Is increased glicentin release after gastric bypass linked to better blood sugar control from higher insulin in a type 2 diabetes patient without remission after sleeve gastrectomy?

The authors declare no conflict of interest in this study. Approval of the research protocol: The case study is a part of clinical studies on the differences in postprandial glucose and triglyceride excursions in severely obese patients between before and after LSG shown in Ref. . The study was conducted according to the guidelines of the Declaration of Helsinki and was approved by the Institutional Review Board of Kusatsu General Hospital (protocol no. 2017‐0317‐05, date of registry: 24 March, 2017). Note that the name of Kusatsu General Hospital was changed to Omi Medical Center on October 1, 2021. Informed consent: Written informed consent to participate in the study and to publish the paper has been obtained. Registry and the registration no. of the study: This study was not related to an intervention study. Therefore, we did not apply the registration of the protocol. Animal study: N/A.