S0000B: Vitamin E and/or Selenium in Preventing Cataract and Age-Related Macular Degeneration in Men on SELECT SWOG-S0000
Public ClinicalTrials.gov record NCT00784225. 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
S0000B: Prevention of Cataract and Age-Related Macular Degeneration With Vitamin E and Selenium - SELECT Eye Endpoints (SEE)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
RATIONALE: Aging may affect a person's vision. Vitamin E and/or selenium may help prevent cataracts or age-related macular degeneration in men receiving these drugs as part of a clinical trial for the prevention of prostate cancer. PURPOSE: This clinical trial is studying vitamin E and/or selenium to see how well they work in preventing cataract and age-related macular degeneration in men enrolled on SELECT (SWOG-S0000).
Study identification
- NCT ID
- NCT00784225
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 13,475 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 50 Years to 120 Years
- Sex
- Male
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 30, 2004
- Primary completion
- Oct 31, 2017
- Completion
- Apr 30, 2018
- Last update posted
- Aug 13, 2019
2004 – 2018
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Harvard Medical School | Boston | Massachusetts | 02215 | — |
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 NCT00784225, 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 Aug 13, 2019 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00784225 live on ClinicalTrials.gov.