Research · Randomized controlled trial
Preoperative oral Passiflora incarnata reduces anxiety in ambulatory surgery patients: a double-blind, placebo-controlled study
What it found
Passionflower significantly lowered pre-operative anxiety versus placebo, without sedation or impaired psychomotor recovery.
- Design
- Randomized controlled trial
- Year
- 2008
- Sample size
- 60
- Population
- adults undergoing ambulatory surgery
- Intervention
- oral Passiflora incarnata 500 mg 90 minutes before surgery vs placebo
- Outcome
- preoperative anxiety (numerical rating scale)
- Journal
- Anesthesia & Analgesia
Citation last checked 2026-06-21.