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NCT Number: NCT07672015

Precision Pain Management - A Randomized Clinical Trial Assessing the Efficacy of Suzetrigine on Postoperative Analgesia Among Surgical Patients at Higher Risk for Persistent Postoperative Opioid Use (POU)

The purpose of the study is to investigate the efficacy of suzetrigine for treatment of acute postoperative pain among surgical patients identified as high risk for persistent postoperative opioid use (POU). Using a validated artificial intelligence predictive model (termed SurgNet-POU) developed by the PI, electronic health record (EHR) data will be queried from all prospective surgical patients undergoing orthopedic surgery and inputted into the model to predict risk of POU (defined as requiring opioids ≥ 3 months after surgery). Those identified as high risk by the SurgNet-POU will be eligible candidates for this study. Suzetrigine (Vertex Pharmaceuticals) is an FDA-approved non-opioid oral analgesic that acts as a selective Nav1.8 sodium channel blocker. It has been shown to have efficacy in post-surgical pain and has compared favorably to placebo and similar to some opioids, without the risk of addiction or other adverse events related to opioids. Consented participants will be randomized to one of two arms: (1) standard care (termed standard care) defined as usual prescribing outpatient opioid analgesic protocols per surgical team; versus (2) standard care combined with 14-day regimen of suzetrigine. Those randomized to the suzetrigine arm will receive 100mg suzetrigine PO ~ 1-2 hours prior to surgery and take 50mg po twice a day for 14 days postoperatively. The primary outcome will be total opioid consumption over 14 days postoperatively. Secondary outcomes include average, highest and lowest pain scores at 7, 14, 30, and 90 days after surgery; and opioid consumption at 7, 30, and 90 days after surgery.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

University of California, San Diego

La Jolla, California, 92037, United States

Location status: Recruiting

Location contact

Rodney A Gabriel

CONTACT

[email protected]

858-663-7747

Rodney A Gabriel, MD, MAS

PRINCIPAL_INVESTIGATOR

About this study

The purpose of the study is to investigate the efficacy of suzetrigine for treatment of acute postoperative pain among surgical patients identified as high risk for persistent postoperative opioid use (POU). Using a validated artificial intelligence predictive model (termed SurgNet-POU) developed by the PI, electronic health record (EHR) data will be queried from all prospective surgical patients undergoing orthopedic surgery and inputted into the model to predict risk of POU (defined as requiring opioids ≥ 3 months after surgery). Those identified as high risk by the SurgNet-POU will be eligible candidates for this study. Suzetrigine (Vertex Pharmaceuticals) is an FDA-approved non-opioid oral analgesic that acts as a selective Nav1.8 sodium channel blocker. It has been shown to have efficacy in post-surgical pain and has compared favorably to placebo and similar to some opioids, without the risk of addiction or other adverse events related to opioids. Consented participants will be randomized to one of two arms: (1) standard care (termed standard care) defined as usual prescribing outpatient opioid analgesic protocols per surgical team; versus (2) standard care combined with 14-day regimen of suzetrigine. Those randomized to the suzetrigine arm will receive 100mg suzetrigine PO ~ 1-2 hours prior to surgery and take 50mg po twice a day for 14 days postoperatively. The primary outcome will be total opioid consumption over 14 days postoperatively. Secondary outcomes include average, highest and lowest pain scores at 7, 14, 30, and 90 days after surgery; and opioid consumption at 7, 30, and 90 days after surgery.

Our objective is to investigate the therapeutic benefits of suzetrigine for postoperative analgesia among patients identified as high risk for POU from our AI model, SurgNet-POU.

Primary Specific Aim. Demonstrate the potential efficacy of suzetrigine for postoperative analgesia in patients undergoing major surgery that are identified as high risk for POU. This will be performed as a pilot study and executed as a randomized clinical trial of up to 100 participants.

