A Clinical Trial of TQA3038 Injection in Healthy Adult Subjects

A Phase 1, Randomized, Double-Blinded, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Pharmacokinetics of TQA3038 Injection in Healthy Adult Subjects.

This is a phase 1 study in which healthy adult subjects will receive TQA3038 or placebo and will be assessed for safety, tolerability, pharmacokinetics.

In the single ascending dose (SAD) part, healthy adult subjects will receive one dose of TQA3038 or placebo, administered subcutaneously (SC).

Inclusion Criteria:

• Male or female age 18～60 years.
• Body mass index (BMI) 19 - 26 kg/m^2.

Exclusion Criteria:

• Any clinically significant chronic or acute medical condition that makes the volunteer unsuitable for participation；
• History or evidence of drug or alcohol abuse；
• History of intolerance to SC injection；