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VR study reveals how limb disuse warps your sense of reach

NCT ID NCT07349173

Knowledge-focused Sponsor: Union de Gestion des Etablissements des Caisses d'Assurance Maladie - Nord Est Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study uses virtual reality to explore how people with upper limb exclusion (non-use of an arm or hand) perceive the space around them. Researchers will compare 60 participants—those with the condition and healthy controls—as they judge whether virtual objects are reachable. The goal is to understand if the brain's map of reachable space shrinks due to limb disuse.

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.

Participants

About 60 people

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

Started

Dec 2025

Expected to finish

Jan 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.

Who is studied

he study population consists of two groups recruited at the Institut Régional de Réadaptation (Centre Louis Pierquin, UGECAM Nord-Est) in Nancy, France. Patients with Exclusion: Participants are selected from patients receiving routine care (full hospitalization or day hospital) at the center. They are identified based on a functional assessment ("Bilan 400 points") showing specific impairments related to unilateral upper limb exclusion evolving for more than 3 months. Healthy Controls: Asymptomatic volunteers are recruited through the social or family network of the investigators and current participants, as well as via posters displayed in the UGECAM centers.

Ages

18 years and older

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.

Inclusion Criteria (patients): * Age ≥ 18 years. * Presenting unilateral exclusion symptom of the upper limb or part of the hand evolving for \> 3 months. * No contraindication to force work in daily activities. * For patients with finger exclusion: at least 2 perturbed items related to exclusion on tests 3 and 4 of the "Bilan 400 points". * Affiliated to a social security scheme. * Able to understand simple orders. Inclusion Criteria (Controls): * Age ≥ 18 years. * No history of upper limb impairment with sequelae. Exclusion Criteria (All): * Visual impairments. * Central neurological pathology. * Unstabilized psychiatric pathology. * Communication or comprehension difficulties. * Under legal protection or unable to consent. * Pregnant or breastfeeding women. * Cervical pathology contraindicating VR headset use. * Epilepsy. * Upper limb pathology unrelated to exclusion. * Inability to stand for 40 minutes.

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Conditions

The condition(s) this trial relates to.

complex regional pain syndrome Personal Space

As listed by the trial registrant

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

Complex regional pain syndrome (CRPS) Segmental exclusion syndrome Upper limb neglect (peripheral)

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

  • Institut Régional de Médecine Physique et de Réadaptation (IRR), Centre Louis Pierquin.

    RECRUITING

    Nancy, 54000, France

More trials for these conditions

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