> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/evaluation-of-efficacy-and-safety-of-suzetrigine-for-pain-35669585-f908-4209-baa9-ccb0b2730dbd
> Record changed: 2026-10-13

# Evaluation of Efficacy and Safety of Suzetrigine for Pain Associated With Diabetic Peripheral Neuropathy

NCT06628908

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Phase

Phase 3

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Recruitment status

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Participants

1,100

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Lead sponsor

Vertex Pharmaceuticals Incorporated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Start date

2024-10-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

Number of sites

76

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Title and summary

**Summary**

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

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Short title**

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

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Official title**

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

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Status and phase

**Control arm**

Placebo

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Recruitment status**

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Phase**

Phase 3

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Dates

**Completion date**

2027-05-31

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**First posted**

2024-10-08

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Registry last updated**

2026-06-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Primary completion date**

2027-05-31

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Start date**

2024-10-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Size and sites

**Participants**

1,100

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Planned participants**

1,100

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Protocol amendments**

2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Number of sites**

76

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Sponsor and oversight

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Lead sponsor**

Vertex Pharmaceuticals Incorporated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Identifiers

**Registry ID**

NCT06628908

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**ClinicalTrials.gov ID**

NCT06628908

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Treatment

**Masking**

Quadruple masking

**Masked roles**

Participants, Care providers, Investigators, Outcome assessors

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Outcomes

### Primary outcomes

1. Change From Baseline in the Weekly Average of Daily Pain Intensity on the Numeric Pain Rating Scale (NPRS) at Week 12 Compared to Placebo  
Timeframe: From Baseline up to Week 12

### Secondary outcomes

1. Change From Baseline in the Medical Outcomes Study 36-item Short-form Health Status (SF 36v2) Physical Component Summary (PCS) Score at Week 12 Compared to Placebo (pooled with data from Study VX24-548-111)  
Timeframe: From Baseline up to Week 12
2. Change From Baseline in the Weekly Average of Daily Pain Intensity on the NPRS at Week 12 Compared to Pregabalin  
Timeframe: From Baseline up to Week 12

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Maximum age**

80 Years

**Healthy volunteers**

No

Key Inclusion Criteria:

- Body weight greater than or equal to (≥) 45 kilogram (kg)
- Body mass index (BMI) ≥18.0 to less than (<) 40.0 kilogram per meter square (kg/m^2)
- Diagnosis of diabetes mellitus type 1 or type 2 by glycosylated hemoglobin A1c (HbA1c) ≤9% and the presence of bilateral pain in lower extremities due to DPN
- Weekly average of daily NPRS score ≥4 and less than or equal to (≤) 9 with limited variation in the 7-day Baseline Period

Key Exclusion Criteria:

- More than 3 missing daily NPRS scores during the 7-day Baseline Period
- Any sensory abnormality (excluding DPN) as pre-specified in the protocol

Other protocol defined Inclusion/Exclusion criteria may apply.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Sites

- Pinnacle Research Group, LLCAnniston, United StatesRecruiting
- Synexus Clinical Research - BirminghamBirmingham, United StatesCompleted
- AMR Daphne, ALDaphne, United StatesCompleted
- Synexus Clinical Research - Phoenix CentralPhoenix, United StatesCompleted
- Scottsdale Clinical TrialsScottsdale, United StatesRecruiting
- Neuro-Pain Medical CenterFresno, United StatesRecruiting
- Long Beach Research InstituteLong Beach, United StatesRecruiting
- Angel City Research, IncLos Angeles, United StatesRecruiting
- Empire Clinical ResearchPomona, United StatesRecruiting
- Clinical Trials ResearchSacramento, United StatesRecruiting
- Velocity Clinical Research, San BernardinoSan Bernardino, United StatesRecruiting
- SCLA Management - Pain Management and Injury ReliefThousand Oaks, United StatesRecruiting
- Diablo Clinical Research (DCR)Walnut Creek, United StatesCompleted
- Velocity Clinical Research - DenverEnglewood, United StatesRecruiting
- Velocity Clinical Research - Washington DCWashington D.C., United StatesRecruiting
- Accel Research - DelandDeLand, United StatesRecruiting
- AMR-MiamiDoral, United StatesRecruiting
- AMR Fort Myers (The Clinical Study Center)Fort Myers, United StatesRecruiting
- Velocity Clinical Research - Hallandale BeachHallandale, United StatesRecruiting
- CNS Healthcare - JacksonvilleJacksonville, United StatesRecruiting
- Accel Research - St. Petersburg-LargoLargo, United StatesRecruiting
- Accel Research - MaitlandMaitland, United StatesCompleted
- Suncoast Research Associates - MiamiMiami, United StatesRecruiting
- 3Sync Research - Miami LakesMiami Lakes, United StatesRecruiting
- Suncoast Clinical Research - New Port RicheyNew Port Richey, United StatesRecruiting

