.3M
ISLET CELL MEMBRANE ANTIBODIES IN DIABTESR01DK026190 · NIDDK · UNIVERSITY OF WASHINGTON · PI HAMPE, CHRISTIANE S · 1986 to 2016
$4.9M
NIDDK NIH HHS DK17047NIDDK NIH HHS DK26190NIDDK NIH HHS DK53004NIDDK NIH HHS P01 DK053004NIDDK NIH HHS P30 DK017047NIDDK NIH HHS R01 DK026190
6 · The paper itself

Abstract

aimsWe have previously shown that two injections of glutamic acid decarboxylase formulated in alum (GAD-alum) preserved residual insulin secretion in children and adolescents with recent onset type 1 diabetes (T1D), and was accompanied by increased GAD autoantibody (GADA) titers. The aim of this study was to investigate whether GAD-alum treatment affected the GADA epitope pattern.

methodsSerum samples from patients treated with GAD-alum (n = 33) or placebo (n = 27), at baseline, 1, 3, 9, and 15 months after the initial injection, were tested for their binding capacity to specific GADA epitopes in an epitope-specific radioligand binding assay with six recombinant Fab (rFab) (b96.11, DPA, DPD, MICA3, b78, and N-GAD(65) mAb).

resultsNo significant differences in variability of binding to any of the tested rFab were observed from baseline to 15 months. There was a sustained low binding of GADA to the b78- and N-GAD(65) mAb-defined epitopes, often recognized by GADA in patients with stiff person syndrome (SPS) and seldom in T1D patients. However, binding of GADA to the T1D-associated b96.11-defined epitope increased between baseline and 3 months in GAD-alum (-8.1%, min -72.4%, max 39.6%) compared to placebo patients (1.5%, min -28.3%, max 28.6%) (p = 0.02). Subsequently, the b96.11-defined epitope recognition returned to levels similar to that observed at baseline.

conclusionsGAD-alum injections did not affect binding of GADA to SPS-related epitopes, further supporting the safety of the treatment. There were no changes in GADA epitope specificity to the T1D-related epitopes, except for a temporarily increased binding to one of the tested epitopes.

Indexed as

AdolescentAlum CompoundsAutoantibodiesChildDiabetes Mellitus, Type 1EpitopesGlutamate DecarboxylaseHumansAlum Compoundsaluminum sulfateAutoantibodiesEpitopesGlutamate Decarboxylase

Identifiers

PMID21848927
PMCPMC3903414
OpenAlexW2075244802

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.