Haneda M, et al. - The goal of this research was to verify the long-term safety and efficacy of teneligliptin in Japanese patients with type 2 diabetes mellitus (T2DM) and impaired renal function. Data were extracted from case report forms of the exploRing the long-term efficacy and safety included cardiovascUlar events in patients with type 2 diaBetes treated bY teneligliptin in the real-world (RUBY), surveillance between May 2013 and June 2017. Teneligliptin was generally noted to be well tolerated in patients with any stage of renal impairment from normal to end-stage renal disease, with the inclusion of those on dialysis, and improved glycemic control during the long-term treatment.