Diabetes technology

Efficacy, Safety, and Satisfaction with the Accu-Chek Insight with Diabeloop Closed-Loop System in Subjects with Type 1 Diabetes: A Multicenter Real-World Study

Diabetes Technol TherPublished Retrospective real-world multicentre study

Authors' conclusion

A significant improvement in glycemic control without serious adverse events and a high degree of patient satisfaction were observed in this first real-world study evaluating the closed-loop system, Accu-Chek Insight with Diabeloop.

Study context

Population
Adults with T1D using DBLG1 for at least 3 months; 43 women; age 44.2 ± 11 years; diabetes duration 24.6 ± 12 years; 40 flash and 22 continuous glucose monitoring (CGM); 45 pump and 17 MDI
Participants
62 adults
Exposure
DBLG1 closed-loop system: baseline vs after starting
  • DBLG1n = 62
Outcome
CGM-derived glucose metrics (baseline vs first month)
Follow-up
First month
Methodological detailsmulticenter, single-group before-after, Settings adjusted in general toward greater aggressiveness
  • Multicenter
  • Single-group before-after
  • Settings adjusted in general toward greater aggressiveness

Main finding

As reported in the abstract

%TIR 70-180 mg/dL
54.86 ± 17 vs. 72.23 ± 10.11
%TAR1 180-250 mg/dL
26.26 ± 13.3 vs. 19.48 ± 6.78
%TAR2 > 250 mg/dL
12.02 ± 13.09 vs. 6.14 ± 5.23
%TBR1 54-70 mg/dL
5.73 ± 11.5 vs. 1.67 ± 1.3
%TBR2 < 54 mg/dL
1.18 ± 1.97 vs.0.44 ± 0.49
%CV
38.66 ± 7.53 vs. 29.63 ± 3.74
Median glucose
168.57 ± 36 mg/dL vs. 154.63 ± 17.55 mg/dL
%GMI
7.37 ± 0.91 vs. 7.02 ± 0.42

Observational data: associations, not effects.

Further findings

HbA1c (before vs 3 months)

HbA1c decreased significantly
7.45% ± 1.05% vs. 6.95% ± 0.7%

Subgroups by prior therapy or glucose monitoring system

Similar improvement regardless of prior therapy or glucose monitoring system

Patient satisfaction

Overall, patient satisfaction was high

Safety

Acute complications, serious adverse events, discontinuation, technical issues

Acute complications or serious adverse events
0
Discontinued DBLG1
3
Technical issues
21

Original publication

Efficacy, Safety, and Satisfaction with the Accu-Chek Insight with Diabeloop Closed-Loop System in Subjects with Type 1 Diabetes: A Multicenter Real-World Study. Diabetes Technol Ther. Published 17 February 2023. doi:10.1089/dia.2022.0449

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