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Can a simple device accurately gauge Nerve-Related ankle weakness?

NCT ID NCT07763522

Diagnosis Sponsor: Helsinki University Central 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This study evaluates a portable, strap-fixed device for measuring ankle strength in people with weakness caused by lumbar disc herniation. It compares the device's readings to a standard laboratory machine in healthy volunteers, then tests it in patients to see if it reliably captures a range of weakness levels. The goal is to offer a practical, objective alternative to manual muscle testing for clinical use.

What this could mean

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

Active substance
A handheld dynamometer with an external strap for measuring ankle strength
What this could lead to
If successful, this could provide a simple, reliable way to measure ankle weakness in patients with lumbar disc herniation, improving monitoring and treatment decisions.
What could go wrong
The method is being tested for validity and reliability, and results may not generalize to all patients or settings. It is a validation study, not a treatment trial.

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 70 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

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 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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.

First phase Inclusion Criteria: * Aged 18-65 years old * No pathology affecting ankle dorsiflexion or plantarflexion strength Exclusion Criteria: \- Pathology affecting ankle dorsiflexion or plantarflexion strength Second phase Inclusion Criteria: * Aged 18-65 years old * LDH-induced muscle weakness of ankle dorsiflexion or plantarflexion Exclusion Criteria: \- No muscle weakness induced by herniated lumbar disc

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Conditions

The condition(s) this trial relates to.

Intervertebral Disc Displacement lumbar disk disease Paresis

As listed by the trial registrant

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

Lumbar disc herniation Paresis

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Helsinki University Central Hospital

    Helsinki, Uusimaa, 00290, Finland

More trials for these conditions

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