# Vitamin D and Screening Colonoscopy or Polyp Surveillance

> **NCT02269332** · — · COMPLETED · sponsor: **Mike O'Callaghan Military Hospital** · enrollment: 298 (actual)

## Conditions studied

- Colon Cancer

## Interventions

- **OTHER:** Screening Colonoscopy

## Key facts

- **NCT ID:** NCT02269332
- **Lead sponsor:** Mike O'Callaghan Military Hospital
- **Sponsor class:** FED
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-08
- **Primary completion:** 2015-11
- **Final completion:** 2015-11
- **Target enrollment:** 298 (ACTUAL)
- **Last updated:** 2024-01-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02269332

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02269332, "Vitamin D and Screening Colonoscopy or Polyp Surveillance". Retrieved via AI Analytics 2026-06-22 from https://api.ai-analytics.org/clinical/NCT02269332. Licensed CC0.

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