Shenzhen Gaoyingtai Technology Development Co., Ltd.

To evaluate the efficacy and safety of Danshensu sodium injection in the treatment of coronary microvascular disease

(1) To evaluate the safety and tolerability of multiple intravenous infusions of Danshensu sodium injection in healthy Chinese volunteers, determine the safe dosage range of Danshensu sodium injection, and provide a reference for subsequent clinical development; (2) To evaluate the pharmacokinetic characteristics of multiple intravenous infusions of Danshensu sodium injection in healthy Chinese volunteers.

Main objectives: 1) To evaluate the safety and tolerability of single-dose danshensu sodium injection in healthy subjects, determine the maximum tolerated dose, and provide a basis for multiple-dose tolerance tests. 2) To investigate the pharmacokinetic characteristics of single-dose danshensu sodium injection in healthy subjects. Secondary objectives: To recommend doses for later clinical trials; safe and reasonable intravenous drip rates.