Status:
COMPLETED
Therapeutic Effects of Transcranial Alternative Current Stimulation (tACS) in Chronic Post Stroke Hemianopia
Lead Sponsor:
Assistance Publique - Hôpitaux de Paris
Conditions:
Hemianopsia
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
Background: The most common visual field deficit after retro-chiasmatic lesions is homonymous hemianopia (HH), defined as the impossibility of seeing the contralesional visual hemisphere without ocula...
Detailed Description
Background: Focusing on low-level perceptual activities, and robust, controlled explorations with medium-sized cohorts, several studies have shown tACS effects related to oscillatory activity and int...
Eligibility Criteria
Inclusion
- Inclusion Criteria:
- Patient aged 18 and over
- Patient with homonymous lateral hemianopia with brain injury acquired for at least 3 months and at most 10 years after ischemic stroke, cerebral hematoma
- Patient able to understand French both orally and in writing
- Patient giving free, informed and written consent
- Absence of a neurological disease interfering with the passing of tests
- Non-inclusion criteria :
- Patients subject to a legal protection measure (safeguarding of justice, guardianship and trusteeship, protected adults)
- Pre-existing severe ophthalmological disorders, visual field disorders visual field disorders, monocular visual acuity less than 5/10, severe oculomotor disorders (post-stroke ophthalmological consultation less than at the time of inclusion)
- Contraindication of tACS and / or magnetic resonance imaging (pacemaker or implantable defibrillator, intracranial electrodes or other intracranial implant, cranial vault anomalies facing stimulation electrodes (plates, prostheses, uncovered skull)
- Pregnant women and nursing mothers
- Recruitment in other interventional studies for the duration of the participation.
- Non-affiliation to a social security scheme (excluding AME) or non-beneficiary of such a scheme
- Healthy participants inclusion criteria are the following:
- Healthy Subject 18 years and older
- Healthy subject able to understand French both orally and in writing
- Healthy subject who has given free and informed consent and writes
- Healthy participants non-inclusion criteria are the following:
- Severe neurological, psychiatric, physical, or ophthalmological disorders (binocular visual acuity less than 5/10, ophthalmological consultation less than one year old at the time of inclusion) that interfere with the normal performance of tests and study tasks
- Contraindication to magnetic resonance imaging (pacemaker or implantable defibrillator, intracranial electrodes or other intracranial implant, abnormalities of the cranial vault opposite stimulation electrodes (plates, prostheses, uncovered skull)
- Recruitment in other interventional studies for the duration of the participation.
- Pregnant women and nursing mothers
- Non-affiliation to a social security scheme (excluding AME) or non-beneficiary of such a scheme
Exclusion
Key Trial Info
Start Date :
December 22 2020
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 3 2025
Estimated Enrollment :
43 Patients enrolled
Trial Details
Trial ID
NCT04043689
Start Date
December 22 2020
End Date
April 3 2025
Last Update
May 8 2025
Active Locations (1)
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1
GH Pitié Salpêtrière
Paris, France, 75013