Completed PHASE3 NCT00006392

S0000 Selenium and Vitamin E in Preventing Prostate Cancer

Selenium and Vitamin E Cancer Prevention Trial (SELECT) for Prostate Cancer

Sponsor: Cancer and Leukemia Group B

Interventions Selenium Vitamin E Vitamin E placebo selenium placebo

Updated 7 times since 2017 Last updated: Oct 23, 2015 Started: Jul 31, 2001 Primary completion: May 31, 2011 Completion: Sep 30, 2012

Listed as NCT00006392, this PHASE3 trial focuses on Prostate Cancer and remains completed. Sponsored by Cancer and Leukemia Group B, it has been updated 7 times since 2001, reflecting limited change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

Change History

7 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
May 2023 — Jul 2024 [monthly]

Completed PHASE3
Jan 2021 — May 2023 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

Jul 2001

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Cancer and Leukemia Group B
Eastern Cooperative Oncology Group
NCIC Clinical Trials Group
National Cancer Institute (NCI)
SWOG Cancer Research Network

Data source: SWOG Cancer Research Network

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Chicago, United States , Cincinnati, United States , Danville, United States , Joliet, United States , Knoxville, United States , Maywood, United States , Springfield, United States , State College, United States , Tulsa, United States , Wilkes-Barre, United States and 1 more location