# Investigating the Effects of Hydroxyvitamin D3 on Multiple Sclerosis

> **NCT05340985** · PHASE4 · UNKNOWN · sponsor: **Tehran University of Medical Sciences** · enrollment: 54 (estimated)

## Conditions studied

- Multiple Sclerosis, Relapsing-Remitting
- Adult ALL
- Vitamin D3 Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** 25(OH)D3
- **DIETARY_SUPPLEMENT:** vitamin D3

## Key facts

- **NCT ID:** NCT05340985
- **Lead sponsor:** Tehran University of Medical Sciences
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-07
- **Primary completion:** 2023-06
- **Final completion:** 2023-12
- **Target enrollment:** 54 (ESTIMATED)
- **Last updated:** 2022-04-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05340985

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05340985, "Investigating the Effects of Hydroxyvitamin D3 on Multiple Sclerosis". Retrieved via AI Analytics 2026-09-15 from https://api.ai-analytics.org/clinical/NCT05340985. Licensed CC0.

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