Cited by 1,312Diabetes and associated disordersDiabetes Management and ResearchPancreatic function and diabetes

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Seroconversion to Multiple Islet Autoantibodies and Risk of Progression to Diabetes in Children

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Abstract

IMPORTANCE: Type 1 diabetes usually has a preclinical phase identified by circulating islet autoantibodies, but the rate of progression to diabetes after seroconversion to islet autoantibodies is uncertain. OBJECTIVE: To determine the rate of progression to diabetes after islet autoantibody seroconversion. DESIGN, SETTING, AND PARTICIPANTS: Data were pooled from prospective cohort studies performed in Colorado (recruitment, 1993-2006), Finland (recruitment, 1994-2009), and Germany (recruitment, 1989-2006) examining children genetically at risk for type 1 diabetes for the development of insulin autoantibodies, glutamic acid decarboxylase 65 (GAD65) autoantibodies, insulinoma antigen 2 (IA2) autoantibodies, and diabetes. Participants were all children recruited and followed up in the 3 studies (Colorado, 1962; Finland, 8597; Germany, 2818). Follow-up assessment in each study was concluded by July 2012. MAIN OUTCOMES AND MEASURES: The primary analysis was the diagnosis of type 1 diabetes in children with 2 or more autoantibodies. The secondary analysis was the diagnosis of type 1 diabetes in children with 1 autoantibody or no autoantibodies. RESULTS: Progression to type 1 diabetes at 10-year follow-up after islet autoantibody seroconversion in 585 children with multiple islet autoantibodies was 69.7% (95% CI, 65.1%-74.3%), and in 474 children with a single islet autoantibody was 14.5% (95% CI, 10.3%-18.7%). Risk of diabetes in children who had no islet autoantibodies was 0.4% (95% CI, 0.2%-0.6%) by the age of 15 years. Progression to type 1 diabetes in the children with multiple islet autoantibodies was faster for children who had islet autoantibody seroconversion younger than age 3 years (hazard ratio [HR], 1.65 [95% CI, 1.30-2.09; P < .001]; 10-year risk, 74.9% [95% CI, 69.7%-80.1%]) vs children 3 years or older (60.9% [95% CI, 51.5%-70.3%]); for children with the human leukocyte antigen (HLA) genotype DR3/DR4-DQ8 (HR, 1.35 [95% CI, 1.09-1.68; P = .007]; 10-year risk, 76.6% [95% CI, 69.2%-84%]) vs other HLA genotypes (66.2% [95% CI, 60.2%-72.2%]); and for girls (HR, 1.28 [95% CI, 1.04-1.58; P = .02];10-year risk, 74.8% [95% CI, 68.0%-81.6%]) vs boys (65.7% [95% CI, 59.3%-72.1%]). CONCLUSIONS AND RELEVANCE: The majority of children at risk of type 1 diabetes who had multiple islet autoantibody seroconversion progressed to diabetes over the next 15 years. Future prevention studies should focus on this high-risk population.

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Metadata

Authors
Ziegler, A. G., Rewers, M., Simell, O., Simell, T., Lempainen, J., Steck, A., Winkler, C., Ilonen, J., Veijola, R., Knip, M., Bonifacio, E., & Eisenbarth, G. S.
Affiliations
  • TUM Klinikum (DE)
  • University of Helsinki (FI)
Venue
JAMA
Published
2013-06-19
Volume
309
Issue
23
Pages
2473
ISSN
  • 0002-9955 (ISSN-L)
  • 0098-7484
OpenAlex
W2095256598
Cited by
1,312
References
29
Citations by year
2026: 118 · 2025: 133 · 2024: 103 · 2023: 124 · 2022: 107 · 2021: 127 · 2020: 83 · 2019: 92 · 2018: 92 · 2017: 86 · 2016: 89 · 2015: 83 · 2014: 55 · 2013: 18
FWCI
54.19
Type
journal article
Language
en
Open access
Locations
  • JAMA (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • mediaTUM (Technical University of Munich) (submittedVersion)
  • Site cant be reached (submittedVersion)
Funders
  • Juvenile Diabetes Research Foundation International (4‐1999‐731, 4‐2001‐435)
  • Deutsche Forschungsgemeinschaft (/14-2, /14-1)
  • Bundesministerium für Bildung und Forschung
  • Novo Nordisk
  • Lastentautien Tutkimussäätiö
  • National Institutes of Health (DK32493)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK32493, R01DK032493, U01DK063821)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pancreatic function and diabetes
Keywords
type 1 diabetes, islet autoantibodies, seroconversion, multiple autoantibodies, progression to diabetes, insulin autoantibodies, GAD65 antibodies, IA-2 autoantibodies, preclinical diabetes, risk prediction, age at seroconversion, islet transplantation
MeSH terms
Adolescent, Autoantibodies, Child, Child, Preschool, Colorado, Diabetes Mellitus, Type 1, Female, Finland, Follow-Up Studies, Genotype, Germany, Glutamate Decarboxylase, Humans, Infant, Insulin, Islets of Langerhans, Male, Prospective Studies, Risk, Disease Progression, Genetic Predisposition to Disease, Receptor-Like Protein Tyrosine Phosphatases, Class 8

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