Suzetrigine for Opioid-Free Recovery After C-Section

(SPARE Trial)

CC
Overseen ByChase Calvert, MD
Age: 18+
Sex: Female
Trial Phase: Phase 4
Sponsor: University of Texas at Austin
Stay on Your Current MedsYou can continue your current medications while participating
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial explores whether suzetrigine, a new potential drug, can help women remain opioid-free for 72 hours after a C-section. Participants will receive either suzetrigine or a placebo, alongside standard pain treatments like acetaminophen and anti-inflammatory drugs. The study aims to determine if suzetrigine can reduce the need for opioids post-surgery. Women undergoing a C-section with planned spinal or epidural anesthesia, who agree not to provide breast milk during the study period, might be suitable candidates. This trial offers an opportunity to explore a new method of managing pain after delivery without relying on opioids. As a Phase 4 trial, suzetrigine has already received FDA approval and proven effective, and this research seeks to understand its benefits for more patients.

Do I need to stop my current medications to join the trial?

The trial does not specify if you need to stop taking your current medications, but you cannot participate if you are using medications that significantly alter suzetrigine metabolism, like ketoconazole or St. John's wort.

What is the safety track record for suzetrigine?

Research has shown that suzetrigine is generally safe and well-tolerated. One study combined safety data from over 2,000 people, revealing that the most common side effects were mild, such as itching (experienced by 2.1% of participants) and muscle pain. No serious side effects were reported.

Suzetrigine is a non-opioid pain medicine that blocks certain pain signals. The FDA has already approved it for other types of short-term pain, indicating it has passed strict safety checks for those uses.

Overall, evidence suggests that suzetrigine offers a safe option for managing pain without using opioids.12345

Why are researchers enthusiastic about this study treatment?

Researchers are excited about suzetrigine because it offers a potential path to opioid-free recovery after a C-section. Unlike standard treatments that often rely on opioids for managing postoperative pain, suzetrigine is an oral medication designed to be part of a multimodal pain management approach, reducing the need for opioids and their associated risks. This new option, combined with acetaminophen and nonsteroidal anti-inflammatory drugs, aims to effectively manage pain while minimizing opioid exposure, which is a significant advancement in post-surgical care.

What evidence suggests that suzetrigine might be an effective treatment for opioid-free recovery after C-section?

Research has shown that suzetrigine effectively manages pain after surgery. In earlier studies, 90.9% of patients undergoing reconstructive and cosmetic surgery recovered without needing opioids. This trial will evaluate suzetrigine as a potential option for women to avoid opioids for pain relief after a C-section. Participants will receive either suzetrigine or a placebo, alongside standardized multimodal postoperative analgesia. As a non-opioid pain reliever, suzetrigine can ease pain without the side effects often linked to opioids. It has a good safety record, with fewer side effects like nausea and dizziness compared to typical pain medications. Overall, suzetrigine appears to be a promising option for managing pain.678910

Who Is on the Research Team?

LM

Lorie M. Harper, MD, MSCI

Principal Investigator

Dell Medical School, University of Texas at Austin, Department of Women's Health

Are You a Good Fit for This Trial?

This trial is for women aged 18 or older having a planned or unplanned C-section with a Pfannenstiel (bikini) incision under spinal, epidural, or combined anesthesia. Participants must not have severe liver/kidney disease, chronic opioid use, certain medication interactions, allergies to suzetrigine, or be planning to breastfeed during the study.

Inclusion Criteria

I am planning to give birth with spinal or epidural anesthesia.
Undergoing scheduled or unscheduled cesarean delivery during the current admission, with or without concomitant salpingectomy
I am able and willing to do remote follow-up check-ins for 14 days after surgery.
See 3 more

Exclusion Criteria

I am not taking medicines that affect how suzetrigine works in my body.
I am scheduled for a C-section with only general anesthesia, not spinal or epidural.
My surgery will use a vertical or other non-Pfannenstiel skin incision.
See 9 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants receive either suzetrigine or placebo following cesarean delivery, with scheduled maintenance dosing every 12 hours

72 hours
Inpatient hospitalization

Follow-up

Participants are monitored for safety, pain intensity, and recovery through structured follow-up assessments

14 days
Postoperative day 7 and day 14 assessments

Post-Discharge Monitoring

Participants report opioid use and recovery outcomes after hospital discharge

From discharge through postoperative day 14

What Are the Treatments Tested in This Trial?

Interventions

  • Suzetrigine

Trial Overview

The study tests whether adding suzetrigine to standard pain management after C-section helps more women avoid using opioids in the first 72 hours post-surgery. Participants are randomly given either suzetrigine or a placebo along with usual pain medications.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Group I: SuzetrigineExperimental Treatment1 Intervention
Group II: PlaceboExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of Texas at Austin

Lead Sponsor

Trials
387
Recruited
86,100+

Citations

The effectiveness and value of suzetrigine for moderate ... - PMC

We evaluated the efficacy and safety of suzetrigine in adults with moderate to severe acute pain against 4 treatment modalities: no systemic therapy, as ...

Pain Suzetrigine Data Reveal Reduced Postoperative ...

Suzetrigine reduces postoperative pain and enables opioid-free recovery in 90.9% of reconstructive and aesthetic ...

Suzetrigine for Acute Pain:Effectiveness and Value

We aimed to assess the clinical effectiveness and safety of suzetrigine as an add-on to non-systemic treatments for patients with moderate to ...

Suzetrigine Highly Effective for Pain in Aesthetic & ...

Phase 4 results demonstrate significant pain relief efficacy while enabling opioid-free recovery for 90.9% of participants.

Clinical Efficacy and Safety Profile of Suzetrigine: A Novel Non ...

The drug displayed a favorable safety profile with a lower incidence of common opioid-related adverse effects, such as nausea and dizziness, and ...

Suzetrigine for Opioid-Free Recovery After Cesarean Delivery

... safety data for suzetrigine.*. Known allergy, hypersensitivity, or contraindication to suzetrigine or any component of its formulation.

219209Orig1s000 - accessdata.fda.gov

the Safety and Effectiveness of Suzetrigine for Acute Pain (Study 107) provided uncontrolled safety data over a treatment period of up to 14 days. Study 107 ...

Suzetrigine – A Novel FDA‐Approved Analgesic - PMC - NIH

Suzetrigine is the first class of non‐opioid analgesics that selectively targets and blocks a key mediator in pain signal transmission, ...

Vertex to Present New Data on JOURNAVX® That ...

JOURNAVX was generally safe and well tolerated with no serious adverse events related to JOURNAVX. Adverse events were mild or moderate in ...

Suzetrigine for Acute Pain:Effectiveness and Value

Minor side effects of opioids are common, and the risk of OUD after short-term use is uncertain. While awaiting additional data on the safety.