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Completed Phase 3 Interventional

Complications of Age-Related Macular Degeneration Prevention Trial

ClinicalTrials.gov ID: NCT00000167

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.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:40 PM EDT

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

Interventions

Procedure

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
May 1999 (Type not available)
Primary completion
Not listed
Completion
Jun 2006 (Actual)
Last update posted
Mar 24, 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 24, 2010 · Synced Oct 18, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00000167 live on ClinicalTrials.gov.

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