Clinical Research Directory

Inclusion Criteria: 1. Understand the study procedures and methods, voluntarily participate in the study, comply with study requirements, and sign the written informed consent form (ICF); 2. Male or female aged 18-60; 3. Females must have a negative pregnancy test at the Screening Visit; 4. Body mass index (BMI) between 19 and 28 kg/m2; 5. Normal Electrocardiogram (ECG); 6. Men and women of childbearing potential must agree to take effective contraceptive methods. Exclusion Criteria: 1. History of any clinically important disease or disorder; 2. History of drug or other allergies, or who, in the judgement of the investigator, may be allergic to the study drug or any component of the study drug; 3. Prior history of risk factors for Torsades de Pointes, such as unexplained syncope, definite long QT syndrome (including family history), heart failure, myocardial infarction, angina pectoris; 4. Systolic blood pressure (SBP)≥140 mmHg or \<90 mmHg, diastolic blood pressure (DBP) ≥90 mmHg or \<60 mmHg; 5. Patients with orthostatic hypotension; 6. Positive results of hepatitis B surface antigen, hepatitis C antibody, syphilis antibody and human immunodeficiency virus antibody.