Hypothesis 1: Use of suzetrigine as part of a postoperative outpatient oral regimen will reduce 14-day postoperative opioid consumption in patients that are higher risk for POU.

Secondary Specific Aim: Among patients that are identified as high risk for POU after surgery, demonstrate the potential efficacy of suzetrigine in reducing pain and POU incidence after 3 months.

Hypothesis 1: Pain and opioid consumption will be reduced in the suzetrigine group compare to control at multiple post-procedure time points, including 1 week, 14 days, 1 month, and 3 months after.

There will be up to 100 participants recruited who are considered high risk for POU and undergoing major orthopedic surgery (hip arthroplasty, knee arthroplasty, shoulder arthroplasty, joint arthroscopy, foot/ankle surgery, upper extremity fracture surgery, spine surgery), breast surgery (mastectomy, breast reconstruction), gynecological surgery (hysterectomy, myomectomy), or abdominal surgery.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients who are identified as high-risk for POU as calculated by our SurgNet-POU predictive deep learning model. The probability threshold will be set at ~> 0.25. Potential participants will be screened prior to surgery by incorporating their electronic health record data in to the model.
  • Patients undergoing major orthopedic surgery (hip arthroplasty, knee arthroplasty, shoulder arthroplasty, joint arthroscopy, foot/ankle surgery, upper extremity fracture surgery, spine surgery), breast surgery (mastectomy, breast reconstruction), gynecological surgery (hysterectomy, myomectomy), or abdominal surgery.
  • Adult patients of at least 18 years of age
  • Has the capacity to consent

Exclusion criteria

  • Pregnancy
  • Incarceration
  • Patients with a previous history of opioid use disorder.
  • Patients on fentanyl transdermal patch, methadone, and/or buprenorphine.

Treatment and study plan

Suzetrigine

Drug

In addition to standard postoperative analgesia care (per surgeon), the participant in the intervention arm will receive a 14-day dosing regimen for suzetrigine.

Other names: Journavx

Standard Care (in control arm)

Drug

participants will receive the standard postoperative analgesia care provided by their surgeon.

Primary outcomes

  1. Total Opioid Consumption Over 14 Days Postoperatively

    Time frame: From enrollment to 14 days postoperatively

    Primary endpoint - total opioid consumption over the first 14 postoperative days (standardized to oral morphine equivalents in milligrams)

Secondary outcomes

  1. Opioid Consumption Over Last 7 Days

    Time frame: From enrollment to 3 months after surgery.

    Opioid consumption over last 7 days at 1 week, 1 month, and 3 months after surgery (standardized to oral oxycodone equivalents in milligrams).

  2. Incidence of Persistent Opioid Use (POU)

    Time frame: From enrollment to 3 months after surgery.

    Incidence of POU, defined as any opioid consumption required at ≥ 3 months after surgery.

  3. Average, Worst, and Best Pain Over Last 7 Days

    Time frame: From enrollment to 3 months after surgery.

    Average, worst, and best pain, measured as the 11-point Numeric Rating Scale for pain (0-10) over the last 7 days at 1 week, 14 days, 1 month, and 3 months after surgery. The lower the score on the scale corresponds to less pain and the higher the score corresponds the more pain (worse outcome).

  4. opioid-related side effects

    Time frame: 1 week, 14 days, 1 month, and 3 months after surgery

    incidence of any opioid-related side effects over last 7 days at 1 week, 14 days, 1 month, and 3 months after surgery. These opioid-related side effects will include nausea, vomiting, sedation, and constipation.

Study contacts

Contact information is provided by the study sponsor or research team.

Rodney A Gabriel

CONTACT

[email protected]

858-663-7747

Sponsors and collaborators

Lead sponsor

University of California, San Diego

Other

Collaborators

  • Wellcome Leap Inc.

Registry information

Important dates

Study start
2026
Primary completion
2027
Study completion
2027
First posted
Jun 26, 2026
Registry last updated
Jul 6, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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