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Jaw pain surgery showdown: which arthroscopic technique wins?

NCT ID NCT06782191

Disease control Sponsor: Karolinska Institutet 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This trial compares two arthroscopic procedures for treating painful jaw joint disc displacement with reduction. One procedure involves rinsing the joint and releasing adhesions, while the other adds further tissue adjustment. The study will see which method better improves mouth opening, reduces pain, and lessens disability. Participants will be randomly assigned to one of the procedures and followed for two years.

What this could mean

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

Active substance
Arthroscopic lysis and lavage (joint rinsing and adhesion release) compared to operative arthroscopy (additional tissue adjustment)
What this could lead to
If operative arthroscopy proves superior, it could become the preferred surgical option for people with painful jaw joint disc displacement, offering better mouth opening and pain relief.
What could go wrong
This is a relatively small trial, and the procedures are invasive with typical surgical risks. The results may not apply to all patients, and the more complex operative technique might not outperform the simpler lavage.

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 96 people

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

Started

Apr 2025

Expected to finish

Feb 2031

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

18 years and older

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: * Uni- or bilateral DDwR verified with clinical and magnetic resonance imaging (MRI) findings * TMJ pain ≥ 3 (NRS) and/or TMJ disability ≥ 3 (NRS) * Age ≥ 18 years Exclusion Criteria: * Prior open TMJ surgery * Patient diagnosed with rheumatologic joint disease * ASA (American Society of Anaesthesiologists) \> 3 * Patient unable to verify informed consent

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Conditions

The condition(s) this trial relates to.

temporomandibular joint disorder

As listed by the trial registrant

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

Temporomandibular disorders (TMD) Temporomandibular joint disc displacement, with reduction

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

  • Karolinska Institutet

    RECRUITING

    Huddinge, 14104, Sweden

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