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Recruiting Phase 2 NCT07533786

NCT07533786 A Clinical Trial Evaluating the Efficacy and Safety of HSK55718 in Patients for Postoperative Pain Treatment in Abdominal Surgery

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Clinical Trial Summary
NCT ID NCT07533786
Status Recruiting
Phase Phase 2
Sponsor Haisco Pharmaceutical Group Co., Ltd.
Condition Pain After Surgery
Study Type INTERVENTIONAL
Enrollment 200 participants
Start Date 2026-05-22
Primary Completion 2026-11-22

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
HSK55718 dose level1HSK55718 dose level2HSK55718 dose level 3

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 200 participants in total. It began in 2026-05-22 with a primary completion date of 2026-11-22.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

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.

Eligibility Criteria

Inclusion Criteria: * Age ≥18 years old, regardless of gender; * 18 kg/m2≤BMI≤30 kg/m2; * American Society of Anesthesiologists (ASA) gradeⅰ-ⅲ; * Accept abdominal surgery under general anesthesia; * Within 4 hours after the end of surgery, NRS≥4 in the resting state at any time; * Fully understand and voluntarily participate this trial, and sign the informed consent form; Exclusion Criteria: * A history of cardiovascular, respiratory, neurological, or psychiatric diseases that meet the protocol-defined exclusion criteria. * Clinically significant abnormalities in laboratory tests during the screening period. * A history of severe drug allergy or known allergy to the investigational drug. * Continuous use of opioid analgesics for more than 10 days for any reason within 3 months prior to randomization. * Use of any medication that may affect analgesia, where the last dose was administered less than 5 half-lives of that drug before randomization. * A history of drug abuse, substance abuse, and/or alcohol abuse within the past year. * Pregnant or lactating women. * Participation in another drug clinical trial within 3 months prior to the screening period. * Presence of any sensory dysfunction. * Presence of any painful physical condition. * Subjects with any other factor considered by the investigator to be ineligible for participation in the trial.

Contact & Investigator

Central Contact

Yongrui Wang

✉ wangyr@haisco.com

📞 028-67258779

Frequently Asked Questions

Who can join the NCT07533786 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Pain After Surgery. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07533786 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT07533786 currently recruiting?

Yes, NCT07533786 is actively recruiting participants. Contact the research team at wangyr@haisco.com for enrollment information.

Where is the NCT07533786 trial being conducted?

This trial is being conducted at Changsha, China, Chengdu, China.

Who is sponsoring the NCT07533786 clinical trial?

NCT07533786 is sponsored by Haisco Pharmaceutical Group Co., Ltd.. The trial plans to enroll 200 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology