Health care Professional–Supervised Use of Intermittently Scanned Continuous Glucose Monitoring During a Pediatric Type 1 Diabetes Summer Camp: A Prospective Observational Study

Introduction: Children and adolescents with type 1 diabetes (T1D) often experience glucose fluctuations during dynamic activities such as summer camps. Evidence on the clinical accuracy and usability of intermittently scanned CGM (isCGM; FreeStyle Libre 2) in these real-world pediatric settings is limited. Aims: To evaluate within-participant changes in continuous glucose monitoring (CGM)–derived glycemic metrics during a pediatric T1D summer camp compared with a pre-camp period under health care professional (HCP)–supervised use of FreeStyle Libre 2, an isCGM system. Secondary aims were to assess sensor accuracy and user satisfaction. Methods: This prospective single-arm observational study enrolled children and adolescents with T1D attending a 3-day residential summer camp. CGM-derived metrics during the on-camp period were compared with those from a pre-camp period within the same participants under structured HCP supervision. Sensor accuracy was assessed using paired capillary blood glucose–sensor glucose measurements, and user satisfaction was evaluated using post-camp questionnaires. Results: Twenty-one participants were analyzed. The on-camp period showed a significant increase in time in range (54.5%–64.3%, P = 0.031) and a reduction in time above range > 250 mg/dL (17.7%–4.7%, P = 0.049), while time below range remained unchanged. Sensor accuracy, evaluated by mean absolute relative difference, was acceptable within ranges (13.6% ± 10.5% on-camp, 12.7% ± 10.5% pre-camp) reported in pediatric studies with variability. Conclusions: Glycemic metrics were improved during a pediatric T1D summer camp conducted under a structured, HCP-supervised setting incorporating isCGM, without an increase in hypoglycemia. These findings support the feasibility of supervised, camp-based CGM–supported glucose management in pediatric populations.