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Neck pain may show up in your jaw muscle, study suggests

NCT ID NCT07468786

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study will use ultrasound to measure the thickness of the masseter (jaw) muscle in 90 adults—45 with chronic neck pain and 45 healthy. The goal is to see if the muscle is different in those with neck pain and how it relates to pain intensity and disability. No treatment is given; it is purely an observational study to gather knowledge.

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 identify a measurable physical difference in neck pain patients, potentially guiding future diagnostic or treatment approaches.
What could go wrong
This is an early observational study with no treatment being tested. It only looks at a possible link, not a cause or cure, so results may not lead to any direct benefit.

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 90 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

May 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

The study will include individuals aged 18-45 who have experienced neck pain for at least 3 months but do not have a diagnosed cervical pathology. The control group will include individuals aged 18-45 who do not have any health problems.

Ages

18 to 45 years

Sex

Anyone

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: * Be between the ages of 18 and 45 * Have neck pain that has persisted for at least 3 months * Agree to participate in the study voluntarily and provide written informed consent Exclusion Criteria: * History of cervical spine surgery or severe trauma * Diagnosis of cervical radiculopathy, myelopathy, or neurological disease * Rheumatic, inflammatory, or systemic musculoskeletal diseases * Diagnosed temporomandibular joint disorder (TMD) * Diagnosis of bruxism or a pronounced habit of teeth clenching/grinding * History of manual therapy, injection, or surgical intervention in the face, jaw, or neck region within the last 6 months * Currently undergoing orthodontic treatment or history of orthodontic treatment within the last 6 months * Cognitive impairment or conditions that prevent understanding and responding to questionnaires

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As listed by the trial registrant

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

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

  • Hasan Kalyoncu University

    Gaziantep, Şahinbey, 27000, Turkey (Türkiye)

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