NCT05418712

Brief Summary

The purpose of this study is to determine if C fiber conduction is impacted by NAV1.8 modulation.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
45

participants targeted

Target at P50-P75 for phase_1 pain

Timeline
Completed

Started Jun 2022

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 9, 2022

Completed
5 days until next milestone

First Posted

Study publicly available on registry

June 14, 2022

Completed
2 days until next milestone

Study Start

First participant enrolled

June 16, 2022

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 14, 2022

Completed
9 days until next milestone

Study Completion

Last participant's last visit for all outcomes

September 23, 2022

Completed
Last Updated

October 14, 2022

Status Verified

October 1, 2022

Enrollment Period

3 months

First QC Date

June 9, 2022

Last Update Submit

October 13, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change From Baseline in Action Potential (AP) Latency at 0.25 Hertz (Hz) Over Time

    From Baseline up to 3 Hours After Dose

Secondary Outcomes (7)

  • Change From Baseline in Percentage Slowing Over Time

    From Baseline up to 3 Hours After Dose

  • Change From Baseline in the Time to Reverse 50 Percent (%) of the Activity-induced Latency Change After the End of Each ADS Stimulus Train Over Time

    From Baseline up to 3 Hours After Dose

  • Change From Baseline in the Percentage Recovery of the Activity-induced Latency Change at 30 Seconds After the End of Each ADS Stimulus Train Over Time

    From Baseline up to 3 Hours After Dose

  • Change From Baseline in Conduction Velocity at 0.25 Hz Over Time

    From Baseline up to 3 Hours After Dose

  • Change From Baseline in AP Amplitude at 0.25 Hz Over Time

    From Baseline up to 3 Hours After Dose

  • +2 more secondary outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Participants will receive placebo matched to VX-150.

Drug: Placebo

VX-150

EXPERIMENTAL

Participants will be randomized to receive a single dose of one of different dose levels VX-150.

Drug: VX-150

Interventions

Placebo matched to VX-150 for oral administration.

Placebo
VX-150DRUG

Solution or Suspension for oral administration.

VX-150

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Body mass index (BMI) of 18.0 to 30.0 kilogram per meter square (kg/m\^2)
  • A total body weight \>50 kg

You may not qualify if:

  • Participants who have any 1 of the following criteria in the foot/ankle in which MNG will be performed:
  • Injection of local anesthetics or steroids within 35 days prior to randomization
  • Unsuitable anatomy of the superficial peroneal nerve (i.e., nerve cannot be seen or palpated at the dorsum of the foot/ankle)
  • Infection, disease (dermatologic or vascular), ongoing pain, or recent trauma or surgery that may affect study assessments
  • History of febrile illness within 14 days before study drug dosing
  • Any condition possibly affecting drug absorption
  • Participants with Type 1 or Type 2 diabetes mellitus
  • Any dermatological (generalized) or autoimmune disease that may affect C-nociceptor excitability

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

MAC Clinical Research

Manchester, United Kingdom

Location

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 9, 2022

First Posted

June 14, 2022

Study Start

June 16, 2022

Primary Completion

September 14, 2022

Study Completion

September 23, 2022

Last Updated

October 14, 2022

Record last verified: 2022-10

Data Sharing

IPD Sharing
Will not share

Details on Vertex data sharing criteria and process for requesting access can be found at: https://www.vrtx.com/independent-research/clinical-trial-data-sharing

Locations