# Vitamin D Deficiency Causes Immune Dysfunction and Enables or Perpetuates the Development of Rheumatoid Arthritis

> **NCT00279461** · PHASE2 · WITHDRAWN · sponsor: **Indiana University**

## Conditions studied

- Arthritis, Rheumatoid
- Vitamin D Deficiency

## Interventions

- **DRUG:** Placebo in arm A and Vitamin D in arm B
- **DRUG:** vitamin D 3 for arm A ,and matching placebo for arm B

## Key facts

- **NCT ID:** NCT00279461
- **Lead sponsor:** Indiana University
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2009-05
- **Primary completion:** 2011-05
- **Final completion:** 2011-05
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Dr. Levy terminated from IU in December 2009. Indiana University has no record that this study was initiated prior to his termination.
- **Last updated:** 2015-08-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00279461

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00279461, "Vitamin D Deficiency Causes Immune Dysfunction and Enables or Perpetuates the Development of Rheumatoid Arthritis". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00279461. Licensed CC0.

---

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