A 82-year old man presented to the Outpatient Department due to difficult-to-treat type 2 diabetes mellitus (T2DM), initially diagnosed 15 years ago. His rest medical history included coronary artery disease, chronic kidney disease stage 3b, hypertension, dyslipidemia and active smoking. Current antidiabetic treatment included insulin glargine U100, with a mean daily administration of 60 units, and metformin (Glucophage) 850 mg twice daily. Patient was placed on insulin treatment within the first year after T2DM diagnosis.
