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Clinical trialNCT00006392CompletedPhase 3Interventional

S0000 Selenium and Vitamin E in Preventing Prostate Cancer

SponsorSWOG Cancer Research NetworkEnrollment35,533Prostate Cancer
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

13 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Robert H. Lurie Comprehensive Cancer Center at Northwestern University

    Chicago, Illinois, United States

  • Midwest Center for Hematology/oncology

    Joliet, Illinois, United States

  • Cardinal Bernardin Cancer Center at Loyola University Medical Center

    Maywood, Illinois, United States

  • Ccop - Cancer Research for the Ozarks

    Springfield, Missouri, United States

  • St. John'S Regional Health Center

    Springfield, Missouri, United States

  • Bethesda North Hospital

    Cincinnati, Ohio, United States

  • Good Samaritan Hospital Cancer Treatment Center

    Cincinnati, Ohio, United States

  • Tod Children'S Hospital

    Youngstown, Ohio, United States

  • Lafortune Cancer Center at St. John Medical Center

    Tulsa, Oklahoma, United States

  • Geisinger Medical Center

    Danville, Pennsylvania, United States

  • Geisinger Medical Group - Scenery Park

    State College, Pennsylvania, United States

  • Frank M. and Dorothea Henry Cancer Center at Geisinger Wyoming Valley Medical Center

    Wilkes-Barre, Pennsylvania, United States

  • U.T. Cancer Institute at University of Tennessee Medical Center

    Knoxville, Tennessee, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Jul 2001
Primary completion
31 May 2011
Completion
30 Sept 2012
Last update posted
20 Nov 2015
Registered enrollment
35,533
Registry id
NCT00006392

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.