ArticleJournal of the Endocrine Society2026
Natural history of a pediatric cohort with islet autoantibody positivity: a single-center retrospective cohort study.
Article in Journal of the Endocrine Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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12 authors.
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Abstract
Context: Type 1 diabetes (T1D) progresses from genetic risk to metabolic disease. Anti-β-cell antibodies (AABs), alongside clinical features, define the stages of T1D and enable identification of presymptomatic individuals. Objective: To describe the natural history of patients with ≥1 positive AAB, analyzing progression to stage 3 T1D and clinical severity at diagnosis. Design: Single-center retrospective cohort study (February 2012-April 2025). Patients: One-hundred and six patients with ≥1 AAB-positive enrolled in a structured follow-up program. Main outcome measure: progression to stage 3 T1D and occurrence of diabetic ketoacidosis (DKA) at diagnosis. Results: During a median follow-up of 4 years, 19 of 106 AAB-positive patients progressed to stage 3 T1D, none of whom presented with DKA at diagnosis. The 5-year cumulative risk of progression was 16.6% (95% CI: 10.0%-26.9%). Patients with multiple AAB positivity at baseline had a significantly higher 5-year risk than those with a single positive AAB (40.4% vs 8.3%; Conclusion: Persistent autoantibody positivity, particularly for GAD, is strongly associated with progression to stage 3 T1D. Children identified through AAB monitoring show a milder clinical presentation at diagnosis, with no cases of DKA. These data support screening and structured follow-up of at-risk children, which may help prevent DKA and facilitate identification of candidates for disease-modifying interventions.
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