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Echinacea and Acute Respiratory Illness
N/A
Waitlist Available
Led By David C. Nieman, DrPH
Research Sponsored by Appalachian State University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 12-weeks
Summary
The primary objective of this study is to evaluate the effectiveness of ingesting an alkylamide-rich echinacea root product (Quick Defense, Gaia Herbs) for 2 days immediately following each onset of acute respiratory illness (ARI) symptomatology during a 12-week period in the winter and early spring in women. Hypothesis: Subjects randomized to Quick Defense compared to placebo over a 12-week period will experience reduced ARI symptomatology, both acutely during each ARI episode and collectively over the entire 12-week study period.
Eligible Conditions
- Acute Respiratory Infection
Timeline
Screening ~ 3 weeks3 visits
Treatment ~ Varies
Follow Up ~ 12-weeks
Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~12-weeks
Treatment Details
Study Objectives
Study objectives can provide a clearer picture of what you can expect from a treatment.Primary study objectives
Common cold symptoms
Trial Design
2Treatment groups
Experimental Treatment
Placebo Group
Group I: Quick DefenseExperimental Treatment1 Intervention
250 mg E. purpurea root and 83 mg E.angustifolia root standardized to 10 mg alkylamides, and 210 mg of a proprietary synergistic extract blend containing andrographis paniculata leaf, black elderberry berries, sambucus nigra, ginger root, and zingiber officinale
Group II: PlaceboPlacebo Group1 Intervention
Placebo will contain the excipients vegetable glycerin and olive oil. Placebo and echinacea capsules will be colored green and contain the same proportions of inert ingredients.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Quick Defense
2013
N/A
~40
Find a Location
Who is running the clinical trial?
Appalachian State UniversityLead Sponsor
44 Previous Clinical Trials
2,480 Total Patients Enrolled
Gaia Herbs Inc.Industry Sponsor
2 Previous Clinical Trials
44 Total Patients Enrolled
David C. Nieman, DrPHPrincipal InvestigatorAppalachian State University
7 Previous Clinical Trials
383 Total Patients Enrolled