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Thumb joint replacement shows promise for arthritis pain relief

NCT ID NCT07169474

Symptom relief Sponsor: Clinique Saint Jean, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether replacing the joint at the base of the thumb can improve hand function and reduce pain in people with thumb base osteoarthritis. Researchers will follow 300 adults who have this surgery and measure their hand function before and one year after the operation. The goal is to see if this procedure offers a reliable way to ease symptoms and improve daily activities.

What this could mean

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

Active substance
thumb joint replacement surgery (arthroplasty with a MAIA or TOUCH prosthesis)
What this could lead to
If successful, this surgery could become a standard option to reduce pain and improve hand function for people with thumb base osteoarthritis.
What could go wrong
This is an observational follow-up study, not a randomized trial, so results may be less definitive. Surgery carries risks like infection, nerve damage, or need for repeat surgery.

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 300 people

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

Started

Sep 2025

Expected to finish

Jul 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

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 over 18 years of age who are members or beneficiaries of french social security * Patient requiring surgical management * Clinical and radiographic diagnosis of peri-trapezial osteoarthritis in the 1 or 2 joints: TM osteoarthritis: glickel sign + grinding test STT osteoarthritis: pain on wrist mobilization in flexion-extension and prono-supination * TM (Eaton-Littler stages II to III) and STT (Crosby stages II and III) radiographic osteoarthritis * Persistent pain and functional limitations despite conservative treatment for at least 6 months (combining intermittent immobilization of wrist and thumb + joint infiltration of the 2 joints) * Ability to understand and sign the informed consent form. Exclusion Criteria: * History of surgery on the affected thumb. * Systemic inflammatory diseases (e.g. rheumatoid arthritis). * Active infection or history of joint infection of the upper limb. * Inability to participate in post-operative follow-up.

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Conditions

The condition(s) this trial relates to.

osteoarthritis, hand

As listed by the trial registrant

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

Trapeziometacarpal osteoarthritis

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

  • Clinique St jean sud de france

    RECRUITING

    Montpellier, 34430, France

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