Clinical trial of chronically implanted retinal prosthesis by Suprachoroidal-Transretinal Stimulaiton in patient with retinitis pigmentosa
Not Applicable
- Conditions
- retinitis pigmentosa
- Registration Number
- JPRN-UMIN000012754
- Lead Sponsor
- Department of Applied Visual Science, Osaka University Graduate School of Medicine
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 3
Inclusion Criteria
Not provided
Exclusion Criteria
1. Patients with glaucoma, optic nerve disease, or retinal disease except from retinitis pigmentosa. 2. Patients with intracranial disease such as cerebral infarction or brain tumor. 3. Patients who are implanted any electrical device such as a cochlear implant or a deep brain stimulation. 4. Patients who are pregnant. 5. Patients with epilepsy. 6. Patients who cannot find phosphenes by electrical stimulation through cornea with less than 1.5 mA 7. Patients who refuse to receive treatment. 8. Patients who are decided by physicians in charge as being inappropriate this clinical trial.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Efficacy; comparison of the results of localization test, motion test, grating acuity, and mobility test. Safety; slit lamp examination, funduscopy and device check
- Secondary Outcome Measures
Name Time Method Efficacy; mobility test, questionnaire for quality of vision, PET, and NIRS Safety; fluorescein angiography, eye-movement test, OCT,and phosphene test in transcorneal-stimulation