Diabetes Case Reports

Abstract

Case Study Exploring the Utility of a Novel Predictive Glucose Alerting Application for Young Adults Living with Type 1 Diabetes

Hari Venugopalan, Samuel T. King, Salvador Lopez, Jun Min Kim, Grace Cheng, Tim Stewart, Sriram Magesh, Brendan Leung and Stephanie S. Crossen*

Aim: Continuous Glucose Monitoring (CGM) devices are now widely used among People with Type 1 Diabetes (PwT1D). However, the utility of these devices has not been specifically optimized for Adolescents and Young Adults (AYAs), whose engagement with diabetes technology often hinges on its ability to facilitate non-diabetes-related life goals. Our aim was to explore how a novel application providing predictive alerting for hypo-and hyperglycemia could improve the day-to-day experience of young adults living with T1D and using CGM. Method: We conducted a qualitative case study to better understand users’ experience with our novel predictive CGM alerting application "BeaGL" among a cohort of six young adults over five months. Feedback was solicited via weekly surveys and monthly interviews, which were analyzed thematically. Multiple changes were made to the application based on participant input. Results: Predictive glucose alerting was well-received and found to add value among young adult users. Qualitative feedback from participants emphasized the importance of reliability and customizability within the application, which were associated with perceived benefits of improved convenience and reduced cognitive burden related to their T1D self-management. BeaGL was adapted in several ways, in particular to provide customization of glucose thresholds and alert frequencies, which participants found valuable. Conclusion: Young adult PwT1D using CGM devices reported high utility of customizable predictive glucose alerting. Future research should explore the benefits of adding customizable predictive CGM alerting to existing diabetes technology, particularly among AYA PwT1D, and evaluate both glycemic outcomes and quality of life via a larger, randomized trial.

Published Date: 2026-04-13; Received Date: 2026-03-13