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Can light or sound waves silence jaw pain?

NCT ID NCT07800338

Symptom relief Sponsor: Cairo 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 02, 2026 · Last updated Sep 03, 2026 · Updated 1 time

Summary

This trial compares two non-invasive treatments for myofascial pain disorder, a common cause of chronic jaw and facial pain. Researchers will give one group low-level laser therapy and another group therapeutic ultrasound, both applied to the masseter muscle. The goal is to see which approach reduces pain and improves mouth opening more effectively. The study includes 36 adults with jaw pain and limited mouth opening, and measures pain levels and jaw mobility before and after treatment.

What this could mean

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

Active substance
Low-level laser therapy and therapeutic ultrasound, two non-invasive devices applied to the jaw muscles
What this could lead to
If one treatment proves better, it could give clinicians a clear first-choice option for easing chronic jaw pain and improving jaw function without drugs or surgery.
What could go wrong
This is a small early-stage trial with 36 participants, so results may not apply to everyone. Both treatments are generally low-risk, but individual responses can vary and neither may offer lasting relief.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 36 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

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.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: Patients should have one or more signs and symptoms of these * Symptoms: Patients who report typical symptoms of myofascial pain , such as pain, discomfort, especially when opening or closing the mouth. * Mouth Opening: Limited range of motion or difficulty with full mouth opening. * Pain: Pain or tenderness around the TMJ, often radiating to the ear, temple, or neck. * Patients who will be free from any systemic diseases that affect temporomandibular joint. * Patients who will be ready to give informed consent. Exclusion criteria: * Blood dyscrasias and systemtic diseases. * Previous surgery of the affected joint. * Infection * Patients with previous facial fracture. * Patients who will be under another type of treatment for TMD (e.g., occlusal splints, pharmacological drugs, or head and neck surgery). * Patients who will not attend the proposed treatment sessions or follow-up visits.

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Conditions

The condition(s) this trial relates to.

myofascial pain syndrome temporomandibular joint dysfunction syndrome

As listed by the trial registrant

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

TMJ

How to take part

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  1. 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 ↗

  2. A doctor treating you

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