Long-term Safety and Efficacy Follow-up of BIIB111 for the Treatment of Choroideremia and BIIB112 for the Treatment of X-Linked Retinitis Pigmentosa
Public ClinicalTrials.gov record NCT03584165. 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 Long-term Follow-up Study to Evaluate the Safety and Efficacy of Retinal Gene Therapy in Subjects With Choroideremia Previously Treated With Adeno-Associated Viral Vector Encoding Rab Escort Protein-1 (AAV2-REP1) and in Subjects With X-Linked Retinitis Pigmentosa Previously Treated With Adeno-Associated Viral Vector Encoding RPGR (AAV8-RPGR) in an Antecedent Study
Study identification
- NCT ID
- NCT03584165
- Recruitment status
- Enrolling by invitation
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- NightstaRx Ltd, a Biogen Company
- Other
- Enrollment
- 330 participants
Conditions and interventions
Conditions
Interventions
- BIIB111 Genetic
- BIIB112 Genetic
Genetic
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- 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
- Jun 3, 2018
- Primary completion
- Jun 3, 2026
- Completion
- Jun 3, 2026
- Last update posted
- Jun 11, 2025
2018 – 2026
United States locations
- U.S. sites
- 10
- U.S. states
- 9
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCLA - Jules Stein Eye Institute | Los Angeles | California | 90095-7065 | — |
| Vitreo Retinal Associates PA - The Millennium Center | Gainesville | Florida | 32607 | — |
| University of Miami | Miami | Florida | 33136 | — |
| Johns Hopkins Hospital | Baltimore | Maryland | 21287-0005 | — |
| MEEI Massachusets Eye and Ear Infirmary | Boston | Massachusetts | 02114-3002 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| Cincinnati Eye Institute - Blue Ash | Cincinnati | Ohio | 45242-5664 | — |
| OHSU - Casey Eye Institute | Portland | Oregon | 97239 | — |
| Retina Foundation of the Southwest | Dallas | Texas | 75231-5080 | — |
| University of Wisconsin School of Medicine | Madison | Wisconsin | 53705-3644 | — |
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 15 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03584165, 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 Jun 11, 2025 · Synced May 8, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03584165 live on ClinicalTrials.gov.