# S0000B: Vitamin E and/or Selenium in Preventing Cataract and Age-Related Macular Degeneration in Men on SELECT SWOG-S0000

> **NCT00784225** · PHASE3 · COMPLETED · sponsor: **SWOG Cancer Research Network** · enrollment: 13475 (actual)

## Conditions studied

- Cataract
- Macular Degeneration

## Interventions

- **DRUG:** selenium
- **DRUG:** vitamin E
- **DRUG:** vitamin E placebo
- **DRUG:** selenium placebo

## Key facts

- **NCT ID:** NCT00784225
- **Lead sponsor:** SWOG Cancer Research Network
- **Sponsor class:** NETWORK
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-07
- **Primary completion:** 2017-11
- **Final completion:** 2018-05
- **Target enrollment:** 13475 (ACTUAL)
- **Last updated:** 2019-08-14

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00784225

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00784225, "S0000B: Vitamin E and/or Selenium in Preventing Cataract and Age-Related Macular Degeneration in Men on SELECT SWOG-S0000". Retrieved via AI Analytics 2026-07-08 from https://api.ai-analytics.org/clinical/NCT00784225. Licensed CC0.

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