Status:
COMPLETED
Immunologic Effects of Echinacea
Lead Sponsor:
University of Washington
Collaborating Sponsors:
National Center for Complementary and Integrative Health (NCCIH)
Conditions:
Upper Respiratory Tract Infections
Eligibility:
All Genders
21-65 years
Phase:
NA
Brief Summary
The goal of this study is to determine if Echinacea purpurea stimulates the immune system. For the study, 20 healthy adults will be randomized to receive Echinacea purpurea or placebo for 10 days. Blo...
Eligibility Criteria
Inclusion
- Healthy adults 21-65 years old
- If female of child-bearing potential, willing to use contraception to prevent pregnancy
- Speaks and reads English
- No use of any medication (other than multivitamins, essential fatty acids or probiotics)
- Willing to abstain from ingesting edible mushrooms throughout study
- Willing to eat less than 2 garlic cloves per day throughout study
Exclusion
- Positive pregnancy test or currently breastfeeding
- History of autoimmune disease
- History of allergic rhinitis
- History of physician diagnosed eczema
- Known allergic reaction to Echinacea or related species, specifically ragweed (Ambrosia), chamomile (Matricaria), goldenrod (Solidago) and sunflower (Helianthus)
- Use of any medication within 30 days prior to first dose of study medication that is a known inhibitor or inducer of CYP34A
Key Trial Info
Start Date :
March 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
August 1 2009
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT00860795
Start Date
March 1 2009
End Date
August 1 2009
Last Update
May 1 2018
Active Locations (1)
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1
Bastyr University
Kenmore, Washington, United States, 98028