S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000
Public ClinicalTrials.gov record NCT00706121. 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
S0000D: A Study of the Effect of Vitamin E and/or Selenium on Adenomatous Colorectal Polyps (ACP) in Participants Enrolled in SELECT
Study identification
- NCT ID
- NCT00706121
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Enrollment
- 8,094 participants
Conditions and interventions
Conditions
Interventions
- Selenium Drug
- Vitamin E Drug
- Vitamin E placebo Drug
- selenium placebo Drug
Drug
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
- May 31, 2008
- Primary completion
- Sep 30, 2015
- Completion
- Dec 31, 2017
- Last update posted
- Dec 15, 2019
2008 – 2018
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Arizona Cancer Center | Tucson | Arizona | 86724 | — |
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 NCT00706121, 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 Dec 15, 2019 · Synced May 14, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00706121 live on ClinicalTrials.gov.