And 51 more, listed on the interactive page.

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## References

- PubMed 42249666  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/42249666/)
Related publication

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06628908)

## Related records

### Drugs (2)

- [Pregabalin](https://trialight.com/data/asset/pregabalin-c76529d4-1815-46a3-954e-cf21d394857b.md)
- [Suzetrigine](https://trialight.com/data/asset/suzetrigine-38fea8c9-094b-4a0f-a3ac-8b8135055326.md)

### Lead sponsors (1)

- [Vertex Pharmaceuticals Incorporated](https://trialight.com/data/company/vertex-pharmaceuticals-incorporated-871a0178-8d63-4b70-a78f-fbfa131729c0.md)

### Targets (26)

- [CACNA1A](https://trialight.com/data/target/cacna1a-f3f512f5-11c9-5ce1-9657-c0382bc52e15.md)
- [CACNA1B](https://trialight.com/data/target/cacna1b-24763181-bb0a-5937-9a02-22235ff3bb78.md)
- [CACNA1C](https://trialight.com/data/target/cacna1c-744d59ab-a8de-5b82-a952-b270470e3b23.md)
- [CACNA1D](https://trialight.com/data/target/cacna1d-b08698ee-d3e0-5823-b979-0629beace3ff.md)
- [CACNA1E](https://trialight.com/data/target/cacna1e-c508fca1-41b4-5369-b279-6761696196ec.md)
- [CACNA1F](https://trialight.com/data/target/cacna1f-460ea1ea-3439-556a-8977-c71a6caae1bc.md)
- [CACNA1G](https://trialight.com/data/target/cacna1g-72e1e321-69cf-537b-8c11-788ba63b4dd9.md)
- [CACNA1H](https://trialight.com/data/target/cacna1h-595ec1a8-0caa-50c4-aeb4-988ee9ca4795.md)
- [CACNA1I](https://trialight.com/data/target/cacna1i-ce34754d-0161-5c89-91d2-f30f31cce88d.md)
- [CACNA1S](https://trialight.com/data/target/cacna1s-323f267a-8656-5845-a35c-8ccdc4d6896d.md)
- [CACNA2D1](https://trialight.com/data/target/cacna2d1-8eefc789-f466-5eb7-a36d-39cab2dfa291.md)
- [CACNA2D2](https://trialight.com/data/target/cacna2d2-e376fbe9-7b23-50f6-8c0a-4b12f685aba7.md)
- [CACNA2D3](https://trialight.com/data/target/cacna2d3-8559580c-10bc-5be0-9aa8-e0dd4a4ee704.md)
- [CACNA2D4](https://trialight.com/data/target/cacna2d4-8a088ee2-4342-5d94-95c0-484844272bf1.md)
- [CACNB1](https://trialight.com/data/target/cacnb1-73393fc2-c12d-5f4e-90de-ce8e0898c9dd.md)
- [CACNB2](https://trialight.com/data/target/cacnb2-0b297a77-ce96-5d3b-a11b-cbf3d5a7090d.md)
- [CACNB3](https://trialight.com/data/target/cacnb3-2c6499a0-ccf7-50e9-9d89-2376ae8f73e6.md)
- [CACNB4](https://trialight.com/data/target/cacnb4-39e0edca-ff11-5ce2-afed-c8ee92399ad0.md)
- [CACNG1](https://trialight.com/data/target/cacng1-1c93a084-9dab-58d5-8a45-88f97a7a2151.md)
- [CACNG2](https://trialight.com/data/target/cacng2-f4814c27-29be-5fd3-b70c-e2d6696dc253.md)

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