# Echinacea Safety Study

> **NCT01021995** · PHASE4 · COMPLETED · sponsor: **A. Vogel AG** · enrollment: 757 (actual)

## Conditions studied

- Infections

## Interventions

- **DRUG:** echinacea
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT01021995
- **Lead sponsor:** A. Vogel AG
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-10
- **Primary completion:** 2010-08
- **Final completion:** 2011-04
- **Target enrollment:** 757 (ACTUAL)
- **Last updated:** 2014-07-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01021995

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01021995, "Echinacea Safety Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01021995. Licensed CC0.

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