This study is a randomized, double-blind, placebo-controlled, dose-escalation, single-dose phase I clinical study, including safety tolerability assessment, pharmacokinetic studies and immunogenicity studies, to evaluate the expression level of mRNA in whole blood of 2',5'-oligoadenylate synthetase, as well as the level of Neopterin (NTP) in serum.
This is a Phase I，randomized, double-blind, placebo controlled,dose escalated,single administrated clinical trial in Chinese healthy adult's volunteers.~In the trial, it is planned to enroll 50 subjects, randomized to 5 dosage groups to receive the test drug and the placebo control.