Diabetes technology

A systematic literature review and meta‐analysis of real‐world evidence on commercially available automated insulin delivery systems in people with type 1 diabetes

Diabetes Obes MetabPublished Systematic review and meta-analysis of real-world evidence studies

Authors' conclusion

RWE demonstrated differences in glycaemic outcomes, including TIR, between commercially available AID systems. User age influenced outcomes for all systems. Results must be interpreted cautiously given challenges and potential biases with RWE.

Study context

Population
Ambulatory people with T1D using commercial automated insulin delivery (AID) systems in real-world studies with n ≥ 250 and ≥10 days of CGM data; PubMed and Embase searched to March 2025
Participants
635,463 people34 studies
Comparison
Commercially available AID systems compared with each other
  • MiniMed 780Gn = 16
  • Control-IQn = 9
  • MiniMed 670Gn = 6
Outcome
TIR and HbA1c (main outcomes)
Methodological detailsrandom-effects meta-analysis, AID system as moderator, scenario analyses by age and optimal device settings
  • Random-effects meta-analysis
  • AID system as moderator
  • Scenario analyses by age and optimal device settings

Pooled result

As reported in the abstract

TIR

Further pooled results

HbA1c
Percent
Loop
6.5%(CI 5.4–7.7)
MiniMed 780G
7.0%(CI 6.7–7.4)
Between-system differences in HbA1c not significant
  • 95% CI

Heterogeneity and effect modifiers

Significant residual heterogeneity
Age an important effect modifier; younger users had less favourable outcomes
Optimal device settings improved glycaemic outcomes

Original publication

A systematic literature review and meta‐analysis of real‐world evidence on commercially available automated insulin delivery systems in people with type 1 diabetes. Diabetes Obes Metab. Published 8 October 2025. doi:10.1111/dom.70161

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