Ascending-Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics of DC371739 Single-Dose Treatment in Healthy Subjects

Inclusion Criteria: 1. Aged 18-40 years, inclusive, male; 2. Weight≥50kg; body mass index of 19 to 26 kg/m2, inclusive; 3. Based on the medical history, physical examination, clinical laboratory examination, 12-lead ECG and vital signs results, subjects with no evidence of active or chronic diseases, or clinically significant abnormalities; Exclusion Criteria: 1. Subjects with a history of allergy to study drug ingredients or similar drug, with a history of allergic disease or allergic constitution 2. Presence of symptoms or related history of any major disease, including but not limited to heart, liver, kidney diseases or other acute and chronic digestive tract diseases, respiratory diseases, bone and joint diseases, as well as blood, endocrine, nerve, mental and other systemic disease, or any other diseases or physiological conditions that could interfere with the results; 3. Any surgical condition or condition that may significantly affect the metabolism and excretion of drug absorption and distribution, or that may pose a hazard to the subjects participating in the study; Any surgical condition or condition that may significantly affect the absorption, distribution, metabolism, and excretion of the study drug, or any surgical condition or condition that may harm to the subjects participating in the study; 4. Subjects who donated blood or lost 400 ml of blood within 3 months prior to screening; The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.