Impact of endogenous insulin secretion on the improvement of glucose variability in Japanese patients with type 2 diabetes treated with canagliflozin plus teneligliptin

Abstract Aims/Introduction To identify the effect of combination therapy with a dipeptidyl peptidase‐4 inhibitor and a sodium–glucose cotransporter 2 inhibitor compared with switching from a dipeptidyl peptidase‐4 inhibitor to a sodium–glucose cotransporter 2 inhibitor on improving the glucose varia...

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Main Authors: Aika Miya, Akinobu Nakamura, Kyu Yong Cho, Shinichiro Kawata, Hiroshi Nomoto, So Nagai, Hajime Sugawara, Shinji Taneda, Kazuhisa Tsuchida, Kazuno Omori, Hiroki Yokoyama, Jun Takeuchi, Shin Aoki, Yoshio Kurihara, Tatsuya Atsumi, Hideaki Miyoshi
Format: Article
Language:English
Published: Wiley 2021-08-01
Series:Journal of Diabetes Investigation
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Online Access:https://doi.org/10.1111/jdi.13479
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Summary:Abstract Aims/Introduction To identify the effect of combination therapy with a dipeptidyl peptidase‐4 inhibitor and a sodium–glucose cotransporter 2 inhibitor compared with switching from a dipeptidyl peptidase‐4 inhibitor to a sodium–glucose cotransporter 2 inhibitor on improving the glucose variability in patients with or without impaired endogenous insulin secretion. Materials and Methods A secondary analysis regarding the relationship between endogenous insulin secretion and the change in mean amplitude of glycemic excursions (ΔMAGE) was carried out in a multicenter, prospective, randomized, parallel‐group comparison trial that enrolled patients with type 2 diabetes who had been taking teneligliptin and were treated by switching to canagliflozin (SWITCH) or adding canagliflozin (COMB). Participants were categorized into the following four subgroups: SWITCH or COMB and high or low fasting C‐peptide (CPR) divided at baseline by the median. Results ΔMAGE in the COMB group was greatly improved independent of a high or low CPR (−29.2 ± 28.3 vs −20.0 ± 24.6, respectively; P = 0.60). However, ΔMAGE was not ameliorated in the low CPR SWITCH group, and the ΔMAGE was significantly smaller than that in the high CPR COMB group (P < 0.01). Conclusions COMB would be a better protocol rather than switching teneligliptin to canagliflozin to improve daily glucose variability in patients with impaired endogenous insulin secretion.
ISSN:2040-1116
2040-1124