At a glance
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The Effect of St. John's Wort Oil on Pain Intensity and Physical Functions in People With Knee Osteoarthritis: a Qualitative and Randomized Placebo-controlled Trial
In Brief
A clinical study evaluating locally applied to the skin for Osteoarthritis, Knee and Pain. Completed, enrolled 60 participants across 1 site.
Detailed Summary
This study investigated the effect of St. John's Wort oil on pain intensity and physical functions in people with knee osteoarthritis. This study adopted a randomized, placebo-controlled, and qualitative mixed design. The sample consisted of 60 patients randomized into intervention (n=30) and placebo control (n=30) groups. The experimental group participants were treated with St. John's Wort oil three times a week for three weeks, while the placebo control group participants were treated with olive oil three times a week for three weeks. Quantitative data were collected using a patient identification form, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and the Visual Analogue Scale (VAS). Qualitative data were collected through semi-structured interviews. .
Study Details
Timeline
Interventions
Applying St John's wort oil locally on the knee three times a day for three weeks.
Applying olive oil locally on the knee three times a day for three weeks.