# To Evaluate the Efficacy and Safety of "Rongyang Zhengyifang" Tea Bag With COVID-19 Variant Virus

> **NCT05504447** · NA · UNKNOWN · sponsor: **Taipei Veterans General Hospital, Taiwan** · enrollment: 92 (estimated)

## Conditions studied

- Herbal Interaction

## Interventions

- **OTHER:** Rong-Yang Zhengyifang" tea bag
- **OTHER:** placebo tea bag

## Key facts

- **NCT ID:** NCT05504447
- **Lead sponsor:** Taipei Veterans General Hospital, Taiwan
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-08-15
- **Primary completion:** 2023-02-28
- **Final completion:** 2024-06-01
- **Target enrollment:** 92 (ESTIMATED)
- **Last updated:** 2023-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05504447

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05504447, "To Evaluate the Efficacy and Safety of "Rongyang Zhengyifang" Tea Bag With COVID-19 Variant Virus". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05504447. Licensed CC0.

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