Echinacea Versus Placebo Effect in Common Cold (Physician Echinacea Placebo)
Clinical trial NCT00065715 · COMPLETED
Trial details
- NCT number
- NCT00065715
- Sponsor
- University of Wisconsin, Madison
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2003-09-01
- Primary completion
- 2008-08-01
- Enrollment
- 719
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