# The Effect of Vitamin D Supplementation on Psoriasis Severity

> **NCT03334136** · NA · COMPLETED · sponsor: **University Hospital of North Norway** · enrollment: 115 (actual)

## Conditions studied

- Psoriasis
- Vitamin D Deficiency

## Interventions

- **DRUG:** 25-Hydroxyvitamin D
- **DRUG:** Placebo oral capsule

## Key facts

- **NCT ID:** NCT03334136
- **Lead sponsor:** University Hospital of North Norway
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-11-24
- **Primary completion:** 2019-05-13
- **Final completion:** 2019-05-13
- **Target enrollment:** 115 (ACTUAL)
- **Last updated:** 2020-10-08

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03334136

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03334136, "The Effect of Vitamin D Supplementation on Psoriasis Severity". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03334136. Licensed CC0.

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