Clinical trial Recruiting at 15 sites Phase 3 Interventional Ages 18 to 75

Cebranopadol for Acute Pain in Adults After Surgery or Injury

Official title: An Open-Label, Single-Arm, Multiple-Dose, Phase 3 Safety and Efficacy Study of Cebranopadol in Participants With Moderate to Severe Acute Pain With Surgical or Non-Surgical Origin

Run by Adneuris Therapeutics, Inc. · NCT07845071 · Data updated 2026-11-12

This study tests whether cebranopadol can safely and effectively relieve moderate to severe acute pain in adults after surgery or a musculoskeletal injury.

More Chronic Pain trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment160 (estimated)
SponsorAdneuris Therapeutics, Inc.
Industry-sponsored
Locations15 sites (Phoenix, Arizona and 14 other locations)
StatusRecruiting
StartedSeptember 22, 2026
Main results expectedJanuary 2027
Study endsFebruary 2027
Registry record updatedOctober 23, 2026
Trial IDNCT07845071 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults aged 18 to 75 with moderate to severe acute pain from ambulatory surgery or musculoskeletal conditions.

Probably not a fit

Patients with chronic pain, significant medical or psychiatric conditions, substance use history, pregnancy, or those already receiving conflicting treatments may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a phase 3, open-label study to evaluate safety and efficacy of cebranopadol 400 µg in adults with acute pain from ambulatory surgery or musculoskeletal injuries. Participants must have a pain score of 4 or higher and meet other criteria, with follow-up to monitor outcomes and any adverse effects. The study will be conducted at three U.S. sites and involves continuous assessment of pain relief and safety signals. Status and results will inform whether cebranopadol could be an option for managing acute pain in this population.

Why it matters

Potential benefit: If successful, participants may experience meaningful pain relief and clinicians could have an additional analgesic option for acute pain.

How similar studies have gone: Chronic and acute pain studies with cebranopadol have shown varying results; this phase 3 study aims to confirm safety and efficacy in acute pain.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults 18 to 75 years of age.
* Able to provide informed consent.
* Experiencing moderate to severe acute pain related to: 1) An ambulatory surgical procedure expected to cause pain lasting at least 72 hours, or 2) A traumatic or non-traumatic musculoskeletal condition.
* Have a pain score of at least 4 on a 0 to 10 pain rating scale before starting study treatment.
* Willing and able to comply with study requirements

Exclusion Criteria:

* Chronic pain condition that requires ongoing pain medication.
* Significant medical or psychiatric condition that could affect participation or study results.
* History of substance use disorder or misuse of alcohol or drugs.
* Current use of medications that may interfere with the study drug or pain assessments.
* Known allergy or intolerance to cebranopadol or permitted rescue pain medications.
* Pregnant or breastfeeding.
* Participation in another clinical trial or receipt of an investigational drug within the protocol-defined period before study entry.
* Any condition that, in the investigator's opinion, would make participation unsafe or interfere with study assessments.

Where it's running

  • Adneuris Site 001115
    Phoenix, Arizona, United States
    Recruiting
  • Adneuris Site 001118
    Riverside, California, United States
    Recruiting
  • Adneuris Site 001119
    Longmont, Colorado, United States
    Recruiting
  • Adneuris Site 001122
    Savannah, Georgia, United States
    Recruiting
  • Adneuris Site 001123
    O'Fallon, Illinois, United States
    Recruiting
  • Adneuris Site 001125
    Annapolis, Maryland, United States
    Recruiting
Show 9 more locations
  • Adneuris Site 001120
    Oradell, New Jersey, United States
    Recruiting
  • Adneuris Site 001124
    Tulsa, Oklahoma, United States
    Recruiting
  • Adneuris Site 001110
    Bellaire, Texas, United States
    Recruiting
  • Adneuris Site 001117
    Forney, Texas, United States
    Recruiting
  • Adneuris Site 001104
    McAllen, Texas, United States
    Recruiting
  • Adneuris Site 001116
    Plano, Texas, United States
    Recruiting
  • Adneuris Site 001111
    San Antonio, Texas, United States
    Recruiting
  • Adneuris Site 001121
    San Antonio, Texas, United States
    Recruiting
  • Adneuris Site 001101
    Salt Lake City, Utah, United States
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.