1)Kubota A, et al:Efficacy and safety of sitagliptin monotherapy and combination therapy in Japanese type 2 diabetes patients. J Diabetes Investig 3:503-509, 2012
2)Nishimura T, et al:C-peptide immunoreactivity index is associated with improvement of HbA1c;2-year follow-up of sitagliptin use in patients with type 2 diabetes. Diabetes Res Clin Pract 108:441-447, 2015
3)Nomiyama T, et al:Contributing factors related to efficacy of the dipeptidyl peptidase-4 inhibitor sitagliptin in Japanese patients with type 2 diabetes. Diabetes Res Clin Pract 95:e27-e28, 2012
4)Esposito K, et al:A nomogram to estimate the HbA1c responses to different DPP-4 inhibitors in type 2 diabetes;A systematic review and meta-analysis of 98 trials with 24163 patients. BMJ Open 5:e005892, 2015
5)日本糖尿病学会(編著):糖尿病治療ガイド2016-2017,文光堂,2016
6)日本糖尿病学会(編):糖尿病専門医研修ガイドブック,改訂第7版,診断と治療社,2017