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TMJ surgery: do the benefits last a decade?

NCT ID NCT06782165

Knowledge-focused 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This study follows 91 people who had jaw joint surgery (arthroscopy or disc removal) about 10 years ago. Researchers want to see if the improvements seen at 6 months still hold up over the long term, and how the joint changes on X-rays over time. The goal is to understand how stable surgical outcomes are for temporomandibular joint disorders.

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 91 people

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

Started

Apr 2025

Expected to finish

Dec 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.

Who is studied

The cohort has already been operated (arthroscopy or discectomy) due to temporomandibular joint disc displacement during the years 2014-2017, then participating in a prospective cohort study mainly focusing on surgical outcome predictors (ethical approval: 2014/622-31/1 and 2014/764-31/2). These patients will now be offered a clinical and radiological examination approximately 10 years postoperative.

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: * Patients participating in the studies with ethical approval numbers EPN 2014/764-31/2 and 2014/622-31/1. * Initial diagnosis DDwR or DDwoR. Exclusion Criteria: * 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 Temporomandibular joint disc displacement, without 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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