# COVID-19 Morbidity in Healthcare Workers and Vitamin D Supplementation

> **NCT05037253** · PHASE4 · COMPLETED · sponsor: **Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health** · enrollment: 128 (actual)

## Conditions studied

- COVID-19 Respiratory Infection

## Interventions

- **DRUG:** Vitamin D

## Key facts

- **NCT ID:** NCT05037253
- **Lead sponsor:** Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-30
- **Primary completion:** 2021-05-30
- **Final completion:** 2021-05-30
- **Target enrollment:** 128 (ACTUAL)
- **Last updated:** 2021-09-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05037253

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05037253, "COVID-19 Morbidity in Healthcare Workers and Vitamin D Supplementation". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05037253. Licensed CC0.

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