NCT07502664Recruiting
Development and Evaluation of Functional Visual Field and Navigation Endpoints in Moderate to Profound Inherited Retinal Disease (DEFINE-IRD)
Source: ClinicalTrials.gov · Last updated 31 Mar 2026
Brief summary (registry, in English)
The Vision Research and Assessment Institute (VRAI) was established with the purpose of serving as a testing facility for efficacy endpoints for patients with Low Vision. The mission of the VRAI is to enable the highest quality, standardized efficacy testing of patients with visual impairment. The VRAI facilitates the development and refinement of existing endpoints specifically for testing patients with Low Vision.
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 25 (estimated)
- First submitted
- 24 Mar 2026
- Start date
- 19 Feb 2026
- Primary completion date
- Feb 2027
- Lead sponsor
- Ray Therapeutics, Inc.
- Diseases
- Macular degeneration, Retinitis pigmentosa
- NCT number
- NCT07502664
What you commit to
- Study type: Observational
- Planned participants: 25
- From 19 Feb 2026 to the primary completion date, Feb 2027
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Cognitive impairment, memory loss or dementia sufficient in severity to preclude informed consent or in the opinion of the investigator would prevent satisfactory completion of some or all of the testing.
Other
- Any circumstance that in the opinion of the investigator, would interfere with participation in, or compliance with the study protocol
- Current pregnancy as reported by patient
Who the study is looking for
- Diagnosis of bilateral retinitis pigmentosa (RP) or other retinal dystrophies impacting peripheral vision as confirmed from previous eye examination records
- Best-corrected visual acuity between 20/200 to HM in at least one eye.
- Reasonably fluent in English or Spanish
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Vision Research and Assessment Institute Coordinator of this site? Confirm its status | Irvine | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.