# Cholecalciferol for Vitamin D in Adult Cystic Fibrosis (CF) Patients

> **NCT00685971** · NA · COMPLETED · sponsor: **Unity Health Toronto** · enrollment: 200 (estimated)

## Conditions studied

- Cystic Fibrosis
- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** 5000 IU of cholecalciferol
- **DIETARY_SUPPLEMENT:** placebo

## Key facts

- **NCT ID:** NCT00685971
- **Lead sponsor:** Unity Health Toronto
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-12
- **Primary completion:** 2013-07
- **Final completion:** 2013-07
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2014-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00685971

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00685971, "Cholecalciferol for Vitamin D in Adult Cystic Fibrosis (CF) Patients". Retrieved via AI Analytics 2026-09-26 from https://api.ai-analytics.org/clinical/NCT00685971. Licensed CC0.

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