Endometriosis and phytoestrogens: Friends or foes? a systematic review

Ludovica Bartiromo, Matteo Schimberni, Roberta Villanacci, Jessica Ottolina, Carolina Dolci, Noemi Salmeri, Paola Viganò, Massimo Candiani

Research output: Contribution to journalReview articlepeer-review


The aim of this systematic review was to provide comprehensive and available data on the possible role of phytoestrogens (PE) for the treatment of endometriosis. We conducted an advanced, systematic search of online medical databases PubMed and Medline. Only full-length manuscripts written in English up to September 2020 were considered. A total of 60 studies were included in the systematic review. According to in vitro findings, 19 out of 22 studies reported the ability of PE in inducing anti-proliferative, anti-inflammatory and proapoptotic effects on cultured cells. Various mechanisms have been proposed to explain this in vitro action including the alteration of cell cycle proteins, the activation/inactivation of regulatory pathways, and modification of radical oxidative species levels. Thirty-eight articles on the effects of phytoestrogens on the development of endometriotic lesions in in vivo experimental animal models of endometriosis have been included. In line with in vitro findings, results also derived from animal models of endometriosis generally supported a beneficial effect of the compounds in reducing lesion growth and development. Finally, only seven studies investigated the effects of phytoestrogens intake on endometriosis in humans. The huge amount of in vitro and in vivo animal findings did not correspond to a consistent literature in the women affected. Therefore, whether the experimental findings can be translated in women is currently unknown.

Original languageEnglish
Article number2532
Issue number8
Publication statusPublished - Aug 2021


  • Endometriosis
  • Flavonoid
  • Lignan
  • Phytoestrogens
  • Resveratrol

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics


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