# Investigation of the Effects of Dietary Nitrate and Sex on COVID-19 Vaccine Induced Vascular Dysfunction in Healthy Men and Women (DiNOVasc-COVID-19)

> **NCT04889274** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **Queen Mary University of London** · enrollment: 98 (estimated)

## Conditions studied

- Cardiovascular Diseases
- Endothelial Dysfunction

## Interventions

- **BIOLOGICAL:** COVID-19 vaccine
- **BIOLOGICAL:** Concentrate beetroot Juice
- **BIOLOGICAL:** Nitrate-deplete beetroot juice

## Key facts

- **NCT ID:** NCT04889274
- **Lead sponsor:** Queen Mary University of London
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-05-10
- **Primary completion:** 2026-04-30
- **Final completion:** 2026-04-30
- **Target enrollment:** 98 (ESTIMATED)
- **Last updated:** 2025-08-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04889274

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04889274, "Investigation of the Effects of Dietary Nitrate and Sex on COVID-19 Vaccine Induced Vascular Dysfunction in Healthy Men and Women (DiNOVasc-COVID-19)". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04889274. Licensed CC0.

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