Beijing Tuojie Biomedical Technology Co., Ltd.

Primary study objectives: To evaluate the safety and tolerability of single and multiple subcutaneous injections of HRS-4729 injection in healthy subjects. Secondary study objectives: 1. To evaluate the pharmacokinetic (PK) characteristics and immunogenicity of a single subcutaneous injection of HRS-4729 injection in healthy subjects; 2. To evaluate the pharmacokinetic (PK), pharmacodynamic (PD) characteristics and immunogenicity of multiple subcutaneous injections of HRS-4729 injection in healthy subjects. Exploratory objectives: 1. To evaluate the pharmacodynamic (PD) characteristics of a single subcutaneous injection of HRS-4729 injection in healthy subjects; 2. To evaluate the effect of HRS-4729 injection on the QT/QTc interval; 3. To explore the effect of multiple subcutaneous injections of HRS-4729 injection on the pharmacokinetic (PK) characteristics of acetaminophen; 4. To explore the PD differences between HRS-4729 and HRS9531.

Primary objective: To evaluate the safety and tolerability of single and multiple subcutaneous injections of SHR-6934 injection in healthy subjects. Secondary objectives: To evaluate the pharmacokinetic (PK) characteristics and immunogenicity of single and multiple subcutaneous injections of SHR-6934 injection in healthy subjects; To evaluate the effect of SHR-6934 on the QT interval.