Comparison of Control‐IQ and open‐source AndroidAPS automated insulin delivery systems in adults with type 1 diabetes: The CODIAC study

Author:

Do Quoc Dat1,Hásková Aneta1,Radovnická Lucie23,Konečná Judita1,Horová Eva1,Parkin Christopher G.4,Grunberger George5ORCID,Prázný Martin1,Šoupal Jan1ORCID

Affiliation:

1. 3rd Department of Internal Medicine 1st Faculty of Medicine Charles University Prague Czech Republic

2. 1st Faculty of Medicine Charles University Prague Czech Republic

3. Department of Internal Medicine, Masaryk Hospital Ústí nad Labem Czech Republic

4. CGParkin Communications, Inc. Henderson Nevada USA

5. Grunberger Diabetes Institute Bloomfield Hills Michigan USA

Abstract

AbstractAimTo compare open‐source AndroidAPS (AAPS) and commercially available Control‐IQ (CIQ) automated insulin delivery (AID) systems in a prospective, open‐label, single‐arm clinical trial.MethodsAdults with type 1 diabetes who had been using AAPS by their own decision entered the first 3‐month AAPS phase then were switched to CIQ for 3 months. The results of this treatment were compared with those after the 3‐month AAPS phase. The primary endpoint was the change in time in range (% TIR; 70‐80 mg/dL).ResultsTwenty‐five people with diabetes (mean age 34.32 ± 11.07 years; HbA1c 6.4% ± 3%) participated in this study. CIQ was comparable with AAPS in achieving TIR (85.72% ± 7.64% vs. 84.24% ± 8.46%; P = .12). Similarly, there were no differences in percentage time above range (> 180 and > 250 mg/dL), mean sensor glucose (130.3 ± 13.9 vs. 128.3 ± 16.9 mg/dL; P = .21) or HbA1c (6.3% ± 2.1% vs. 6.4% ± 3.1%; P = .59). Percentage time below range (< 70 and < 54 mg/dL) was significantly lower using CIQ than AAPS. Even although participants were mostly satisfied with CIQ (63.6% mostly agreed, 9.1% strongly agreed), they did not plan to switch to CIQ.ConclusionsThe CODIAC study is the first prospective study investigating the switch between open‐source and commercially available AID systems. CIQ and AAPS were comparable in achieving TIR. However, hypoglycaemia was significantly lower with CIQ.

Publisher

Wiley

Subject

Endocrinology,Endocrinology, Diabetes and Metabolism,Internal Medicine

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