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JRCT ID: jRCT2062260015

Registered date:01/05/2026

Clinical Trial of Retinal Prosthesis for Retinitis Pigmentosa

Basic Information

Recruitment status Recruiting
Health condition(s) or Problem(s) studiedRetinitis pigmentosa
Date of first enrollment01/05/2026
Target sample size3
Countries of recruitment
Study typeInterventional
Intervention(s)The subretinal implantation of OUH-MU001, using OUH-MU injector.

Outcome(s)

Primary OutcomeSerious adverse events and device malfunctions that may lead to serious adverse events which occur from the day of implantation surgery through 24 weeks after implantation.
Secondary Outcome

Key inclusion & exclusion criteria

Age minimumNot applicable
Age maximumNot applicable
GenderBoth
Include criteria1) The patient has been diagnosed with retinitis pigmentosa. 2) There is no corneal opacity in the eye, and the visual acuity is light perception. 3) The visual acuity of the fellow eye is diagnosed as light perception, hand movement or counting fingers. 4) The retinal imaging of the eye by optical coherence tomography (OCT) demonstrates preservation of two retinal layers, namely the nerve fiber layer and the inner plexiform layer. 5) Cataract surgery in the study eye was performed at least two weeks prior to the screening. 6) The patient has cognitive capacity. 7) Written informed consent to participate in this clinical trial has been obtained. 8) It has been determined that the observations and examinations specified in the protocol can be performed.
Exclude criteria1) The study eye has other ocular diseases except for retinitis pigmentosa. (1) Glaucoma (2) Optic nerve atrophy (3) Corneal opacity (4) Acute ocular infection 2) There is a history of retinal detachment surgery in the study eye, except for laser treatment for retinal tears. 3) The fundus cannot be visualized due to cataract in the study eye. 4) Cataract surgery was performed within two weeks prior to the start of screening. 5) The investigator judges that there is a history of drug allergy. 6) ECOG Performance Status is 3 or higher. 7) The patient has serious comorbidities such as hepatic, renal, cardiac, pulmonary, hematologic, metabolic, or psychiatric disorders. 8) The patient is pregnant, breastfeeding, possibly pregnant, intends to become pregnant during the study period, or cannot agree to contraception during the study period. 9) The patient is participating in another clinical trial or interventional clinical study, or less than three months have passed since completion of follow-up for such a trial or study. 10) The investigator judges the patient to be unsuitable for enrollment from social or ethical perspectives.

Related Information

Contact

Public contact
Name Jun Sakurai
Address 2-5-1 Shikata-cho, Kita-ku, Okayama-city, Okayama Prefecture Okayama Japan 700-8558
Telephone +81-86-235-6504
E-mail ourep-jrct@okayama-u.ac.jp
Affiliation Okayama University Hospital
Scientific contact
Name Tomiya Mano
Address 21-1 Senrioka Nishi, Suita City, Osaka Prefecture Osaka Japan 565-0814
Telephone +81-6-6878-1110
E-mail suita-chiken@tokushukai.jp
Affiliation Tokushukai Medical Corporation Suita Tokushukai Hospital