{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T03:22:32Z","timestamp":1783740152068,"version":"3.55.0"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T00:00:00Z","timestamp":1731024000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Diabetes Invest"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Aims\/Introduction<\/jats:title><jats:p>We evaluated the effect of the MiniMed\u2122 770G, an insulin pump using hybrid closed\u2010loop technology, on blood glucose management and quality of life in Japanese people with type 1 diabetes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>This was a 52\u2010week, prospective, observational study. Fifty Japanese people with type 1 diabetes switched from the MiniMed\u2122 640G to 770G, and we analyzed the continuous glucose monitoring data of 24 subjects who used auto mode throughout the study. We also analyzed the scores of the Diabetes Therapy\u2010Related Quality of Life questionnaire completed by 26 auto\u2010mode users before and after the treatment change.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The baseline time in range 70\u2013180\u2009mg\/dL was 67.3 (54.8\u201378.4)%, with a significant improvement beginning 8\u2009weeks after the switch and lasting until 52\u2009weeks. The baseline time below range &lt;70\u2009mg\/dL was 1.9 (0.6\u20133.6)%, with a significant increase at week 8; however, the mean value was less than 4% throughout the study period. On the other hand, the number of blood glucose measurements significantly increased. While there was no significant difference in the overall change in the total Diabetes Therapy\u2010Related Quality of Life score, there was a significant decrease in the treatment satisfaction score.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Use of the MiniMed\u2122 770G improved continuous glucose monitoring metrics. However, treatment satisfaction decreased, probably due to the increased frequency of blood glucose monitoring necessary to maintain auto mode.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jdi.14350","type":"journal-article","created":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T12:19:32Z","timestamp":1731068372000},"page":"326-333","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Effects of switching from <scp>MiniMed<\/scp>\u2122 <scp>640G<\/scp> to <scp>770G<\/scp> on continuous glucose monitoring metrics and <scp>DTR<\/scp>\u2010<scp>QOL<\/scp> scores: An observational study of Japanese people with type 1 diabetes mellitus"],"prefix":"10.1111","volume":"16","author":[{"given":"Toshiki","family":"Kogai","sequence":"first","affiliation":[{"name":"Department of Metabolism &amp; Endocrinology Juntendo University Graduate School of Medicine  Tokyo 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transition of time in range, basal insulin dose, and insulin sensitivity after introducing a hybrid closed loop of MiniMed 770G in outpatients with type 1 diabetes in real world cohort study","volume":"17","author":"Yoshihiko Yuyama TK","year":"2023","journal-title":"J Jpn Soc Adv Diabetes Care 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