S0000 Selenium and Vitamin E in Preventing Prostate Cancer
Public ClinicalTrials.gov record NCT00006392. 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
Selenium and Vitamin E Cancer Prevention Trial (SELECT) for Prostate Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development of cancer. It is not yet known which regimen of selenium and/or vitamin E may be more effective in preventing prostate cancer. PURPOSE: Randomized phase III trial to determine the effectiveness of selenium and vitamin E, either alone or together, in preventing prostate cancer.
Study identification
- NCT ID
- NCT00006392
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 35,533 participants
Conditions and interventions
Conditions
Interventions
- Vitamin E Drug
- Selenium Drug
- Vitamin E placebo Other
- selenium placebo Other
Drug · Other
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, 2001
- Primary completion
- Apr 30, 2011
- Completion
- Aug 31, 2012
- Last update posted
- Nov 19, 2015
2001 – 2012
United States locations
- U.S. sites
- 13
- U.S. states
- 6
- U.S. cities
- 11
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Robert H. Lurie Comprehensive Cancer Center at Northwestern University | Chicago | Illinois | 60611-3013 | — |
| Midwest Center for Hematology/Oncology | Joliet | Illinois | 60432 | — |
| Cardinal Bernardin Cancer Center at Loyola University Medical Center | Maywood | Illinois | 60153 | — |
| CCOP - Cancer Research for the Ozarks | Springfield | Missouri | 65802 | — |
| St. John's Regional Health Center | Springfield | Missouri | 65804 | — |
| Good Samaritan Hospital Cancer Treatment Center | Cincinnati | Ohio | 45220 | — |
| Bethesda North Hospital | Cincinnati | Ohio | 45242 | — |
| Tod Children's Hospital | Youngstown | Ohio | 44501 | — |
| LaFortune Cancer Center at St. John Medical Center | Tulsa | Oklahoma | 74104 | — |
| Geisinger Medical Center | Danville | Pennsylvania | 17822-0001 | — |
| Geisinger Medical Group - Scenery Park | State College | Pennsylvania | 16801 | — |
| Frank M. and Dorothea Henry Cancer Center at Geisinger Wyoming Valley Medical Center | Wilkes-Barre | Pennsylvania | 18711 | — |
| U.T. Cancer Institute at University of Tennessee Medical Center | Knoxville | Tennessee | 37920-6999 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
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About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00006392, 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 Nov 19, 2015 · Synced Sep 1, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00006392 live on ClinicalTrials.gov.