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Active, not recruiting Phase 1Phase 2 Interventional

A Study to Evaluate the Safety and Tolerability of QR-1123 in Subjects With Autosomal Dominant Retinitis Pigmentosa Due to the P23H Mutation in the RHO Gene

ClinicalTrials.gov ID: NCT04123626

Public ClinicalTrials.gov record NCT04123626. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Prospective First-In-Human Study to Evaluate the Safety and Tolerability of QR-1123 in Subjects With Autosomal Dominant Retinitis Pigmentosa (adRP) Due to the P23H Mutation in the RHO Gene

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study evaluates the safety, tolerability and efficacy of QR-1123 injection in the eye (intravitreal; IVT) injections (one eye/unilateral) in subjects receiving a single dose or repeat doses. Single injections will be assessed in an open label way, and repeat injections will be assessed in a double-masked, randomized, sham-controlled fashion.

Study identification

NCT ID
NCT04123626
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
ProQR Therapeutics
Industry
Enrollment
11 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 7, 2019 (Actual)
Primary completion
Jun 7, 2022 (Estimated)
Completion
Jun 7, 2022 (Estimated)
Last update posted
May 6, 2022

2019 – 2022

United States locations

U.S. sites
5
U.S. states
5
U.S. cities
5
Facility City State ZIP Site status
Sue Anschutz-Rogers Eye Center, University of Colorado - Dept. of Ophthalmology Aurora Colorado 80045 —
VitreoRetinal Associates Gainesville Florida 32607 —
Shriners UK Ophthalmology - University of Kentucky Lexington Kentucky 40536 —
Casey Eye Institute, OHSU Portland Oregon 97239 —
Retina Foundation of the Southwest Dallas Texas 75231 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04123626, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 6, 2022 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04123626 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →