Clinical Trial

Phase II Clinical Study of the Efficacy and Safety of HSK55718 in the Treatment of Abdominal Postoperative Pain

Recruiting Phase 2
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Summary
A multicenter, randomized, double-blind, placebo-controlled, and positive-controlled phase II clinical trial was conducted to evaluate the efficacy and safety of HSK55718 injection for postoperative analgesia in patients undergoing abdominal surgery. The primary objective was to evaluate the efficacy of HSK55718 for postoperative analgesia after abdominal surgery. The secondary objective was to evaluate the safety and pharmacokinetic profile of TRD303 solution for postoperative analgesia after abdominal surgery.
Protocol Amendment History 1 change
critical Recruitment opened 2026-07-22
Trial Details
NCT Number NCT07491146
Lead Sponsor Yingyong Zhou,MD,PhD
Conditions Pain After Abdominal Surgery
Enrollment 200 participants
Start Date 2026-05-23
Primary Completion 2026-10-30 (estimated)
Study Completion 2026-12-30 (estimated)
Updated on ClinicalTrials.gov 2026-07-21