Type 1 diabetes

Early Dysglycemia Is Detectable Using Continuous Glucose Monitoring in Very Young Children at Risk of Type 1 Diabetes

Diabetes CarePublished Case-control study within a prospective birth cohort

Authors' conclusion

CGM is feasible and well tolerated in very young children at risk of T1D. Very young PM Ab+ children have increased SDSGL, CEV, and percentage of time >7.8 mmol/L, consistent with prior studies involving older participants.

Study context

Population
Very young children in the Australian Environmental Determinants of Islet Autoimmunity (ENDIA) study (birth to age 10 years); mean (SD) age 4.4 (1.8) years PM Ab+ and 4.7 (1.9) years Ab-age-matched controls
Participants
31 vs 24
Comparison
PM Ab+ vs Ab- children
  • PM Ab+n = 31
  • Ab-n = 24reference
Outcome
CGM metrics
Methodological detailsage-matched controls, nested in ENDIA longitudinal birth cohort, continuous glucose monitoring (CGM) assessment January 2021–June 2023 alongside standard clinical monitoring
  • Age-matched controls
  • Nested in ENDIA longitudinal birth cohort
  • CGM assessment January 2021–June 2023 alongside standard clinical monitoring

Main finding

As reported in the abstract

Higher glucose SD (SDSGL) in PM Ab+ vs Ab-: median (Q1, Q3) 1.1 (0.9, 1.3) vs 0.9 (0.8, 1.0) mmol/L
P < 0.001
Higher CV (coefficient of variation (CEV)) in PM Ab+ vs Ab-: 17.3% (16.0, 20.9) vs 14.7% (12.9, 16.6)
P < 0.001
Greater % time >7.8 mmol/L in PM Ab+ vs Ab-: median (Q1, Q3) 8.0% (4.4, 13.0) vs 3.3% (1.4, 5.3)
P = 0.005
Mean sensor glucose (SGL) did not differ significantly between groups
P = 0.10

Observational data: associations, not effects.

Further findings

CGM feasibility

Eligible PM Ab+ children consenting to CGM wear
86%
Sensor wear period, median (Q1, Q3)
12.5 (9.0, 15.0) days

Original publication

Early Dysglycemia Is Detectable Using Continuous Glucose Monitoring in Very Young Children at Risk of Type 1 Diabetes. Diabetes Care. Published 30 July 2024. doi:10.2337/dc24-0540

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