U.S., April 17 -- ClinicalTrials.gov registry received information related to the study (NCT07533786) titled 'A Clinical Trial Evaluating the Efficacy and Safety of HSK55718 in Patients for Postoperative Pain Treatment in Abdominal Surgery' on April 09.

Brief Summary: This is a multi-center, randomized, double-blind, double-dummy, placebo/active-controlled study. 200 subjects undergoing abdominal surgery under general anesthesia are planned to be enrolled and randomized into the HSK55718 group, morphine group, and placebo group.

Study Start Date: April 20

Study Type: INTERVENTIONAL

Condition: Pain After Surgery

Intervention: DRUG: HSK55718 dose level 1

Patients administrated with HSK55718 at dose level 1

DRUG: HSK55718 dose level 2...