RecruitingPhase 3NCT07231419

Evaluation of Efficacy and Safety of Suzetrigine (SUZ) for Pain Associated With Diabetic Peripheral Neuropathy

A Phase 3, Randomized, Double-blind, Placebo-Controlled Study of the Efficacy and Safety of Suzetrigine in Subjects With Pain Associated With Diabetic Peripheral Neuropathy


Sponsor

Vertex Pharmaceuticals Incorporated

Enrollment

734 participants

Start Date

Nov 21, 2025

Study Type

INTERVENTIONAL

Summary

The purpose of this study is to evaluate the efficacy, safety, and tolerability of Suzetrigine in participants with pain associated with diabetic peripheral neuropathy (DPN).


Eligibility

Min Age: 18 YearsMax Age: 80 Years

Inclusion Criteria4

  • Body weight greater than or equal to (≥)45 kilogram (kg)
  • Body mass index (BMI) ≥18 to less than (<) 40 kilogram per meter square (kg/m\^2)
  • Diagnosis of diabetes mellitus type 1 or type 2 and with glycosylated hemoglobin A1c (HbA1c) ≤9% and the presence of bilateral pain in lower extremities due to DPN for at least 1 year
  • Weekly average of daily NPRS score ≥4 and less than or equal to (≤) 9 with limited variation in the 7-day Baseline Period

Exclusion Criteria3

  • More than 3 missing daily NPRS scores during the 7-day Baseline Period
  • Received Journavx within 30 days of study drug dosing
  • Any sensory abnormality (excluding DPN) as pre-specified in the protocol

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Interventions

DRUGSuzetrigine

Tablets for oral administration

DRUGPlacebo (matched to SUZ)

Placebo matched to SUZ for oral administration.


Locations(29)

Accel Research - Birmingham

Birmingham, Alabama, United States

Scottsdale Clinical Trials

Scottsdale, Arizona, United States

Marvel Clinical Research

Huntington Beach, California, United States

Eximia Research-CA, LLC

La Mesa, California, United States

Long Beach Research Institute

Long Beach, California, United States

Pasadena Clinical Trials

Pasadena, California, United States

Velocity Clinical Research -San Bernardino

San Bernardino, California, United States

Paradigm Clinical Research - Wheat Ridge

Wheat Ridge, Colorado, United States

Velocity Clinical Research - Washington DC

Washington D.C., District of Columbia, United States

Accel Research - Deland

DeLand, Florida, United States

Velocity Clinical Research - Hallandale Beach

Hallandale, Florida, United States

CNS Healthcare - Jacksonville

Jacksonville, Florida, United States

Health Awareness, Inc. - Jupiter

Jupiter, Florida, United States

3Sync Research -Miami Lakes

Miami Lakes, Florida, United States

Health Awareness, Inc. - Port St. Lucie

Port Saint Lucie, Florida, United States

Atlanta Center for Medical Research

Atlanta, Georgia, United States

Accel Research - Decatur

Decatur, Georgia, United States

Healthcare Research Network - Flossmoor IL

Tinley Park, Illinois, United States

Quest Research Institute

Farmington Hills, Michigan, United States

Healthcare Research Network - Hazelwood MO

Hazelwood, Missouri, United States

AMR Kansas City

Kansas City, Missouri, United States

Brooklyn Clinical Research

Brooklyn, New York, United States

Velocity Clinical Research - Syracuse

East Syracuse, New York, United States

West Clinical Research

Morehead City, North Carolina, United States

Velocity Clinical Research - Cleveland

Beachwood, Ohio, United States

Velocity Clinical Research - Medford

Medford, Oregon, United States

Velocity Clinical Research - Providence

East Greenwich, Rhode Island, United States

Velocity Clinical Research - Spartanburg

Spartanburg, South Carolina, United States

Zenos Clinical Research

Dallas, Texas, United States

View Full Details on ClinicalTrials.gov

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NCT07231419