# Impact of Vitamin A on Multiple Sclerosis (MS)

> **NCT01417273** · PHASE4 · UNKNOWN · sponsor: **Tehran University of Medical Sciences** · enrollment: 100 (estimated)

## Conditions studied

- Relapsing Remitting Multiple Sclerosis

## Interventions

- **DIETARY_SUPPLEMENT:** vitamin A
- **DRUG:** Drug: placebo

## Key facts

- **NCT ID:** NCT01417273
- **Lead sponsor:** Tehran University of Medical Sciences
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2010-02
- **Primary completion:** 2013-02
- **Final completion:** 2013-08
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2011-08-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01417273

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01417273, "Impact of Vitamin A on Multiple Sclerosis (MS)". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT01417273. Licensed CC0.

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