RecruitingPhase 2Drug trialA Study to Evaluate Efficacy and Safety of IBI356 in Participants With Moderate to Severe Atopic DermatitisThis is a multi-center, randomized, double-blind, parallel, placebo-controlled phase 2 clinical study. A total of 403 adult participants with moderate to severe AD are planned to be enrolled to evaluate efficacy, safety, PK characteristics, immunogenicity, and changes in PD characteristics of IBI356.