A Phase 3 Study of LNK01001 Capsule in Subjects With Moderate to Severe Atopic Dermatitis.

Inclusion Criteria: * Participants must be at least ≥18 and ≤75 years of age. * The subject has a diagnosis of atopic dermatitis for at least 1 year. * Meets the following disease activity criteria: BSA ≥10% of AD involvement. EASI ≥16. IGA ≥3. WI-NRS ≥4. * Documented history of inadequate response to topical corticosteroids (TCS) or topical calcineurin inhibitor (TCI) or documented systemic treatment for AD within 6 months before Baseline Visit. Exclusion Criteria: * Vaccinated or exposed to a live or attenuated vaccine within the 6 weeks prior to the first dose of investigational product unable or unwilling to discontinue current atopic dermatitis treatments before the study. * Requirement of prohibited medications during the study. * Other active skin diseases or skin infections requiring systemic treatment or would interfere with appropriate assessment of atopic dermatitis lesions. * History of malignancy or current diagnosis of malignancy before screening visit. In the opinion of the investigator or sponsor, any uncontrolled clinically significant laboratory abnormality that would affect the interpretation of study data or the subject's participation in the study uncontrolled diabetes, hypertension, kidney disease, liver disease, or severe heart disease.