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Scientists hunt for clues behind fibromyalgia pain and sleep problems

NCT ID NCT07358754

Knowledge-focused Sponsor: Kanuni Sultan Suleyman Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at two proteins in the blood—S100B and BDNF—to see if they are linked to pain sensitivity and poor sleep in people with fibromyalgia. Researchers will compare 60 women with fibromyalgia to healthy women. The goal is to better understand what causes fibromyalgia symptoms, not to test a new treatment.

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 60 people

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

Started

Feb 2026

Expected to finish

Apr 2026

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

Presence of any systemic disease (hematologic, endocrine, rheumatologic, renal, cardiovascular, gastrointestinal, or respiratory) Active infection History of malignancy Major surgery or trauma within the last 1 year Any treatment for fibromyalgia within the last 3 months Pregnancy or breastfeeding Smoking Vitamin D deficiency

Ages

18 to 50 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Female participants aged between 18 and 50 years Diagnosis of fibromyalgia according to 2016 American College of Rheumatology (ACR) criteria Symptoms present for at least 3 months Ability to understand and complete study questionnaires Provision of written informed consent For healthy controls: No diagnosis of fibromyalgia or chronic widespread pain No known systemic disease Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

fibromyalgia

As listed by the trial registrant

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

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

  • Kanuni Sultan Süleyman Training and Research Hospital

    RECRUITING

    Istanbul, Turkey (Türkiye)

More trials for these conditions

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