# Evaluation of Vitamin D Levels in Psoriasis Patients

> **NCT01903317** · — · WITHDRAWN · sponsor: **University of California, Irvine**

## Conditions studied

- Psoriasis

## Interventions

- **OTHER:** Topical Therapy
- **OTHER:** Phototherapy and Systemic Therapy
- **OTHER:** Biologic Therapy

## Key facts

- **NCT ID:** NCT01903317
- **Lead sponsor:** University of California, Irvine
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2013-06
- **Primary completion:** 2015-07
- **Final completion:** 2015-07
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** No subjects enrolled
- **Last updated:** 2024-05-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01903317

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01903317, "Evaluation of Vitamin D Levels in Psoriasis Patients". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT01903317. Licensed CC0.

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