Extension Study of NT-501 Ciliary Neurotrophic Factor (CNTF) Implant for Macular Telangiectasia (MacTel)
Public ClinicalTrials.gov record NCT03071965. 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.
Study identification
- NCT ID
- NCT03071965
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Neurotech Pharmaceuticals
- Industry
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Interventions
- Ciliary neurotrophic factor (CNTF) Biological
- Surgery Procedure
Biological · Procedure
Eligibility (public fields only)
- Age range
- 21 Years to 80 Years
- 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
- May 11, 2017
- Primary completion
- May 10, 2021
- Completion
- May 10, 2021
- Last update posted
- May 8, 2025
2017 – 2021
United States locations
- U.S. sites
- 8
- U.S. states
- 8
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Stein Eye Institute / David Geffen School of Medicine | Los Angeles | California | 90095 | — |
| University of Miami-Miller School of Medicine, Bascom Palmer Eye Institute | Miami | Florida | 33136 | — |
| Emory University School of Medicine, Dept of Ophthalmology, Emory University Eye Center | Atlanta | Georgia | 30322 | — |
| NIH Clinical Center | Rockville | Maryland | 20892 | — |
| Massachusetts Eye and Ear Infirmary | Boston | Massachusetts | 02114 | — |
| University of Michigan, Kellogg Eye Center | Ann Arbor | Michigan | 48105 | — |
| Retina Associates of Cleveland, Inc | Cleveland | Ohio | 44122 | — |
| University of Wisconsin-Madison, Department of Ophthalmology and Visual Sciences | 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 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03071965, 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 8, 2025 · Synced Jul 23, 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 NCT03071965 live on ClinicalTrials.gov.