Diabetes & Metabolism Journal

Original Article

Technology/Device
Efficacy and Safety of Automated Insulin Delivery Systems in Patients with Type 1 Diabetes Mellitus: A Systematic Review and Meta-Analysis: Wenqi Fan, Chao Deng, Ruoyao Xu, Zhenqi Liu, Richard David Leslie, Zhiguang Zhou, Xia Li; Diabetes Metab J. 2025;49(2):235-251. Published online November 13, 2024; DOI: https://doi.org/10.4093/dmj.2024.0130

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Background
Automated insulin delivery (AID) systems studies are upsurging, half of which were published in the last 5 years. We aimed to evaluate the efficacy and safety of AID systems in patients with type 1 diabetes mellitus (T1DM).
Methods
We searched PubMed, Embase, Cochrane Library, Web of Science, and ClinicalTrials.gov until August 31, 2023. Randomized clinical trials that compared AID systems with other insulin-based treatments in patients with T1DM were considered eligible. Studies characteristics and glycemic metrics was extracted by three researchers independently.
Results
Sixty-five trials (3,623 patients) were included. The percentage of time in range (TIR) was 11.74% (95% confidence interval [CI], 9.37 to 14.12; P<0.001) higher with AID systems compared with control treatments. Patients on AID systems had more pronounced improvement of time below range when diabetes duration was more than 20 years (–1.80% vs. –0.86%, P=0.031) and baseline glycosylated hemoglobin lower than 7.5% (–1.93% vs. –0.87%, P=0.033). Dual-hormone full closed-loop systems revealed a greater improvement in TIR compared with hybrid closed-loop systems (–19.64% vs. –10.87%). Notably, glycemia risk index (GRI) (–3.74; 95% CI, –6.34 to –1.14; P<0.01) was also improved with AID therapy.
Conclusion
AID systems showed significant advantages compared to other insulin-based treatments in improving glucose control represented by TIR and GRI in patients with T1DM, with more favorable effect in euglycemia by dual-hormone full closedloop systems as well as less hypoglycemia for patients who are within target for glycemic control and have longer diabetes duration.

Citations

Citations to this article as recorded by

Transitioning between automated insulin delivery systems: A focus on personalisation
Pilar Isabel Beato-Víbora, Ana Chico, Jesus Moreno-Fernandez, Sharona Azriel-Mira, Lia Nattero-Chávez, Rosario Vallejo Mora, Núria Alonso-Carril, Olga Simó-Servat, Eva Aguilera-Hurtado, Luz María Reyes Céspedes, Marisol Ruiz de Adana, Marta Domínguez, Ros
Diabetes Research and Clinical Practice.2025; 222: 112070. CrossRef
Advances in Continuous Glucose Monitoring: Clinical Applications
So Yoon Kwon, Jun Sung Moon
Endocrinology and Metabolism.2025; 40(2): 161. CrossRef
Efficacy and Safety of Automated Insulin Delivery Systems in Patients with Type 1 Diabetes Mellitus: A Systematic Review and Meta-Analysis (Diabetes Metab J 2025;49:235-51)
Wenqi Fan, Chao Deng, Zhiguang Zhou, Xia Li
Diabetes & Metabolism Journal.2025; 49(3): 520. CrossRef
Critical Insights into the Efficacy and Safety of Automated Insulin Delivery Systems in Patients with Type 1 Diabetes Mellitus (Diabetes Metab J 2025;49:235-51)
Sami Ullah, Ayesha Ahmad, Kamil Ahmad Kamil, Minahil Laraib Asif, Abdullah Jan
Diabetes & Metabolism Journal.2025; 49(3): 516. CrossRef

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