Diabetes technology

Real-World Evidence of Automated Insulin Delivery System Use

Diabetes Technol TherPublished Systematic review of retrospective real-world studies

Authors' conclusion

With larger and more diverse populations, and follow-up periods of longer duration (∼9 months vs. 3-6 months for pivotal trials), real-world retrospective analyses confirm pivotal trial findings.

Study context

Population
Nonpregnant individuals with T1D; studies published after 2018 with >5 individuals (PubMed, EMBASE)
Participants
171,209 individuals20 studies
Comparison
Commercial automated insulin delivery (AID) use
Outcome
TIR 70-180 mg/dL (3.9-10.0 mmol/L) (primary outcome in 65% of studies)
Methodological detailsduplicate screening/extraction, PubMed and EMBASE searched; 80 studies identified, 20 included
  • Duplicate screening/extraction
  • PubMed and EMBASE searched; 80 studies identified, 20 included

Pooled result

As reported in the abstract

TIR 70-180 mg/dL

TIR primary outcome in % of studies

65%

Reports showing >10% change in TIR with AID

71%

Further pooled results

Change in hemoglobin A1c (HbA1c)

Studies reporting HbA1c change
9
Range of HbA1c change
0.1%-0.9%
Decrease >0.2% achieved in studies describing HbA1c change
two-thirds

Change in glucose management indicator (GMI)

Studies reporting GMI change
4
GMI reduction
0.1%-0.4%
Decrease >0.2% achieved in articles describing GMI
80%

Time in automation

Most systems had >90% time in automation

Safety

TBR <70 mg/dL (<3.9 mmol/L)

Studies reporting TBR
16
All but 1 study showed stable or reduced levels

Original publication

Real-World Evidence of Automated Insulin Delivery System Use. Diabetes Technol Ther. Published 5 February 2024. doi:10.1089/dia.2023.0442

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