GTSCOPE - To Evaluate the Natural Progression of Dry Age-related Macular Degeneration (AMD)
Public ClinicalTrials.gov record NCT03894020. 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 Study of Disease Progression in Genetically Defined Subjects With Geographic Atrophy (GA) Secondary to Age-related Macular Degeneration (AMD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
An observational study to evaluate the natural progression of dry AMD in genetically defined subjects
Study identification
- NCT ID
- NCT03894020
- Recruitment status
- Terminated
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 83 participants
Conditions and interventions
Conditions
Interventions
Not listed
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
- Jan 8, 2019 (Actual)
- Primary completion
- Mar 25, 2024 (Actual)
- Completion
- Mar 25, 2024 (Actual)
- Last update posted
- Oct 30, 2024
2019 – 2024
United States locations
- U.S. sites
- 33
- U.S. states
- 21
- U.S. cities
- 32
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Retinal Research Institute (retina consultants of AZ) | Phoenix | Arizona | 85053 | — |
| Retina Centers PC | Tucson | Arizona | 85704 | — |
| Retina Vitreous Associates Medical Group | Beverly Hills | California | 90211 | — |
| Byers Eye Institute at Stanford | Palo Alto | California | 94303 | — |
| Retina Health Center | Fort Myers | Florida | 33907 | — |
| Retina Vitreous Associates of Florida | St. Petersburg | Florida | 33711 | — |
| Southeast Retina Center | Augusta | Georgia | 30909 | — |
| Georgia Retina PC | Marietta | Georgia | 30060 | — |
| University Retina Macula Associates PC | Lemont | Illinois | 60452 | — |
| Midwest Eye Institute Northside | Indianapolis | Indiana | 46290 | — |
| Wolfe Eye Clinic | West Des Moines | Iowa | 50266 | — |
| The Retina Care Center | Baltimore | Maryland | 21209 | — |
| Johns Hopkins University School of Medicine | Baltimore | Maryland | 21287 | — |
| Ophthalamic Consultants of Boston (OCB) | Boston | Massachusetts | 02114 | — |
| Pepose Vision Institute | Chesterfield | Missouri | 63017 | — |
| Sierra Eye Associates | Reno | Nevada | 89502 | — |
| New Jersey Retina Research Foundation | Vauxhall | New Jersey | 07088 | — |
| Long Island Vitreoretinal Consultants | Great Neck | New York | 11021 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| Retina Association of Western New York | Rochester | New York | 14620 | — |
| Wake Forest Baptist Medical Center - Wake Forest University School of Medicine | Winston-Salem | North Carolina | 27157 | — |
| Cincinnati Eye Institute | Cincinnati | Ohio | 45242 | — |
| Casey Eye Institute - OHSU | Portland | Oregon | 97239 | — |
| Mid-Atlantic Retina | Philadelphia | Pennsylvania | 19107 | — |
| Retina Consultants of Houston-TMC | Bellaire | Texas | 77401 | — |
| Retina Foundation of the Southwest | Dallas | Texas | 75231 | — |
| Retina Consultants of Houston | The Woodlands | Texas | 77384 | — |
| Strategic Clinical Research LLC | Willow Park | Texas | 76087 | — |
| Retina Associates of Utah | Salt Lake City | Utah | 84107 | — |
| Proliance Retina (formally known as Vitreoretinal Associates of Washington) | Bellevue | Washington | 98004 | — |
| Retina Center Northwest | Silverdale | Washington | 98383 | — |
| Spokane Eye Clinical Research | Spokane | Washington | 99204 | — |
| West Virginia University | Morgantown | West Virginia | 26506 | — |
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 38 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03894020, 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 Oct 30, 2024 · Synced Oct 30, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03894020 live on ClinicalTrials.gov.