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Neck and jaw connection under the microscope: new study aims to unlock TMD secrets

NCT ID NCT07371195

Knowledge-focused Sponsor: Deraya University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Aug 28, 2026 · Updated 2 times

Summary

This observational study will measure how well the upper neck moves and how that relates to jaw motion in 50 adults with temporomandibular disorders (TMD). Participants will have their neck and jaw movements measured with simple tools. The goal is to understand if limited neck mobility contributes to jaw problems, which could guide future treatments.

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 this study finds a clear link between neck mobility and jaw function, it could point toward better physical therapy approaches for TMD.
What could go wrong
This is a small, early observational study—it only looks for a relationship, not a treatment. Results may not apply to everyone with TMD.

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

50 people

The number who actually took part.

Started

Feb 2026

Finished

Aug 2026

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

Participants will be adult patients (both male and female) aged 18 to 50 years who have been clinically diagnosed with temporomandibular joint (TMJ) dysfunction for more than three months. All participants will be recruited from the outpatient clinic of the Faculty of Physical Therapy, Deraya University, Minya, Egypt. Eligible participants will be medically stable and free from systemic or neurological disorders that could affect cervical or temporomandibular mobility.

Ages

18 to 50 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: * Medically stable individuals who consent to participate in the study. * Age between 18 and 50 years. * Both male and female participants. * Patients diagnosed with temporomandibular joint (TMJ) dysfunction for at least three months. Exclusion Criteria: * Presence of systemic diseases. * Body mass index (BMI) greater than 30 kg/m². * Pregnancy. * Recent physical therapy for cervical spine disorders, headaches, or temporomandibular dysfunction. * Cervical radiculopathy or other neurological disorders. * History of trauma or major psychological problems. * Generalized joint hypermobility. * Down syndrome.

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Conditions

The condition(s) this trial relates to.

Post-Traumatic Headache temporomandibular joint disorder temporomandibular joint dysfunction syndrome

As listed by the trial registrant

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

Cervicogenic headache Temporomandibular disorders (TMD) Temporomandibular joint dysfunction syndrome

Contacts and locations

Locations

  • faculty of physical therapy, Deraya University

    Minya, Menia Governorate, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.