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Objectives: Glucose monitoring in diabetes is changing overtime with a constant development of new devices for continuous glucose monitoring (CGM). Aim of this observational, prospective study was to evaluate the clinical performance of a novel intermittently scanned CGM system, the Glunovo Flash in a cohort of patients with type 1 diabetes., Methods: A total of 45 patients with T1D followed at the Endocrinology Unit of the ASST-FBF-Sacco (Milan) were enrolled. All patients were habitual CGM users and were asked to wear simultaneously the Glunovo Flash system and their habitual CGM device for 14 days. A comparison of CGM glucose metrics was performed. Patients' opinions on the new device were also collected., Results: Thirty-five patients completed the study period of two weeks (7 habitual real time CGM users, 28 habitual intermittently scanned CGM users). Mean Time In Range resulted significantly higher with the novel studied sensor respect to intermittently scanned CGM comparator. No differences were found considering other glucose metrics. A positive correlation was found between the Time In Range recorded by Glunovo Flash and intermittently scanned CGM comparators as well as for Time Above Range, Glucose Management Indicator, Time Below Range and Coefficient of Variation. No correlations were found between glucose metrics recorded by Glunovo Flash and real time CGM comparators. Patients reported a positive experience of use with the new sensor but some elements appeared improvable., Conclusions: The CGM device Glunovo Flash for patients with diabetes shows similar performance to other intermittently scanned CGM systems., Competing Interests: Conflict of interestOn behalf of all authors the corresponding author states that they have no other conflict of interest related to the work submitted for publication. No financial interests are directly or indirectly related to the work submitted., (© The Author(s), under exclusive licence to Tehran University of Medical Sciences 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.)

Aims: The use of advanced hybrid closed loop systems is spreading due to the beneficial effects on glycometabolic control obtained in patients with type 1 diabetes. However, hypoglycemic episodes can be sometimes a matter of concern. We aim to compare the hypoglycemic risk of an advanced hybrid closed loop system and a predictive low glucose suspend sensor augmented pump., Methods: In this retrospective three months observational study, we included 30 patients using Medtronic Minimed™ 780G advanced hybrid closed loop system and 30 patients using a Medtronic Minimed™ predictive low glucose suspend sensor augmented pump., Results: The advanced hybrid closed loop system reduced the time spent above 180 mg/dL threshold and increased the time in range as compared to the predictive low glucose suspend. No severe hypoglycemia occurred in both groups and no differences were observed in the percentage of time spent below 70 mg/dl and 54 mg/dl glucose threshold. Nevertheless, more hypoglycemic episodes were recorded during daytime, but not in nighttime, with the use of the advanced hybrid closed loop system., Conclusions: Our results confirmed the general improvement of glycemic outcomes obtained with the advanced hybrid closed loop system; however more hypoglycemic episodes during daytime were evident., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023. Published by Elsevier B.V.)