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Healthy nerve sizes revealed: ultrasound study sets new standard

NCT ID NCT03209947

Knowledge-focused Sponsor: University Hospital, Brest 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 aimed to find the normal ultrasound size of the ulnar nerve at the elbow in 50 healthy adults. Participants had no history of ulnar nerve problems. Researchers measured the nerve's surface area to establish a reference range, which could help diagnose nerve issues in the future.

What this could mean

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

What this could lead to
If successful, this could help doctors better diagnose ulnar nerve problems by providing a standard for what a healthy nerve looks like on ultrasound.
What could go wrong
This is a small, observational study in healthy people, so the results may not apply to everyone or to those with nerve symptoms.

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

50 people

The number who actually took part.

Started

Sep 2017

Finished

Feb 2018

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: * Patient aged 18 -to 80 years or older * Patient without any current or previous pathology on the ulnar nerve * Patients would be able to consent Exclusion Criteria: * Patient under administrative supervision or legal guardianship

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Conditions

The condition(s) this trial relates to.

ulnar neuropathy

As listed by the trial registrant

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

Ulnar neuropathies

Contacts and locations

Locations

  • CHRU de Brest

    Brest, 29609, France

More trials for these conditions

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