Overview
This is a randomized, double-blind, placebo-controlled, single ascending dose phase I clinical study to evaluate the safety, tolerability, PK and immunogenicity of SSGJ-626 in healthy adult subjects after single subcutaneous injection.
Description
Six dose groups are planned for dose escalation in this study. Subjects in all dose groups will receive a single subcutaneous injection. Group S1 follows open-labeled, single-arm design, Groups S2 to S6 follow randomized, double-blinded, placebo-control design. Blood samples will be collected for PK, immunogenicity, biomarkers, laboratory tests, etc. according to the study schedule throughout the study.
Eligibility
Inclusion Criteria:
- 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.
Exclusion Criteria:
- History of severe allergy, or with a history of allergy to the study treatment or related excipients.
- With any clinically significant diseases prior to the screening visit.
- Subjects with positive test results for hepatitis B surface antigen (HBsAg), anti-hepatitis C virus (HCV) antibody, anti-human immunodeficiency virus (HIV) antibody.
- History of of significant alcohol abuse.
- History of significant drug abuse.
- Subjects who have positive result for urine nicotine test at screening.
- Pregnant, or nursing females.