Clinical trials: completed, sponsored by SWOG Cancer Research Network
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
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