In this study, we compared LM50 with human insulin mix 50 (50% regular human insulin, 50% human insulin isophane suspension; Novolin® 50, Novo Nordisk, Bagsværd, Denmark) for the control of 2-h PPBG excursion following a standard test meal in Chinese patients with type 1 or type 2 diabetes. This evidence concerns the gene INS and type 2 diabetes mellitus.