Shanghai Yizhong Bio-Technology Co.,Ltd.

To evaluate the pharmacokinetic characteristics of single administration of different doses of freeze-dried recombinant human proinsulin C-peptide powder injection in healthy Chinese male and female subjects and the effect of food on its pharmacokinetic characteristics.

To observe the safety and tolerability of a single dose of freeze-dried recombinant human proinsulin C-peptide in healthy Chinese subjects, to provide a scientific basis for single-dose pharmacokinetic trials and continuous multiple-dose pharmacokinetic trials and continuous multiple-dose safety and tolerability trials, and to provide a reference for determining the safe dosage for Phase II and Phase III clinical trials.