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Is carpal tunnel surgery really effective? a new trial will find out.

NCT ID NCT06934187

Symptom relief Sponsor: Kuopio University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether carpal tunnel release surgery actually works better than a placebo surgery for carpal tunnel syndrome. 96 adults with confirmed CTS will be randomly assigned to real surgery or a sham procedure, and neither they nor their doctors will know which they received. The goal is to see if the surgery truly relieves pain and numbness more than just the act of having an operation.

What this could mean

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

Active substance
carpal tunnel release surgery
What this could lead to
If it works, this could confirm that carpal tunnel release surgery is truly effective, helping guide treatment decisions for millions with carpal tunnel syndrome.
What could go wrong
This is a small, early-stage trial. The placebo effect from surgery can be strong, so the real benefit of the procedure may be smaller than expected. Risks include scarring and nerve injury.

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.

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Dec 2033

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: * CTS diagnosed with ENMG, Symptoms typical for CTS, Ability to understand and answer the questionnaires, ≥ 18 years old. Exclusion Criteria: * Recurrent CTS; Ongoing systematic steroid treatment, chemotherapy, or immunomodulatory treatment; Pregnancy or breast feeding; Intrinsic muscle atrophy; Peripheral neuropathies; and Profound cognitive impairment

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Conditions

The condition(s) this trial relates to.

carpal tunnel syndrome

As listed by the trial registrant

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

Carpal tunnel surgery Carpal tunnel syndrome (CTS)

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

  • Kuopio University Hospital

    Kuopio, Northern Savonia, 70200, Finland

More trials for these conditions

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