Vitamin E, Selenium, and Soy Protein in Preventing Cancer in Patients With High-Grade Prostate Neoplasia
Conditions
- Precancerous/Nonmalignant Condition
- Prostate Cancer
Interventions
- DIETARY_SUPPLEMENT: selenium
- DIETARY_SUPPLEMENT: soy protein isolate
- DIETARY_SUPPLEMENT: vitamin E
Sponsor
NCIC Clinical Trials Group