Clinical trials: Selenium
Cataract, Macular Degeneration
S0000B: Vitamin E and/or Selenium in Preventing Cataract and Age-Related Macular Degeneration in Men on SELECT SWOG-S0000
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…
- Trial name
- SEE (NCT00784225)
- Testing
- selenium, vitamin E
- Where
- United States
- Volunteers
- 13,475 people, healthy volunteers welcome
- Sponsor
- SWOG Cancer Research Network
Prostate Cancer
S0000 Selenium and Vitamin E in Preventing Prostate Cancer
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.
- Trial name
- SELECT (NCT00006392)
- Testing
- Vitamin E, Selenium
- Where
- 13 sites in United States
- Volunteers
- 35,533 people, healthy volunteers welcome
- Sponsor
- SWOG Cancer Research Network
Colorectal Cancer, Adenomatous Colorectal Polyps
Selenium for Prevention of Adenomatous Colorectal Polyps
RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development or recurrence of cancer. Selenium may be effective in preventing the recurrence of adenomatous colorectal polyps.
- Conditions
- Colorectal Cancer, Adenomatous Colorectal Polyps, Precancerous Condition
- Trial name
- NCT00078897
- Testing
- Selenium
- Where
- 7 sites in United States
- Volunteers
- 1,621 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Healthy
Selenium and Immune Function
The aim of the study is to investigate the relationship between dose and form of selenium on immune function, and to identify functional markers of selenium status.
- Trial name
- NCT00279812
- Testing
- 50ug selenium enriched yeast, 100ug selenium enriched yeast, 200ug selenium enriched yeast
- Where
- United Kingdom
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Quadram Institute Bioscience
Colorectal Cancer, Precancerous Condition
S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000
RATIONALE: Studying tissue samples in the laboratory from participants receiving treatment on the Selenium and Vitamin E Cancer Prevention Trial (SELECT) SWOG-S0000 may help doctors predict a participant's response to treatment…
- Trial name
- ACP (NCT00706121)
- Testing
- Vitamin E, Selenium
- Where
- United States
- Volunteers
- 8,094 people, healthy volunteers welcome
- Sponsor
- SWOG Cancer Research Network