The DILT1D study successfully achieved enrolment of the study in a timely and efficient manner, with the study completing 11 months earlier than the two-year protocol specified target, with a recruitment rate of 3.3 participants per month that exceeded previous studies of IL-2 therapy in T1D (2.3 per month) [20] and healthy individuals (one per month) [21]. This evidence concerns the gene IL2 and type 1 diabetes mellitus.