# S9917, Selenium in Preventing Cancer in Patients With Neoplasia of the Prostate

> **NCT00030901** · PHASE3 · COMPLETED · sponsor: **SWOG Cancer Research Network** · enrollment: 619 (actual)

## Conditions studied

- Precancerous/Nonmalignant Condition
- Prostate Cancer

## Interventions

- **DRUG:** L-selenomethionine
- **DRUG:** L-selenomethionine placebo

## Key facts

- **NCT ID:** NCT00030901
- **Lead sponsor:** SWOG Cancer Research Network
- **Sponsor class:** NETWORK
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2000-02
- **Primary completion:** 2011-11
- **Final completion:** 2011-11
- **Target enrollment:** 619 (ACTUAL)
- **Last updated:** 2013-02-06

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00030901

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00030901, "S9917, Selenium in Preventing Cancer in Patients With Neoplasia of the Prostate". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT00030901. Licensed CC0.

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