Long-Term Improvements in Glycemic Control with Dexcom Continuing Glucose Monitoring (CGM) Use in Adults with Noninsulin-Treated Type 2 Diabetes
Authors' conclusion
In this large, real-world study of adults with suboptimally controlled T2D not using insulin, Dexcom CGM use was associated with meaningful improvements in glycemic control over 12 months. Use of the high alert system feature was positively associated with glycemic outcomes.
Study context
- Population
- Adults ≥18 years with noninsulin-treated T2D using Dexcom G6 and G7, baseline time in range (TIR) 70–180 mg/dL ≤70%; mean age 52.5 years, 47.9% female, 12.4% ≥65 years
- Participants
- 3,840 adults
- Outcome
- Change in CGM metrics from baseline, overall and for younger (<65 years) and older (≥65 years) cohorts
- Follow-up
- 6 and 12 months
Main finding
As reported in the abstract
Change in CGM metrics · 12 months
Mean TIR increase (SD), from 41.7% (21.4%) to 59.0% (28.9%); P < 0.001
17.3%
32.1%
Mean GMI decrease (SD), from 8.1% (0.9%) to 7.6% (1.1%); P < 0.001
0.5%
1.2%
Observational data: associations, not effects.
Further findings
High alert feature use and change in TIR and TITR 70-140 mg/dL
- Greater increase in TIR and TITR with maintained or customized high alert default (250 mg/dL) vs disabled alert
Days of CGM use over 12 months
- Days of CGM use high
- 84.7% (15.9%)
Original publication
Long-Term Improvements in Glycemic Control with Dexcom CGM Use in Adults with Noninsulin-Treated Type 2 Diabetes. Diabetes Technol Ther. Published 21 June 2024. doi:10.
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