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AAV5-hRKp.RPGR

Phase 3

Retinitis Pigmentosa | Gene therapy | Ophthalmology |Johnson & Johnson|Last Updated: Jun 5, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
Double-BlindCONTROLLEDBiomarker
Total Trials1
Total Enrollment4
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05926583A Study of AAV5-hRKp.RPGR for the Treatment of Japanese Participants With X-linked Retinitis PigmentosaPHASE3 ACTIVE NOT_RECRUITING 4Sep 12, 2023Nov 12, 2030Jun 5, 20261 Japan
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Study Endpoints
Primary Endpoints
Number of Participants with Adverse Event (AEs)
Up to 60 Months

An AE is any untoward medical occurrence in a clinical study participant administered a investigational or non-investigational medicinal product. An AE does not necessarily have a causal relationship with the treatment.

Number of Participants with Abnormalities in Clinical Laboratory Assessments
Up to 60 Months

Number of participants with abnormalities in clinical laboratory assessment (hematology and serum chemistry) will be reported.

Secondary Endpoints
Change From Baseline in Low Luminance Visual Acuity by Early Treatment Diabetic Retinopathy Study (ETDRS) Chart Letter Score in Monocular Assessment at Week 52
Baseline - Week 52
Change From Baseline in Best Corrected Visual Acuity (BCVA) by Early Treatment Diabetic Retinopathy Study Chart Letter Score in Monocular Assessment at Week 52
Baseline - Week 52
Change From Baseline in Low Luminance Visual Acuity by Early Treatment Diabetic Retinopathy Study Chart Letter Score in Worse-seeing Eye at Week 52
Baseline - Week 52
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Group 1: AAV5-hRKp.RPGR Low DoseEXPERIMENTALParticipants will receive bilateral subretinal administration of AAV5-hRKp.RPGR low dose, with surgical delivery to the 2 eyes performed within 7 to 21 days apart.
Group 2: AAV5-hRKp.RPGR High DoseEXPERIMENTALParticipants will receive bilateral subretinal administration of AAV5 hRKp.RPGR high dose, with surgical delivery to the 2 eyes performed within 7 to 21 days apart.
Interventions
NameTypeDescription
AAV5-hRKp.RPGRGENETICAAV5-hRKp.RPGR will be administered by subretinal injection using a standardized surgical procedure.
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Eligibility Criteria
Age Range5 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Participants who are Japanese male or female aged 5 years or older * Participants diagnosed as X-linked retinitis pigmentosa (XLRP) (generalized rod-cone dystrophy) associated with pathogenic or likely pathogenic variants in the retinitis pigmentosa guanosine triphosphatase re...

Countries:Japan
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Recent Changes (Last 90 Days)
LOWJun 5, 2026NCT05926583lastUpdatePostDate: changed
LOWJun 5, 2026NCT05926583lastUpdatePostDate: changed
LOWJun 5, 2026NCT05926583lastUpdatePostDate: changed
LOWJun 5, 2026NCT05926583lastUpdatePostDate: changed
MEDIUMMay 26, 2026NCT05926583Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWMay 24, 2026NCT05926583studyFirstPostDate: changed