A Study to Evaluate the Efficacy and Safety of VX-150 in Treating Subjects With Pain Caused by Small Fiber Neuropathy
Public ClinicalTrials.gov record NCT03304522. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2, Randomized, Double-blind, Placebo-controlled, 6-Week, Parallel-design Study of the Efficacy and Safety of VX-150 in Treating Subjects With Pain Caused by Small Fiber Neuropathy
Study identification
- NCT ID
- NCT03304522
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Vertex Pharmaceuticals Incorporated
- Industry
- Enrollment
- 89 participants
Conditions and interventions
Conditions
Interventions
- VX-150 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 19, 2017
- Primary completion
- Oct 11, 2018
- Completion
- Nov 7, 2018
- Last update posted
- Nov 14, 2021
2017 – 2018
United States locations
- U.S. sites
- 31
- U.S. states
- 19
- U.S. cities
- 29
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Xenoscience Inc. - 21st Century Neurology | Phoenix | Arizona | 85004 | — |
| Phoenix Neurological Associates, Ltd. | Phoenix | Arizona | 85251 | — |
| Sutter Health - Alta Bates Summit Medical Center - The Jordan Research & Education Institute | Berkeley | California | 94705 | — |
| Neuropain Medical Center | Fresno | California | 93710 | — |
| University of California San Diego | La Jolla | California | 92093 | — |
| SDS Clinical Trials, Inc. | Orange | California | 92868 | — |
| Stanford University School of Medicine | Redwood City | California | 94063 | — |
| Blue Sky Neurology | Englewood | Colorado | 80113 | — |
| Bioclinica Research - Orlando | Orlando | Florida | 32806 | — |
| Infinity Clinical Research | Sunrise | Florida | 33351 | — |
| Southern Illinois University (SIU) School of Medicine | Springfield | Illinois | 62702 | — |
| University of Iowa Hospitals and Clinics | Iowa City | Iowa | 52242 | — |
| University of Kansas Medical Center (KUMC) | Kansas City | Kansas | 66160 | — |
| International Clinical Research Institute (ICRI) | Overland Park | Kansas | 66210 | — |
| River Cities Clinical Research Center | Shreveport | Louisiana | 71105 | — |
| The Johns Hopkins Hospital | Baltimore | Maryland | 21287 | — |
| Washington University School of Medicine in St. Louis | St Louis | Missouri | 63110 | — |
| Dartmouth-Hitchcock Medical Center (DHMC) | Lebanon | New Hampshire | 03756 | — |
| Robert Wood Johnson Medical School | New Brunswick | New Jersey | 08901 | — |
| University of New Mexico Hospital | Albuquerque | New Mexico | 87131 | — |
| Albany Medical Center- Neurology Group | Albany | New York | 12208 | — |
| The Mount Sinai Hospital | New York | New York | 10029 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| University of Rochester | Rochester | New York | 14618 | — |
| University of North Carolina School of Medicine | Chapel Hill | North Carolina | 27514 | — |
| Duke Neurological Disorders Clinic | Durham | North Carolina | 27710 | — |
| Carolinas Pain Institute | Winston-Salem | North Carolina | 27103 | — |
| Neurology Diagnostics, Inc | Dayton | Ohio | 45459 | — |
| The Richter Clinic for Neurology and Neuro-Psychiatry | Tulsa | Oklahoma | 74104 | — |
| Carilion Clinic Neurology | Roanoke | Virginia | 24013 | — |
| University of Washington | Seattle | Washington | 98105 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03304522, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 14, 2021 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03304522 live on ClinicalTrials.gov.