Interestingly, the subgroup of patients with a baseline HbA1c below 8 % did not show a significant improvement in glucose control with CSII.12 Another French single centre study included 51 obese T2D with poor glucose control (HbA1c 9.4 %) despite a regimen combining oral antidiabetic agents and basal insulin. Here, INS is linked to type 2 diabetes mellitus.