To Evaluate the Safety, Efficacy and Kinetic Characteristics of TRD205 Tablets for Postoperative Analgesia After Unilateral Hip Arthroplasty

Known allergies or contraindications to the investigational drug and other drugs that may be used during the trial, and those who are not suitable for participating in the trial judged by the investigator;

Use the following drugs within 5 half-lives before randomization (subject to the actual drug instructions, if the half-life is unknown, wash out according to 48h), including but not limited to: analgesic drugs (except specified in the protocol), anticonvulsants, sedative-hypnotic drugs (except used according to the protocol), anxiolytics, antidepressants, CYP3A4 enzyme inhibitors or inducers, etc., use of Chinese herbal medicine with clear analgesic effect assessed by the investigator within 7 days before randomization; sign the ICF to successfully use intra-articular injection of cocktail therapy (specific drugs include but not limited to local anesthetics such as ropivacaine, lidocaine, bupivacaine; analgesics such as morphine; steroid drugs such as dexamethasone and methylprednisolone); refer to the list of prohibited drugs for specific types;

Patients who cannot take oral drugs after surgery as judged by the investigator;

Patients who received ipsilateral hip surgery within 1 year before randomization;