An Observational Study of Japanese Participants With X-linked Retinitis Pigmentosa
NCT ID: NCT04868916
Last Updated: 2025-04-25
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
15 participants
OBSERVATIONAL
2021-07-26
2024-04-23
Brief Summary
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Participants with X-Linked Retinitis Pigmentosa (XLRP)
Participants with confirmed diagnosis of XLRP associated with pathogenic variants in retinitis pigmentosa GTPase regulator (RPGR) in the Japanese population will be enrolled in the study and the data will be collected and observed. The primary data source for this study will be the medical records of each participant.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Are able to give informed consent or assent, with the guidance of their parent/guardian where appropriate
* Are able to undertake age-appropriate clinical assessments as specified in the protocol
Exclusion Criteria
* Participated in another research study and had intraocular surgery within 3 months of screening
* Significant ophthalmologic diseases
5 Years
ALL
No
Sponsors
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Janssen Pharmaceutical K.K.
INDUSTRY
Responsible Party
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Principal Investigators
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Janssen Pharmaceutical K.K., Japan Clinical Trial
Role: STUDY_DIRECTOR
Janssen Pharmaceutical K.K.
Locations
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National Hospital Organization Tokyo Medical Center
Tokyo, , Japan
Countries
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References
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Fujinami-Yokokawa Y, Yang L, Joo K, Tsunoda K, Liu X, Kondo M, Ahn SJ, Li H, Park KH, Tachimori H, Miyata H, Woo SJ, Sui R, Fujinami K. Occult Macular Dysfunction Syndrome: Identification of Multiple Pathologies in a Clinical Spectrum of Macular Dysfunction with Normal Fundus in East Asian Patients: EAOMD Report No. 5. Genes (Basel). 2023 Sep 26;14(10):1869. doi: 10.3390/genes14101869.
Other Identifiers
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74765340RPG0001
Identifier Type: OTHER
Identifier Source: secondary_id
CR108926
Identifier Type: -
Identifier Source: org_study_id
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