# The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19

> **NCT04468139** · PHASE4 · UNKNOWN · sponsor: **Ministry of Health, Saudi Arabia** · enrollment: 60 (estimated)

## Conditions studied

- Covid-19

## Interventions

- **DRUG:** Quercetin
- **DIETARY_SUPPLEMENT:** bromelain
- **DRUG:** Zinc
- **DRUG:** Vitamin C

## Key facts

- **NCT ID:** NCT04468139
- **Lead sponsor:** Ministry of Health, Saudi Arabia
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-20
- **Primary completion:** 2020-07-20
- **Final completion:** 2020-07-30
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2020-07-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04468139

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04468139, "The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04468139. Licensed CC0.

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