# Clinical Trial of Naoqingzhiming Tablets in Healthy Chinese Subjects

> **NCT04902534** · PHASE1 · UNKNOWN · sponsor: **The Affiliated Hospital of Qingdao University** · enrollment: 76 (estimated)

## Conditions studied

- Healthy Volunteers

## Interventions

- **DRUG:** Naoqingzhiming Tablets (contains echinacoside 180mg)
- **DRUG:** placebo of Naoqingzhiming Tablets (without echinacoside)

## Key facts

- **NCT ID:** NCT04902534
- **Lead sponsor:** The Affiliated Hospital of Qingdao University
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-08-05
- **Primary completion:** 2021-05-30
- **Final completion:** 2021-06-25
- **Target enrollment:** 76 (ESTIMATED)
- **Last updated:** 2021-05-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04902534

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04902534, "Clinical Trial of Naoqingzhiming Tablets in Healthy Chinese Subjects". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT04902534. Licensed CC0.

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