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Brain fog in fibromyalgia: new study probes the link

NCT ID NCT06948903

Knowledge-focused Sponsor: Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study looks at how central sensitization—a heightened pain response common in fibromyalgia—might be linked to cognitive problems like memory and concentration issues. Researchers will assess 100 adults with fibromyalgia using questionnaires and cognitive tests. The goal is to better understand the relationship between pain sensitivity and brain fog, which could guide future care.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors better understand and address cognitive problems like brain fog in fibromyalgia patients.
What could go wrong
This is an observational study with only 100 participants, so findings may not apply to everyone. It does not test a treatment, so no direct benefit is guaranteed.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2023

Expected to finish

Oct 2025

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with Fibromyalgia

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Being diagnosed with fibromyalgia according to American College of Rheumatology 2016 criteria * Being between 18-65 years old * Being literate * Accepting to participate in the study Exclusion Criteria: * Concomitant systemic inflammatory disease, central nervous system disease (cortical involvement), active infection and malignancy history * History of illness that may lead to cognitive impairment * Being \<18 and \>65 years old * Being illiterate * Not accepting to participate in the study

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Conditions

The condition(s) this trial relates to.

cognitive disorder Cognitive Dysfunction fibromyalgia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Central sensitisation Cognitive dysfunction Fibromyalgia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Health Sciences University

    RECRUITING

    Istanbul, Uskudar, 34100, Turkey (Türkiye)

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