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Updated: Oct 5, 2025

Improving IV Insulin Administration in a Community Hospital
Published on: June 11, 2012
Effect of structured individualized education on continuous glucose monitoring use in poorly controlled patients with
Jee Hee Yoo1, Gyuri Kim2, Hyun Jung Lee3
1Division of Endocrinology and Metabolism, Department of Medicine, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju 26426, Republic of Korea; Division of Endocrinology and Metabolism, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
Aim:
We aimed to evaluate the efficacy of structured individualized education combined with real-time continuous glucose monitoring (rt-CGM) on glycemic outcomes in adults with type 1 diabetes.
Methods:
This was a single-center, 3-month, randomized controlled trial of 47 adults with type 1 diabetes with HbA1c ≥ 7.0% (53 mmol/mol). Study participants were assigned randomly (1:1) to a structured education group or control group. The control group received the same education as the intervention group in a 3-month extension study. The primary outcome was the mean difference in time in range (TIR 70-180 mg/dL [3.9-10.0 mmol/L]) between groups.
Results:
TIR was higher for the education group than the control group (63.4% vs. 44.5%), resulting in a between-group difference of 15.3% (95% CI 7.9 to 22.8, p < 0.001) at week 12. HbA1c decreased 0.5% (5.5 mmol/mol) more in the intervention group than the control group at week 12 (-0.1 to -1.0, p < 0.001). In the extension period, TIR increased significantly (8.9% [2.2 to 15.6], p = 0.01) in educated control group.
Conclusions:
In adults with type 1 diabetes, rt-CGM use with individualized education resulted in better TIR than rt-CGM alone, highlighting the importance of personalized structured education when using rt-CGM. (ClinicalTrials.gov, number NCT03794934).
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