# The Relationship Between Vitamin D Levels, Inflammatory Parameters and Disease Severity of COVID-19 Infection

> **NCT04945577** · — · COMPLETED · sponsor: **Fatih Sultan Mehmet Training and Research Hospital** · enrollment: 300 (actual)

## Conditions studied

- Vitamin D Deficiency
- Covid19

## Interventions

- **DIAGNOSTIC_TEST:** Inflammatory Parameters
- **OTHER:** 25 OH Vitamin D Level

## Key facts

- **NCT ID:** NCT04945577
- **Lead sponsor:** Fatih Sultan Mehmet Training and Research Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-01
- **Primary completion:** 2020-08-01
- **Final completion:** 2020-08-01
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2021-06-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04945577

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04945577, "The Relationship Between Vitamin D Levels, Inflammatory Parameters and Disease Severity of COVID-19 Infection". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04945577. Licensed CC0.

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