# Immunomodulatory and Preventive Effects of Olive Leaf Tea Against COVID-19

> **NCT05222347** · — · COMPLETED · sponsor: **Bezmialem Vakif University** · enrollment: 249 (actual)

## Conditions studied

- Immunomodulation

## Interventions

- **DIETARY_SUPPLEMENT:** Olive Leaf Tea

## Key facts

- **NCT ID:** NCT05222347
- **Lead sponsor:** Bezmialem Vakif University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-09-01
- **Primary completion:** 2021-03-04
- **Final completion:** 2021-09-05
- **Target enrollment:** 249 (ACTUAL)
- **Last updated:** 2022-02-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05222347

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05222347, "Immunomodulatory and Preventive Effects of Olive Leaf Tea Against COVID-19". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05222347. Licensed CC0.

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