Moving patterns may help stroke survivors read faster
NCT ID NCT07830745
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers test whether optokinetic stimulation without a reading task improves reading speed in adults with hemianopic alexia after stroke. Participants receive 4 weeks of stimulation without a reading task and 4 weeks with a reading task, in random order. The study compares reading speed, accuracy, eye movements, and visual field before and after each period, with a follow-up one month later.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Optokinetic stimulation, a rehabilitation technique that uses moving visual patterns to train eye movements
- What this could lead to
- If it works, this could offer a simpler rehabilitation option for reading problems after stroke, one that does not require patients to read during therapy.
- What could go wrong
- The trial is small, with 30 participants, and early. Removing the reading task might not improve reading speed more than the standard approach, and results may not apply to everyone with hemianopic alexia.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Time since lesion \> 1 month * Diagnosis of homonymous hemianopia post-stroke without macular sparing * Reading complaint and/or reading impairment * Proficiency in reading French * Agreed to give informed consent * Afiliated with national health insurance Exclusion Criteria: * History of neurological or psychiatric disorders * Visual impairment of peripheral origin (i.e., related to damage to the structures of the eye or the optic nerve) * Uncorrected visual acuity deficit * Reading disorder prior to the stroke (dyslexia) * Instability of reading impairment * Instability of homonymous hemianopia * Major cognitive that would limit the ability of the patient to participate in the study (unilateral spatial neglect, simultanagnosia, comprehension disorder, oral expression disorder)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Clinique Les Trois Soleils
Boissise-le-Roi, Île-de-France Region, 77310, France
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Other studies related to the condition(s) this trial covers.
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