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Light therapy could soothe your aching jaw

NCT ID NCT07626164

Symptom relief Sponsor: Alexandria University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether shining specific light wavelengths (635, 940, or 1064 nm) on the jaw muscles can reduce pain and improve jaw function in people with chronic jaw muscle disorder (TMD). About 45 adults with moderate-to-severe jaw pain lasting over 3 months will receive several light therapy sessions. The goal is to find which wavelength works best for pain relief and daily activities.

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 45 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 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.

Ages

20 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: * Patients suffering from chronic myogenic TMD based on diagnostic criteria for diagnosis of temporomandibular joint disorders (DC/TMD) criteria. (pain increases with jaw opening, chewing, or clenching). * Patients suffering of unilateral or bilateral chronic pain (\> 3 months' duration) related to masseter and temporalis muscles(30). * Patients suffering of moderate-to-severe pain intensity ≥ 4 on a 0-10 VAS * Patients that have not responded to conservative modes of treatment during the study and up to 3 months after last intervention. (medications, physiotherapy, splints). Exclusion Criteria: * Patients suffering from chronic systematic conditions that alter pain sensitivity; neurological diseases, pain of dental origin, pregnancy or lactation, high blood pressure, diabetes milletus, rheumatic inflammatory disease, fibromyalgia, obstructive sleep apnea, and restrictions for the use of laser (pacemakers). * Participants on medications that affect pain sensitivity and perception during the last 2 weeks: anticoagulants, analgesics, or antidepressants. * History of surgery, arthropathy (joint disorders), facial trauma, malignant tumors or fractures in the orofacial region, neuropsychological or hormonal problems * Treatments: orthodontics, splints, major occlusal rehabilitation, prosthodontic therapy, previous PBM, TENS therapy, or botox for TMD in the last 6 months.

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Conditions

The condition(s) this trial relates to.

myofascial pain syndrome temporomandibular joint disorder temporomandibular joint dysfunction syndrome

As listed by the trial registrant

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

Temporomandibular disorders

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

  • Outpatient Clinic of Oral medicine Department, Faculty of Dentistry, Alexandria University, Egypt

    Alexandria, Egypt

More trials for these conditions

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