drugset / Trial / NCT00032500
Evaluation of Echinacea for the Common Cold
RandomizedParallel-groupDouble-blindPrevention
Summary
The purpose of this study is to determine whether three Echinacea preparations with different chemical compositions are effective for prevention or treatment of the common cold.
Timeline
- Start
- 2001-09
- Primary completion
- —
- Completion
- 2004-05
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | ECHINACEA, UNSPECIFIED | Traditional medicine (herbal / TCM) | — | — |