Suzetrigine for Pain
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial aims to understand opioid use for pain relief after knee replacement surgery (total knee arthroplasty). The study will test a new treatment called Suzetrigine, a potential pain relief medication, by comparing it to a placebo (a pill with no active medicine) to determine if it reduces the need for opioids. Candidates may qualify if they are scheduled for knee replacement surgery and have not had this surgery on the same knee before. As a Phase 4 trial, Suzetrigine is already FDA-approved and proven effective, and this research seeks to understand how it benefits more patients.
Will I have to stop taking my current medications?
The trial information does not specify whether you need to stop taking your current medications.
What is the safety track record for Suzetrigine?
Research has shown that Suzetrigine is generally safe and well-tolerated. Studies have found it causes fewer common side effects, such as nausea and dizziness, compared to opioids. Suzetrigine tends to cause fewer negative effects than both a placebo and some common painkillers, like acetaminophen with hydrocodone. The FDA has approved this treatment for managing moderate to severe acute pain, indicating it has passed important safety checks. While no treatment is without risks, previous research has demonstrated Suzetrigine's strong safety record.12345
Why are researchers enthusiastic about this study treatment?
Suzetrigine is unique because it offers a novel approach to pain management by potentially targeting pain pathways differently than traditional treatments like NSAIDs or opioids. Researchers are excited about Suzetrigine because it may work faster, potentially showing effectiveness within just 14 days, which is quicker than many existing options. Its distinct mechanism of action could provide an alternative for patients who don't respond well to current medications, offering hope for more effective pain relief with possibly fewer side effects.
What evidence suggests that Suzetrigine might be an effective treatment for pain after total knee arthroplasty?
Research has shown that suzetrigine effectively manages pain. Studies have found it provides significant relief for short-term pain. In this trial, participants will receive either suzetrigine or a placebo for 14 days. Previous trials demonstrated that suzetrigine matched opioids in pain relief but caused fewer side effects, such as nausea and vomiting. It proved especially successful in easing post-surgical pain, showing high effectiveness and good tolerance. Most patients rated their pain relief as "good" to "excellent," making it a promising non-opioid option for pain management.13678
Are You a Good Fit for This Trial?
This trial is for adults with a BMI between 18 and 40 who are scheduled to have their first knee replacement surgery on one knee. People with certain health conditions or other reasons that could affect the study may not be able to join.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive either SUZ or placebo for 14 days after total knee arthroplasty
Follow-up
Participants are monitored for opioid use and recovery after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Suzetrigine
Trial Overview
The study compares Suzetrigine, a new pain medication, to a placebo (inactive treatment) in people after knee replacement surgery. The goal is to see how these treatments affect opioid use for pain control.
How Is the Trial Designed?
2
Treatment groups
Experimental Treatment
Placebo Group
Participants will receive SUZ for 14 days.
Participants will receive placebo matched to SUZ for 14 days
Find a Clinic Near You
Who Is Running the Clinical Trial?
Vertex Pharmaceuticals Incorporated
Lead Sponsor
Dr. David Altshuler
Vertex Pharmaceuticals Incorporated
Chief Medical Officer since 2020
MD, PhD
Dr. Reshma Kewalramani
Vertex Pharmaceuticals Incorporated
Chief Executive Officer since 2020
MD, trained in internal medicine and nephrology
Citations
The effectiveness and value of suzetrigine for moderate ...
We evaluated the efficacy and safety of suzetrigine in adults with moderate to severe acute pain against 4 treatment modalities.
Suzetrigine, a selective NaV1.8 inhibitor in acute and ...
Recent findings: Phase 3 trials have demonstrated that suzetrigine provides a statistically significant and clinically meaningful reduction in acute ...
3.
icer.org
icer.org/wp-content/uploads/2025/03/ICER_Acute-Pain_Final-Report_For-Publication_033125.pdfSuzetrigine for Acute Pain:Effectiveness and Value
We heard that education for providers around the efficacy of multimodal pain management would improve clinical decision making and outcomes.
Clinical Efficacy and Safety Profile of Suzetrigine: A Novel Non ...
Suzetrigine demonstrated comparable effectiveness in treating moderate to severe acute pain, with no statistically significant differences, ...
Efficacy and Clinical Trials | JOURNAVX® (suzetrigine)
The primary endpoint in both trials was JOURNAVX superiority vs placebo on the time-weighted sum of the pain intensity difference (SPID) as recorded on the ...
Suzetrigine: A Novel, Peripherally Acting Analgesic
Suzetrigine was generally safe and well tolerated with a lower incidence of adverse events than placebo and the acetaminophen/hydrocodone ...
Suzetrigine for Acute Pain Control in Patients With Multiple ...
Suzetrigine has also been shown to have comparable analgesia to oral opioids with fewer side effects, such as nausea, vomiting, and need for rescue pain ...
Suzetrigine as a Novel Non-opioid Analgesic Drug in Pain ...
Suzetrigine may offer an effective and safe alternative to opioids in pain treatment. ... safety data are available. Drug-drug interactions.
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