Abstract Title:

Effect of a Psidii guajavae folium extract in the treatment of primary dysmenorrhea: a randomized clinical trial.

Abstract Source:

Graefes Arch Clin Exp Ophthalmol. 2007 Apr;245(4):588-94. Epub 2006 Aug 17. PMID: 17112693

Abstract Author(s):

Svetlana Vladislavovna Doubova, Hortensia Reyes Morales, Sergio Flores Hernández, María del Carmen Martínez-García, Marcela González de Cossío Ortiz, Marco A Chávez Soto, Erika Rivera Arce, Xavier Lozoya


OBJECTIVE: To assess the efficacy of two different doses of a Psidii guajavae folium extract in the management of primary dysmenorrhea. METHODOLOGY: A double-blinded randomized clinical trial was conducted in 197 women with primary dysmenorrhea. Four intervention groups were defined: two extract doses (3 and 6 mg/day); ibuprofen (1200 mg/day); placebo (3mg/day). Participants were followed-up individually for 4 months. The main outcome variable was abdominal pain intensity measured according to a visual analogue scale (VAS). RESULTS: The average age of participants was 19 years; menarche occurred around age 12 years. Participants had menstrual cycles of 28 or 29 days, with menstruation lasting 5 days and mean of pain intensity of 8.2 on the VAS. During each successive treatment cycle, participants experienced a lower pain intensity score. Multiple regression analysis, after adjusting each cycle for baseline pain, treatment compliance and other variables, showed that the group receiving 6 mg/day extract had significantly reduced pain intensity (p<0.001). This effect was maintained in cycles 2 and 3, although the reduction in the mean of pain intensity was lower. The group receiving the 3mg/day extract did not show a consistent effect throughout the three cycles. CONCLUSION: At a dose of 6 mg/day, the standardized phyto-drug (Psidii guajavae folium extract) reduced menstrual pain significantly compared with conventional treatment and placebo.

Study Type : Human Study

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