A Phase 1 Clinical Study in Healthy Participants

Inclusion Criteria:

• Must have given written informed consent and be able to comply with all study requirements
• Males or females aged 18 to 65 years old, inclusive, at the time of informed consent
• Body mass index (BMI) ≥18.0 and ≤32.0 kg/m2 and body weight ≥50.0 kg.
• APTT, PT, INR, and FXI activity within the normal range at screening
• Agree to avoid activities that can increase the risk of severe bleeding
• Female participants must be non-pregnant
• Male participants with female partners of child-bearing potential must agree to use acceptable methods of contraception from screening until 360 days following administration of the study drug

Exclusion Criteria:

• Any clinically significant chronic medical condition or clinically significant abnormality in laboratory parameters
• Any skin condition and/or tattoo
• Hospitalization for any reason within 60 days prior to screening
• History or presence of cancer
• Any clinically significant acute condition
• Systolic blood pressure ≥140 mmHg and/or diastolic blood pressure ≥90 mmHg after at least 5 minutes resting
• Clinical laboratory findings outside of range
• Any liver function panel analyte value > 1.2 × upper limits of normal (ULN)
• Positive for hepatitis B surface antigen (HBsAg), hepatitis C virus (HCV) antibody
• Single 12-lead ECG with clinically significant abnormalities at screening or Day -1
• Use of an investigational agent
• .Used of prescription drugs
• History or clinical evidence of alcohol substance abuse
• History or clinical evidence of drug abuse
• Positive test for alcohol or drugs of abuse at screening or Day -1
• Donated or lost >200 mL of blood
• .Any conditions which, in the opinion of the Investigator