# Se-Methyl-Seleno-L-Cysteine or Selenomethionine in Preventing Prostate Cancer in Healthy Participants

> **NCT01497431** · PHASE1 · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 66 (actual)

## Conditions studied

- No Evidence of Disease
- Prostate Carcinoma

## Interventions

- **DIETARY_SUPPLEMENT:** Selenium
- **OTHER:** Placebo
- **OTHER:** Laboratory Biomarker Analysis
- **OTHER:** Pharmacological Study
- **DRUG:** Methylselenocysteine

## Key facts

- **NCT ID:** NCT01497431
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-11
- **Primary completion:** 2014-06
- **Final completion:** 2014-07
- **Target enrollment:** 66 (ACTUAL)
- **Last updated:** 2014-11-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01497431

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01497431, "Se-Methyl-Seleno-L-Cysteine or Selenomethionine in Preventing Prostate Cancer in Healthy Participants". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT01497431. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
