# The Effect of Vitamin D Supplementation on Disease Activity Markers in Systemic Lupus Erythematosus (SLE)

> **NCT01425775** · NA · COMPLETED · sponsor: **University of Alexandria** · enrollment: 248 (actual)

## Conditions studied

- Systemic Lupus Erythematosus

## Interventions

- **DRUG:** vitamin D 25(OH)D
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01425775
- **Lead sponsor:** University of Alexandria
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-04
- **Primary completion:** 2010-09
- **Final completion:** 2011-05
- **Target enrollment:** 248 (ACTUAL)
- **Last updated:** 2011-08-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01425775

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01425775, "The Effect of Vitamin D Supplementation on Disease Activity Markers in Systemic Lupus Erythematosus (SLE)". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT01425775. Licensed CC0.

---

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