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June 19, 2026SensorsOpen Access

Prediction of Nocturnal Hypoglycemia Following Exercise in Type 1 Diabetes Using Temporally Structured CGM-Derived Digital Biomarkers

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Authors

APAgnese PiersantiGMGaia Maria ManesLGL GIUDICE

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Overview

Randomized trial identifies CGM-derived biomarkers for predicting nocturnal hypoglycemia in pediatric type 1 diabetes, suggesting safer exercise management strategies.

Key Points

  • The aim is to identify digital biomarkers from CGM data to predict nocturnal hypoglycemia risk after exercise in children with type 1 diabetes.
  • Analyzed CGM data from 49 pediatric subjects in the DirecNet cohort.
  • Used a Random Forest classifier with cross-validation, multicollinearity filtering, and feature selection.
  • Compared two configurations: Exercise + Cumulative and Exercise + Post-exercise for performance analysis.
  • The Exercise + Post-exercise configuration achieved balanced accuracy of 76.9% and ROC-AUC of 0.75.
  • Key predictors included CONGA-15_EX, time spent hypoglycemic and hyperglycemic, mean absolute glucose change, and hypoglycemia risk score.
  • Independent validation showed similar performance with balanced accuracy of 76.3% and ROC-AUC of 0.804.

Cite This Study

Piersanti et al. (2026) studied this question.

synapsesocial.com/papers/6a34ddaf65a5b0777af2d481https://doi.org/10.3390/s26123842
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Modeling Exercise-Related Glycemic Events in Type 1 Diabetes: Towards a Practical Decision Support Tool (Preprint)2024
  2. 2Continuous Glucose and Heart Rate Monitoring in Young People with Type 1 Diabetes: An Exploratory Study about Perspectives in Nocturnal Hypoglycemia Detection2020 · 1 citations
  3. 3Continuous Glucose Monitoring and Exercise in Type 1 Diabetes: Past, Present and Future2018 · 45 citations
  4. 4Use of continuous glucose monitoring for sport in type 1 diabetes2018 · 8 citations
  5. 5Factors Associated With Nocturnal Hypoglycemia After Exercise in the Type 1 Diabetes and Exercise Initiative (T1DEXI) Study2026