CompletedNot Applicable

An Observational Study of Japanese Participants With X-linked Retinitis Pigmentosa

Japan15 participantsStarted 2021-07-26

Plain-language summary

The purpose of the study is to identify a cohort of Japanese participants with X-linked retinitis pigmentosa (XLRP) associated with pathogenic variants in the retinitis pigmentosa GTPase regulator (RPGR) gene and to investigate their associated phenotype.

Who can participate

Age range5 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Have RPGR-associated retinal dystrophy * 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: * Are unable or unwilling to undertake consent or clinical testing * Participated in another research study and had intraocular surgery within 3 months of screening * Significant ophthalmologic diseases

What they're measuring

Visual Function

Timeframe: Up to Day 30

Retinal Structure

Timeframe: Up to Day 30

Retinal Function

Timeframe: Up to Day 30

Trial details

NCT IDNCT04868916

SponsorJanssen Pharmaceutical K.K.

Sponsor typeINDUSTRY

Study typeOBSERVATIONAL

Primary completion2024-04-23

View on ClinicalTrials.gov More X-Linked Retinitis Pigmentosa trials