A Randomized, Double-Blind, Placebo-Controlled, Dose-Escalation Phase I Clinical Trial to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamic Characteristics of SSGJ-716 Injection Administered Subcutaneously in Healthy Chinese Adults and Participants With Moderate-to-Severe Atopic Dermatitis
The purpose of this Phase 1 study is to evaluate the safety and tolerability of a new investigational drug called SSGJ-716 in healthy adults and in participants with moderate-to-severe atopic dermatitis (AD). The study has two parts. The first part (Single Ascending Dose, SAD) will enroll healthy adults.The second part (Multiple Ascending Dose, MAD) will enroll participants with moderate-to-severe AD.
• Able to understand protocol requirements and sign a written ICF.
• Male or female subjects aged 18-45 years when signing the ICF.
• Male subjects with body weight ≥ 50 kg, and female subjects with body weight ≥ 45 kg. Subjects with BMI between 18 and 28 kg/m2.
• Subjects whose test results are normal, or abnormal without clinical significance as determined by the investigator.
• Female subjects with childbearing potential and male subjects (and their female partners) must agree to take highly effective contraceptive measures.