1. American Diabetes Association. Standards of medical care in diabetes: 2013. Diabetes Care. 2013; 36:Suppl 1. S11–S66.
2. Monami M, Cremasco F, Lamanna C, Marchionni N, Mannucci E. Predictors of response to dipeptidyl peptidase-4 inhibitors: evidence from randomized clinical trials. Diabetes Metab Res Rev. 2011; 27:362–372.
3. Kim YG, Hahn S, Oh TJ, Kwak SH, Park KS, Cho YM. Differences in the glucose-lowering efficacy of dipeptidyl peptidase-4 inhibitors between Asians and non-Asians: a systematic review and meta-analysis. Diabetologia. 2013; 56:696–708.
4. Nomiyama T, Akehi Y, Takenoshita H, Nagaishi R, Terawaki Y, Nagasako H, Kudo T, Kodera T, Kobayashi K, Urata H, Yanase T. CHAT. Contributing factors related to efficacy of the dipeptidyl peptidase-4 inhibitor sitagliptin in Japanese patients with type 2 diabetes. Diabetes Res Clin Pract. 2012; 95:e27–e28.
5. Maeda H, Kubota A, Tanaka Y, Terauchi Y, Matsuba I. ASSET-K Study group. The safety, efficacy and predictors for HbA1c reduction of sitagliptin in the treatment of Japanese type 2 diabetes. Diabetes Res Clin Pract. 2012; 95:e20–e22.
6. Iwasaki M, Hoshian F, Tsuji T, Hirose N, Matsumoto T, Kitatani N, Sugawara K, Usui R, Kuwata H, Sugizaki K, Kitamoto Y, Fujiwara S, Watanabe K, Hyo T, Kurose T, Seino Y, Yabe D. Predicting efficacy of dipeptidyl peptidase-4 inhibitors in patients with type 2 diabetes: association of glycated hemoglobin reduction with serum eicosapentaenoic acid and docosahexaenoic acid levels. J Diabetes Investig. 2012; 3:464–467.
7. Lim S, An JH, Shin H, Khang AR, Lee Y, Ahn HY, Yoon JW, Kang SM, Choi SH, Cho YM, Park KS, Jang HC. Factors predicting therapeutic efficacy of combination treatment with sitagliptin and metformin in type 2 diabetic patients: the COSMETIC study. Clin Endocrinol (Oxf). 2012; 77:215–223.
8. Satoh J, Takahashi K, Takizawa Y, Ishihara H, Hirai M, Katagiri H, Hinokio Y, Suzuki S, Tsuji I, Oka Y. Secondary sulfonylurea failure: comparison of period until insulin treatment between diabetic patients treated with gliclazide and glibenclamide. Diabetes Res Clin Pract. 2005; 70:291–297.
9. Kirino Y, Sei M, Kawazoe K, Minakuchi K, Sato Y. Plasma dipeptidyl peptidase 4 activity correlates with body mass index and the plasma adiponectin concentration in healthy young people. Endocr J. 2012; 59:949–953.
10. Scirica BM, Bhatt DL, Braunwald E, Steg PG, Davidson J, Hirshberg B, Ohman P, Frederich R, Wiviott SD, Hoffman EB, Cavender MA, Udell JA, Desai NR, Mosenzon O, McGuire DK, Ray KK, Leiter LA, Raz I. SAVOR-TIMI 53 Steering Committee and Investigators. Saxagliptin and cardiovascular outcomes in patients with type 2 diabetes mellitus. N Engl J Med. 2013; 369:1317–1326.
11. White WB, Cannon CP, Heller SR, Nissen SE, Bergenstal RM, Bakris GL, Perez AT, Fleck PR, Mehta CR, Kupfer S, Wilson C, Cushman WC, Zannad F. EXAMINE Investigators. Alogliptin after acute coronary syndrome in patients with type 2 diabetes. N Engl J Med. 2013; 369:1327–1335.
12. Monami M, Ahren B, Dicembrini I, Mannucci E. Dipeptidyl peptidase-4 inhibitors and cardiovascular risk: a meta-analysis of randomized clinical trials. Diabetes Obes Metab. 2013; 15:112–120.
13. Patil HR, Al Badarin FJ, Al Shami HA, Bhatti SK, Lavie CJ, Bell DS, O'Keefe JH. Meta-analysis of effect of dipeptidyl peptidase-4 inhibitors on cardiovascular risk in type 2 diabetes mellitus. Am J Cardiol. 2012; 110:826–833.
14. Teramoto T, Sasaki J, Ishibashi S, Birou S, Daida H, Dohi S, Egusa G, Hiro T, Hirobe K, Iida M, Kihara S, Kinoshita M, Maruyama C, Ohta T, Okamura T, Yamashita S, Yokode M, Yokote K. Diabetes mellitus. Executive summary of the Japan Atherosclerosis Society (JAS) guidelines for the diagnosis and prevention of atherosclerotic cardiovascular diseases in Japan: 2012 version. J Atheroscler Thromb. 2014; 21:93–98.
15. Sakamoto Y, Oyama J, Ikeda H, Kuroki S, Gondo S, Iwamoto T, Uchida Y, Kodama K, Hiwatashi A, Shimomura M, Taguchi I, Inoue T, Node K. S-DOG investigators. Effects of sitagliptin beyond glycemic control: focus on quality of life. Cardiovasc Diabetol. 2013; 12:35.
16. Ayaori M, Iwakami N, Uto-Kondo H, Sato H, Sasaki M, Komatsu T, Iizuka M, Takiguchi S, Yakushiji E, Nakaya K, Yogo M, Ogura M, Takase B, Murakami T, Ikewaki K. Dipeptidyl peptidase-4 inhibitors attenuate endothelial function as evaluated by flow-mediated vasodilatation in type 2 diabetic patients. J Am Heart Assoc. 2013; 2:e003277.
17. Monami M, Lamanna C, Desideri CM, Mannucci E. DPP-4 inhibitors and lipids: systematic review and meta-analysis. Adv Ther. 2012; 29:14–25.
18. Flock G, Baggio LL, Longuet C, Drucker DJ. Incretin receptors for glucagon-like peptide 1 and glucose-dependent insulinotropic polypeptide are essential for the sustained metabolic actions of vildagliptin in mice. Diabetes. 2007; 56:3006–3013.
19. Hsieh J, Longuet C, Baker CL, Qin B, Federico LM, Drucker DJ, Adeli K. The glucagon-like peptide 1 receptor is essential for postprandial lipoprotein synthesis and secretion in hamsters and mice. Diabetologia. 2010; 53:552–561.