In this issue of Diabetes Care, Linnebjerg et al. (1) compare the pharmacokinetics (PK) and pharmacodynamics (PD) of a Lilly synthetized insulin glargine (LY IGlar) with the insulin glargine Lantus (IGlar) based on a series of clamp studies in healthy volunteers and conclude for PK/PD that there is similarity of the LY IGlar vs. IGlar. The strengths of the study should be discussed along with i...