# Safety Trial of High Dose Oral Vitamin D3 With Calcium in Multiple Sclerosis

> **NCT00644904** · PHASE1,PHASE2 · COMPLETED · sponsor: **University of Toronto** · enrollment: 49 (actual)

## Conditions studied

- Multiple Sclerosis

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D3
- **DIETARY_SUPPLEMENT:** Vitamin D3

## Key facts

- **NCT ID:** NCT00644904
- **Lead sponsor:** University of Toronto
- **Sponsor class:** OTHER
- **Phase:** PHASE1,PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-07
- **Primary completion:** 2008-02
- **Final completion:** 2008-02
- **Target enrollment:** 49 (ACTUAL)
- **Last updated:** 2008-03-28

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00644904

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00644904, "Safety Trial of High Dose Oral Vitamin D3 With Calcium in Multiple Sclerosis". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT00644904. Licensed CC0.

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