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Clinical trial

Safety and efficacy of rAAV2tYF-GRK1-RPGR in subjects with X-linked retinitis pigmentosa caused by RPGR mutations

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Last updated: 17th Sep 2026
Status: Active, not recruiting
Identifier: NCT03316560
Safety and efficacy of rAAV2tYF-GRK1-RPGR in subjects with X-linked retinitis pigmentosa caused by RPGR mutations (HORIZON)

 

Trial Fact Box
NCT Code NCT03316560
Sponsor Beacon Therapeutics
Study type(s) Interventional
Phase Phase 1 / Phase 2
Enrolment 29
Study Start (Actual) 16 April 2018
Primary Completion (Actual) 9 November 2023
Study Completion (Estimated)  March 2023

Official Title: 
A Phase 1/2 Open-Label Dose Escalation Study to Evaluate the Safety and Efficacy of AGTC-501 (rAAV2tYF-GRK1-RPGR) and a Phase 2 Randomized, Controlled, Masked, Multi-center Study Comparing Two Doses of AGTC-501 in Male Subjects With X-linked Retinitis Pigmentosa Confirmed by a Pathogenic Variant in the RPGR Gene

Brief Summary: 

This study will evaluate the safety and efficacy of a recombinant adeno-associated virus vector (rAAV2tYF-GRK1-RPGR) in patients with X-linked retinitis pigmentosa caused by RPGR mutations.

Detailed Description: 
This protocol includes a non-randomized, open-label, Phase 1/2 study (HORIZON). Approximately 30 participants will be enrolled into the dose escalation study (HORIZON). Each participant will receive the study agent by subretinal injection in one eye on a single occasion. Enrollment will begin with the lowest dose and will proceed to higher doses only after review of safety data by a Data and Safety Monitoring Committee (DSMC). There are a total of 15 visits over approximately 36 months, and long-term follow-up evaluations annually at years 4 and 5.


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