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Ground-Level vision test could help retinitis pigmentosa patients walk better

NCT ID NCT03989622

Knowledge-focused Sponsor: University Hospital, Limoges 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 was designed to see if a new method of measuring the visual field—by projecting vision zones on the ground—helps people with retinitis pigmentosa understand their remaining sight and improve their walking rehabilitation. The trial was withdrawn before enrolling any participants, so no results are available. It would have involved adults with advanced peripheral vision loss who could walk without a white cane.

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.

Expected to start

Oct 2019

An estimate. Start dates often move.

Expected to finish

Jun 2023

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: * patient at least 18 years old * patient with retinitis pigmentosa * a visual field less than or equal to 20 degrees regardless of the degree of visual acuity * lack of peripheral islets * to be able to move without a white detection cane * have signed an informed consent * be an affiliate or beneficiary of a French social security system. Exclusion Criteria: * severe disorders of transparent media that may interfere with visual impairment related to retinitis pigmentosa * impossibility to follow the protocol * Limitation of locomotion activities related to other than visual impairments: neurological disorders (hemiplegia, neuropathy, ...) * musculoskeletal disorders (arthropathies ...) * Any participation in a protocol having an impact on the walking path by Virtual Reality * person under the protection of justice, or under guardianship or curators * pregnant or lactating woman

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Conditions

The condition(s) this trial relates to.

retinitis pigmentosa RHYNS syndrome

As listed by the trial registrant

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

Retinitis pigmentosa syndrome

More trials for these conditions

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