A Randomized Controlled Trial Using Continuous Glucose Monitoring to Guide Food Choices and Diabetes Self-Care in People with Type 2 Diabetes not Taking Insulin
Authors' conclusion
People with T2D not taking insulin showed large, clinically significant improvements in CGM metrics and HbA1c when using either CGM alone or with a food logging app.
Study context
- Population
- Adults with T2D not on insulin or SU therapy, HbA1c 7.5%-12%; asked not to change diabetes medication in first 3 months
- Participants
- 72 adults
- Comparison
- Continuous glucose monitoring (CGM) alone vs CGM plus food logging app
- CGM alonen = 31
- CGM plus food logging appn = 41
- Primary endpoint
- Within-group reduction in TAR >180 mg/dL (TAR180)
- Follow-up
- 3 months
Methodological detailsprospective, four-center, 6-month, Participants attended guided education visits
- Prospective
- Four-center
- 6-month
- Participants attended guided education visits
Primary result
As reported in the abstract
TAR180
- CGM alone: TAR180 decreased from 55% at baseline to 27% at 3 months
- P < 0.001
- CGM plus food logging app: TAR180 decreased from 53% at baseline to 30% at 3 months
- P < 0.001
Further findings
TAR180 · 6 months
- CGM alone: TAR180 decreased from 55% at baseline to 21% at 6 months
- P < 0.001
- CGM plus food logging app: TAR180 decreased from 53% at baseline to 30% at 6 months
- P < 0.001
TIR (70-180 mg/dL), all participants · 3 and 6 months
- TIR increased from 46% at baseline to 71% at 3 months
- P < 0.001
- TIR increased from 46% at baseline to 72% at 6 months
- P < 0.001
HbA1c and weight, all participants · 6 months
- HbA1c reduced by 1.3%
- P < 0.001
- Weight reduced by 7 pounds (lbs.)
- P < 0.001
Original publication
A Randomized Controlled Trial Using Continuous Glucose Monitoring to Guide Food Choices and Diabetes Self-Care in People with Type 2 Diabetes not Taking Insulin. Diabetes Technol Ther. Published 6 January 2025. doi:10.
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