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Randomized Controlled Trial
. 2008 Oct;82(1):73-9.
doi: 10.1016/j.diabres.2008.06.015. Epub 2008 Aug 12.

Use of a real time continuous glucose monitoring system as a motivational device for poorly controlled type 2 diabetes

H J Yoo  1 , H G An, S Y Park, O H Ryu, H Y Kim, J A Seo, E G Hong, D H Shin, Y H Kim, S G Kim, K M Choi, I B Park, J M Yu, S H Baik
Affiliations
Randomized Controlled Trial

Use of a real time continuous glucose monitoring system as a motivational device for poorly controlled type 2 diabetes

H J Yoo et al. Diabetes Res Clin Pract. 2008 Oct.

Abstract

Objective: The use of a real time continuous glucose monitoring system (RT-CGM) was studied as a behavior modification tool and the effectiveness of a RT-CGM in glucose control for patients with type 2 diabetes was determined.

Methods: We conducted a prospective, open-label, randomized, controlled clinical trial in 65 patients with poorly controlled type 2 diabetes (8.0</=HbA1c</=10%) over a 3-month period. The intervention group was monitored monthly with a RT-CGM (three days at a time for 3 months) and the control group continued self-monitoring blood glucose (SMBG) at least four times a week for 3 months.

Results: The HbA1c of the RT-CGM group was significantly reduced after 12 weeks compared with the SMBG group (9.1+/-1.0% to 8.0+/-1.2% vs. 8.7+/-0.7% to 8.3+/-1.1%, respectively; P=0.004). In the RT-CGM group, there was a significant reduction in total daily calorie intake, weight, body mass index (BMI), and postprandial glucose level, and a significant increase in total exercise time per week after 3 months.

Conclusions: We demonstrated that the RT-CGM was useful in modifying a patient's diet and exercise habits and could induce better glycemic control than SMBG for patients with type 2 diabetes.

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