Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT03249103 · ClinicalTrials.gov registry record · Phase 2

Evaluate the Efficacy and Safety of NYX-2925 in Subjects With Fibromyalgia

A Phase 2 study, sponsored by Aptinyx.

Completed
Registry status
Phase 2
Development phase
22
Enrollment target

NCT03249103: Completed Phase 2 study, sponsored by Aptinyx.

NCT03249103 is a Phase 2 study that has completed, run by Aptinyx. The registered enrollment target is 22 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03249103, a Phase 2 study, has completed, sponsored by Aptinyx.

COMPLETED
Registry status
Phase 2
Development phase
22 participants
Enrollment target

Study Summary

The primary objective is to determine whether daily dosing with NYX-2925 changes markers of central pain processing in subjects with fibromyalgia by evaluating changes in evoked pain, and visual stimulation, functional magnetic resonance imaging (fMRI), resting state function connectivity magnetic resonance imaging (rs-fcMRI) and proton magnetic resonance spectroscopy (H-MRS) in fibromyalgia subjects on active drug versus placebo.

Interventions

  • DRUG Placebo oral capsule
  • DRUG NYX-2925

Trial Details

FieldValue
Enrollment Target 22 participants
Start Date 2017-08-14
Est. Completion 2019-04-18
Phase Phase 2
Aptinyx

8 total trials

What the finished NCT03249103 record still lists

NCT03249103 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 22 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo oral capsule is the first listed.

NCT03249103 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03249103 about?

NCT03249103 is a clinical study titled "Evaluate the Efficacy and Safety of NYX-2925 in Subjects With Fibromyalgia". The primary objective is to determine whether daily dosing with NYX-2925 changes markers of central pain processing in subjects with fibromyalgia by evaluating changes in evoked pain, and visual stimulation, functional magnetic resonance imaging (fMRI), resting state function connectivity magnetic r...

What is the current status of trial NCT03249103?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 22 participants. The study started on 2017-08-14. Estimated completion is 2019-04-18.

What interventions are being tested in trial NCT03249103?

The interventions under investigation include: Placebo oral capsule (DRUG), NYX-2925 (DRUG).

Who is sponsoring clinical trial NCT03249103?

This trial is sponsored by Aptinyx, which has 8 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03249103's enrollment target sits among peer trials

22 1790th of 2000 higher than 207 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02508038 · 22 participants · Phase 1

    Alpha/Beta CD19+ Depleted Haploidentical Transplantation + Zometa for Pediatric Hematologic Malignancies and Solid Tumors

  • NCT03099356 · 22 participants · Phase 2

    Cyclophosphamide and Sirolimus for the Treatment of Metastatic, RAI-refractory, Differentiated Thyroid Cancer

  • NCT03676647 · 22 participants

    Diagnostic DNA Methylation Signature in Diagnosing Thyroid Cancer After Fine-Needle Aspiration in Patients With Thyroid Nodules

  • NCT04569591 · 22 participants · NA

    DDAVP for Pituitary Adenoma

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT03249103, the US trial registry maintained by the National Library of Medicine. NCT03249103 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.