Recent Updates
Recently added Catalysts

AAV5-RPGR

Phase 1

X-Linked Retinitis Pigmentosa | Gene therapy | Ophthalmology |MeiraGTx Holdings plc|Last Updated: Jan 8, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment49
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03252847Gene Therapy for X-linked Retinitis Pigmentosa (XLRP) - Retinitis Pigmentosa GTPase Regulator (RPGR)PHASE1 COMPLETED 49Jul 31, 2017Nov 18, 2021Jan 8, 20255 United States, United Kingdom
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Number of Participants Meeting the Primary Outcome Defined as Any of the Below Events Occurring During the 9 Weeks Following Administration, at Least Possibly Related to the Advanced Therapy Investigational Medicinal Product (ATIMP), Not Surgery Alone.
9 weeks

The primary outcome is defined as any of the below occurring during the 9 weeks following administration, at least possibly related to the Advanced Therapy Investigational Medicinal Product (ATIMP), not surgery alone: * Reduction in visual acuity by 15 Early Treatment Diabetic Retinopathy Study (ETDRS) letters or more * Severe unresponsive inflammation * Infective endophthalmitis * Ocular malignancy * Grade III or above non-ocular Suspected Unexpected Serious Adverse Reaction (SUSAR)

Secondary Endpoints
Improvements in Visual Function as Assessed by Visual Acuity
Baseline and Month 6
Improvements in Retinal Function as Assessed by Static Perimetry
Baseline and Month 6
Quality of Life Measured by the Low Luminance Questionnaire (LLQ) Emotional Distress Domain Score
Baseline and Month 6
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1 (Part 1, Dose Escalation)EXPERIMENTALParticipants receive one of three doses of AAV5-RPGR
Phase 2 (Part 2; Expansion)EXPERIMENTALParticipants receive one of two doses of AAV5-RPGR
Interventions
NameTypeDescription
AAV5-RPGRGENETICSingle, subretinal administration of AAV5-RPGR
Unlock Study Design Details
Eligibility Criteria
Age Range5 Years — N/A
SexMALE
Healthy VolunteersNo
Study Sites5

Key inclusion Criteria: * Males aged 5 years or older * Have X-linked retinitis pigmentosa confirmed by a retinal specialist (CI or PI) Key exclusion Criteria: • Have participated in another research study involving an investigational medicinal therapy for ocular disease within the last 6 months

Countries:United StatesUnited Kingdom
Unlock Eligibility Criteria