U.S., March 25 -- ClinicalTrials.gov registry received information related to the study (NCT06890533) titled 'A Study of YZJ-4729 Tartrate Injection for the Treatment of Pain After Abdominal Surgery' on March 11.

Brief Summary: The primary objective is to evaluate the analgesic efficacy and safety of IV YZJ-4729 Tartrate Injection in patients with acute postoperative pain following abdominal surgery.

Study Start Date: April, 2025

Study Type: INTERVENTIONAL

Condition: Pain

Intervention: DRUG: Experimental: YZJ-4729

Loading dose + demand dose

DRUG: Placebo Comparator: Saline

Loading dose + demand dose

DRUG: Active Comparator: Morphine

Loading dose + demand dose

Recruitment Status: NOT_YET_RECRUITING

Sponsor: Shanghai Haiyan Phar...