Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)
Public ClinicalTrials.gov record NCT05176717. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Double-Masked, Randomized, Controlled, Multiple-Dose Study to Evaluate the Efficacy, Safety and Tolerability of QR-421a in Subjects With Retinitis Pigmentosa (RP) Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss
Study identification
- NCT ID
- NCT05176717
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- Laboratoires Thea
- Industry
- Enrollment
- 5 participants
Conditions and interventions
Conditions
Interventions
- QR-421a Drug
- Sham-procedure Other
Drug · Other
Eligibility (public fields only)
- Age range
- 12 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
- Dec 14, 2021
- Primary completion
- Aug 1, 2022
- Completion
- Aug 1, 2022
- Last update posted
- Aug 6, 2024
2021 – 2022
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Retina Foundation of the Southwest | Dallas | Texas | 75231 | — |
| University of Wisconsin - Madison | Madison | Wisconsin | 53705 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05176717, 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 Aug 6, 2024 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05176717 live on ClinicalTrials.gov.