Hormone replacement therapy after prophylactic risk-reducing salpingo-oophorectomy and breast cancer risk in BRCA1 and BRCA2 mutation carriers: A meta-analysis

Claudia Marchetti, F. De Felice, S. Boccia, C. Sassu, V. Di Donato, G. Pergnola, I. Palaia, M. Monti, L. Muzii, V. Tombolini, P. Benedetti Panici

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Background: Hormone replacement therapy (HRT) has been tested in women with BRCA1 and BRCA2 mutations who underwent risk-reducing salpingo-oophorectomy (RRSO), but its effect on breast cancer (BC) risk has never been appraised using meta-analysis comparison. We performed the first meta-analysis aimed to clarify whether HRT after RRSO could negatively impact on BC risk in women carriers of BRCA1 and BRCA2 mutations. Methods and material: Pubmed and Scopus databases were searched to retrieve articles written in the English language. Trials comparing RRSO with or without HRT were identified and only those trials with available BC events were included. BC risk was the main endpoint. Results: Three trials with 1100 patients were included. There was not a significantly higher BC risk in BRCA1 and BRCA2 mutation carriers receiving HRT after RRSO (HR = 0.98; 95% CI 0.63–1.52). There was a slightly but not significantly, benefit in BC risk reduction in favor of estrogen alone HRT versus estrogen plus progesterone HRT formulation (OR = 0.53; 95% CI 0.25–1.15). Conclusion: HRT use after RRSO in BRCA 1 and BRCA2 mutation carries does not affect BC risk. Comparison of the different HRT types suggests that estrogen alone should be related to lowest BC risk.
Lingua originaleEnglish
pagine (da-a)111-115
Numero di pagine5
RivistaCRITICAL REVIEWS IN ONCOLOGY HEMATOLOGY
Volume132
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • BRCA
  • Breast cancer
  • Estrogen
  • Hormone therapy
  • Progesterone
  • Prophylactic surgery
  • Risk
  • Risk-reducing salpingo-oophorectomy

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