About this trial
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.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
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.
Disqualifiers
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.
Trial design
Parallel
Treatments tested in this trial
626
DrugSingle subcutaneous injection
Placebo
DrugSingle subcutaneous injection
Treatment groups
6
Treatment groupsSee each treatment group below.
Trial outcomes
Primary outcomes
Number of participants with Adverse Events
Incidence of adverse events will be summarized by SOC and PT for each treatment group, and also be summarized by severity and association with the study treatments.
Secondary outcomes
Cmax
Peak concentration (Cmax) will be calculated.
Tmax
Time to peak concentration (Tmax) will be calculated.
AUC0-last
Area under the concentration-time curve from time 0 to the time point of last measurable concentration post-dose (AUC0-last) will be calculated.
Incidence of Anti-Drug Antibody
Anti-drug antibody (ADA) positive rate and titer will be calculated. Incidence of neutralizing antibody (Nab) if ADA is positive.
Sponsors and contacts
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