[Usefulness and limitations of basal insulin replacement in type 2 diabetes].

In the earlier stage of type 2 diabetes, the disease can be managed by life-style modification with or without oral antidiabetic agents. However, as the disease progress, most patients eventually require insulin treatment to maintain good glycemic/control. Optimal insulin therapy should mimic the normal physiologic secretory pattern. As for ideal basal insulin, to maintain desirable pre-prandial glucose levels, duration of action should be long enough, profiles such as flat time-action and less day-to-day variation would be mandatory. This article discusses the usefulness and limitations of basal insulin therapy in type 2 diabetes comparing NPH insulin, insulin detemir, insulin glargin and insulin degludec.