Clinical Trial

A Prospective, Observational Study in Adults With Retinitis Pigmentosa (RP)

Active, Not Recruiting
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Record status
This record was last updated February 27, 2026 (before its estimated April 24, 2026 completion). Its status may not reflect the trial's current state.
Summary
The natural history in individuals with severe retinitis pigmentosa (RP) is variable and there remains an unmet need to better understand disease progression in this population. The goal of this study is to determine which visual assessments individuals with RP and low visual acuity can reliably perform and to evaluate the annual decline of visual function in severe RP.
Protocol Amendment History 5 amendments
This ClinicalTrials.gov record has been amended 5 times since 2024-07-18; most recent amendment 2026-02-25.
Status change: Recruiting → Active, Not Recruiting 2025-08-18
Status change: Not Yet Recruiting → Recruiting 2024-09-25
Trial Details
NCT Number NCT06517940
Lead Sponsor Sumitomo Pharma America, Inc.
Conditions Retinitis Pigmentosa
Enrollment 12 participants
Start Date 2024-10-03
Primary Completion 2026-04-24 (estimated)
Study Completion 2026-04-24 (estimated)
Updated on ClinicalTrials.gov 2026-02-27