[Translation] A randomized, double-blind, placebo-controlled, single-dose and multiple-dose escalation phase I clinical study evaluating the safety, tolerability, and pharmacokinetic characteristics of YKYY018 nebulized inhaler in healthy adult participants.
主要目的
评估YKYY018雾化吸入剂在健康成人参与者中单次和多次给药后的安全性和耐受性。
次要目的
评估YKYY018雾化吸入剂在健康成人参与者中单次和多次给药后的PK特征;
评估YKYY018雾化吸入剂在健康成人参与者中的免疫原性。
[Translation] Primary Objective: To evaluate the safety and tolerability of YKYY018 nebulized inhaler in healthy adult participants after single and multiple doses.
Secondary Objectives: To evaluate the pharmacokinetic characteristics of YKYY018 nebulized inhaler in healthy adult participants after single and multiple doses; to evaluate the immunogenicity of YKYY018 nebulized inhaler in healthy adult participants.