Complications of Age-Related Macular Degeneration Prevention Trial
Public ClinicalTrials.gov record NCT00000167. 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
Complications of Age-Related Macular Degeneration Prevention Trial (CAPT)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To determine whether application of low-intensity laser treatment of eyes with drusen in the macula can prevent later complications of age-related macular degeneration and thereby preserve visual function.
Study identification
- NCT ID
- NCT00000167
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 1,052 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 50 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
- Apr 30, 1999
- Primary completion
- Not listed
- Completion
- May 31, 2006
- Last update posted
- Mar 23, 2010
1999 – 2006
United States locations
- U.S. sites
- 24
- U.S. states
- 19
- U.S. cities
- 23
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Retinal Consultants of Arizona, Ltd. | Mesa | Arizona | 85201 | — |
| Retinal Consultants of Arizona, Ltd. | Peoria | Arizona | 85351 | — |
| West Coast Retina Medical Group, Inc. | San Francisco | California | 94107 | — |
| University of South Florida Eye Institute | Tampa | Florida | 33612-4766 | — |
| Emory Eye Center | Atlanta | Georgia | 30322 | — |
| Northwestern University | Chicago | Illinois | 60611 | — |
| Illinois Retina Associates, S.C. | Harvey | Illinois | 60426 | — |
| University of Iowa | Iowa City | Iowa | 55242-1091 | — |
| Ophthalmology & Visual Sciences at the University of Louisville, School of Medicine | Louisville | Kentucky | 40202-1594 | — |
| The Johns Hopkins University | Baltimore | Maryland | 21287-9223 | — |
| Ophthalmic Consultants of Boston | Boston | Massachusetts | 02114 | — |
| Associate Retinal Consultants, P.C. | Royal Oak | Michigan | 48073 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| Barnes Retina Institute | St Louis | Missouri | 63110 | — |
| Retina-Vitreous Center, P.A. | Edison | New Jersey | 08820 | — |
| Retina-Vitreous Center, P.A. | Lakewood | New Jersey | 08701 | — |
| Southeast Clinical Research Associates | Charlotte | North Carolina | 28204 | — |
| Retina Associates of Cleveland | Cleveland | Ohio | 44122 | — |
| The Ohio State University, Department of Ophthalmology | Columbus | Ohio | 43210 | — |
| Casey Eye Institute | Portland | Oregon | 97201-4197 | — |
| Retina Northwest, P.C. | Portland | Oregon | 97210 | — |
| Scheie Eye Institute | Philadelphia | Pennsylvania | 19104 | — |
| Texas Retina Associates | Dallas | Texas | 75231 | — |
| 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.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00000167, 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 Mar 23, 2010 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00000167 live on ClinicalTrials.gov.