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Completed Phase 2 Interventional Results available

Efficacy and Safety of NYX-2925 in Subjects With Fibromyalgia

ClinicalTrials.gov ID: NCT04147858

Public ClinicalTrials.gov record NCT04147858. 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.

ClinicalTrials.gov public records Last synced Sep 4, 2026, 10:52 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of NYX-2925 in Subjects With Fibromyalgia

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To evaluate the efficacy of NYX-2925 versus placebo for the treatment of fibromyalgia.

Study identification

NCT ID
NCT04147858
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Aptinyx
Industry
Enrollment
310 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 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
Nov 11, 2019
Primary completion
Jun 15, 2022
Completion
Jun 15, 2022
Last update posted
Apr 27, 2023

2019 – 2022

United States locations

U.S. sites
42
U.S. states
20
U.S. cities
40
Facility City State ZIP Site status
Aptinyx Clinical Site Phoenix Arizona 85012
Aptinyx Clinical Site Culver City California 90230
Aptinyx Clinical Site Fresno California 93710
Aptinyx Clinical Site Orange California 92868
Aptinyx Clinical Site Redlands California 92374
Aptinyx Clinical Site Temecula California 92591
Aptinyx Clinical Site Torrance California 90502
Aptinyx Clinical Site Fernandina Beach Florida 32034
Aptinyx Clinical Site Jacksonville Florida 32224
Aptinyx Clinical Site Jacksonville Florida 32256
Aptinyx Clinical Site Lady Lake Florida 32159
Aptinyx Clinical Site Miami Florida 33165
Aptinyx Clinical Site Orlando Florida 32801
Aptinyx Clinical Site Palmetto Bay Florida 33157
Aptinyx Clinical Site Winter Park Florida 32789
Aptinyx Clinical Site Alpharetta Georgia 30022
Aptinyx Clinical Site Chicago Illinois 60607
Aptinyx Clinical Site Flossmoor Illinois 60422
Aptinyx Clinical Site Gurnee Illinois 60031
Aptinyx Clinical Site Skokie Illinois 60076
Aptinyx Clinical Site Evansville Indiana 47714
Aptinyx Clinical Site West Des Moines Iowa 50265
Aptinyx Clinical Site Newton Kansas 67114
Aptinyx Clinical Site Prairie Village Kansas 66208
Aptinyx Clinical Site Wichita Kansas 67205
Aptinyx Clinical Site Roslindale Massachusetts 02131
Aptinyx Clinical Site Hazelwood Missouri 63042
Aptinyx Clinical Site Omaha Nebraska 68114
Aptinyx Clinical Site Las Vegas Nevada 89102
Aptinyx Clinical Site Brooklyn New York 11235
Aptinyx Clinical Site New York New York 10017
Aptinyx Clinical Site New York New York 10036
Aptinyx Clinical Site Staten Island New York 10312
Aptinyx Clinical Site Williamsville New York 14221
Aptinyx Clinical Site Cincinnati Ohio 45219
Aptinyx Clinical Site Oklahoma City Oklahoma 73106
Aptinyx Clinical Site Duncansville Pennsylvania 16635
Aptinyx Clinical Site Memphis Tennessee 38119
Aptinyx Clinical Site Austin Texas 78737
Aptinyx Clinical Site Houston Texas 77077
Aptinyx Clinical Site Danville Virginia 24541
Aptinyx Clinical Site Bellevue Washington 98007

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04147858, 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 Apr 27, 2023 · Synced Sep 4, 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 NCT04147858 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →