At a glance
ClinicalIndex Comparison RecordPhase 2Completed· 70 enrolled
Drug / intervention
St. John's wort +1 moredrug
Likely dose
St. John's wort 450 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
A Placebo-Controlled Trial of St. John's Wort for Irritable Bowel Syndrome
In Brief
A Phase 2 clinical trial evaluating St. John's wort and Placebo for Irritable Bowel Syndrome. Completed, enrolled 70 participants across 1 site.
Detailed Summary
This study is being done to see if St. John's wort helps people with irritable bowel syndrome, otherwise known as "IBS". St. John's wort is a herbal supplement derived from the St. John's wort plant. It has been shown to be helpful in several medical conditions such as depression as well as other pain syndromes.
Study Details
Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsIrritable Bowel Syndrome
CountriesUnited States
Collaborators--
Timeline
Phase 2CompletedFinished
2006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartFeb 2006
Primary CompletionJan 2008
First PostedJan 2008
Study CompletionMar 2008
TodayJul 2026
First PostedJan 8, 2008
Enrollment StartFeb 1, 2006
Primary CompletionJan 1, 2008
Study CompletionMar 1, 2008
TodayJul 2, 2026
Enrollment to primary: 1.9 yearsPosted 18.5 years ago
Interventions
St. John's wortdrug
Dosage form: Tablet (450 mg) Dose: 450 mg twice a day, placebo twice a day
Placebodrug
Dosage form: Tablet (450 mg) Dose: 450 mg twice a day, placebo twice a day