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New study tests if adding a second release to carpal tunnel surgery boosts relief

NCT ID NCT07594821

Symptom relief Sponsor: Maasstad Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study compares standard carpal tunnel release surgery to an extended version that also releases a ligament in the forearm. Many people still have symptoms after standard surgery, possibly because the nerve is also compressed higher up. The trial will enroll 110 adults with carpal tunnel syndrome to see which approach provides better symptom relief.

What this could mean

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

Active substance
surgery (carpal tunnel release with or without lacertus fibrosis release)
What this could lead to
If the extended surgery works better, it could reduce the number of people who still have symptoms after standard carpal tunnel release.
What could go wrong
This is a small, early-stage trial with only 110 participants. The extended surgery may not provide extra benefit and could carry additional risks like more scarring or longer recovery.

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 110 people

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

Started

May 2026

Expected to finish

Feb 2028

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 being at least 18 years or older * CTS confirmed by EMG or nerve ultrasound * Patient opts for surgical treatment Exclusion Criteria: * Previous surgical decompression of the median nerve at the ipsilateral wrist or forearm * Severe thenar atrophy: Examination of the thenar is based on clinical observation. The presence of thenar muscle atrophy is scored as none, mild, or severe. * Simultaneous nerve decompression in the ipsilateral arm (e.g. cubital tunnel, Guyon and radial nerve release. * Neurological disorders affecting peripheral nerves (e.g. spinal cord compression or injury, muscular dystrophy, dystonia, ALS) * Malunion of the distal radius * Impaired hand function * Pregnancy * Inability to complete study forms due to insufficient comprehension of the Dutch language

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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 syndrome (CTS) Lacertus syndrome

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

  • Maasstad Ziekenhuis

    RECRUITING

    Rotterdam, South Holland, 3079 DZ, Netherlands

  • Spijkenise Medisch Centrum

    RECRUITING

    Rotterdam, South Holland, 3201 GZ, Netherlands

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