Safety and Analgesic Efficacy of the Biased μ-Opioid Receptor Agonist Tegileridine for Post-Operative Analgesia in Patients Undergoing Bariatric Surgery

October 31, 2026 updated by: The First Hospital of Jilin University

Safety and Analgesic Efficacy of the Biased μ-Opioid Receptor Agonist Tapentadol in Patients Undergoing Bariatric Surgery

This single-center, stratified randomized double-blind trial tests tegileridine, a new pain drug, for pain relief after weight-loss surgery. Researchers will compare tegileridine with standard opioid pain medicine.

Eligible patients having bariatric surgery will be randomly assigned to one of the two treatment groups. Patients and study teams will not know which treatment each participant receives. Participants will be grouped based on whether they have obstructive sleep apnea (OSA).

The primary measurement is postoperative recovery quality in the first 24 hours after surgery using the QoR-15 survey. The study will also track pain scores, rescue pain medication use, and drug side effects for 7 days after surgery.

There is no guaranteed benefit for participants. Study pain medicines may cause side effects. Doctors will provide rescue treatment for uncontrolled pain.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

148

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • China
    • Jilin
      • Changchun, Jilin, China, 130000
        • Recruiting
        • The First Hospital of Jilin University
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Age 18 to 65 years old
  • Scheduled for elective bariatric surgery
  • American Society of Anesthesiologists (ASA) physical status I, II or III
  • Able to understand and complete the QoR-15 questionnaire
  • Provide written informed consent to participate in the study

Exclusion Criteria:

  • Known allergy or hypersensitivity to opioids, tegileridine or sufentanil
  • Severe hepatic or renal dysfunction
  • Preoperative chronic opioid use
  • History of severe respiratory disease except obstructive sleep apnea
  • Pregnant or breastfeeding women
  • Participants who cannot complete postoperative follow-up
  • Participation in another interventional clinical trial within 30 days before surgery

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Tegileridine Group
Drug: Tegileridine (tegileridine fumarate injection, IV)

Tegileridine will be given to participants for postoperative pain relief after bariatric surgery.
Active Comparator: Standard Opioid Group
Drug: Sufentanil

Sufentanil, a standard opioid analgesic, will be given to participants to manage postoperative pain following bariatric surgery.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Quality of Recovery-15 (QoR-15) Score at 24 Hours After Surgery
Time Frame: 24 hours after bariatric surgery

The Quality of Recovery-15 (QoR-15) is a validated questionnaire used to assess the quality of postoperative recovery. The total score ranges from a minimum of 0 to a maximum of 150. A higher score indicates a better quality of recovery.
24 hours after bariatric surgery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

The First Hospital of Jilin University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 28, 2026

Primary Completion (Estimated)

October 1, 2027

Study Completion (Estimated)

October 1, 2027

Study Registration Dates

First Submitted

September 22, 2026

First Submitted That Met QC Criteria

September 22, 2026

First Posted (Actual)

September 28, 2026

Study Record Updates

Last Update Posted (Actual)

November 3, 2026

Last Update Submitted That Met QC Criteria

October 31, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2026-HS-0043

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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