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ClinicalTrials.gov public records Last synced Oct 7, 2026, 10:42 AM EDT

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Showing 1–1 of 1 matching trial from the live ClinicalTrials.gov search.
Filters: Intervention: St. John's Wort-900 mg/day Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

St. John's Wort for Tobacco Cessation

NCT00405912
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Placebo, St. John's Wort-900 mg/day, St. John's Wort-1800mg/day
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 19, 2011 · Synced Oct 7, 2026, 10:42 AM EDT