# Vitamin E, Selenium, and Soy Protein in Preventing Cancer in Patients With High-Grade Prostate Neoplasia

> **NCT00064194** · PHASE3 · COMPLETED · sponsor: **NCIC Clinical Trials Group** · enrollment: 310 (actual)

## Conditions studied

- Precancerous/Nonmalignant Condition
- Prostate Cancer

## Interventions

- **DIETARY_SUPPLEMENT:** selenium
- **DIETARY_SUPPLEMENT:** soy protein isolate
- **DIETARY_SUPPLEMENT:** vitamin E

## Key facts

- **NCT ID:** NCT00064194
- **Lead sponsor:** NCIC Clinical Trials Group
- **Sponsor class:** NETWORK
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2001-11-28
- **Primary completion:** 2008-04-30
- **Final completion:** 2008-04-30
- **Target enrollment:** 310 (ACTUAL)
- **Last updated:** 2020-04-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00064194

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00064194, "Vitamin E, Selenium, and Soy Protein in Preventing Cancer in Patients With High-Grade Prostate Neoplasia". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT00064194. Licensed CC0.

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