Research Papers:

Family history of breast cancer increases the risk of prostate cancer: results from the EPICAP study

Pierre-Jean Lamy _, Brigitte Trétarre, Xavier Rebillard, Marie Sanchez, Sylvie Cénée and Florence Ménégaux

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Oncotarget. 2018; 9:23661-23669. https://doi.org/10.18632/oncotarget.25320

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Pierre-Jean Lamy1,2, Brigitte Trétarre3, Xavier Rebillard1, Marie Sanchez4, Sylvie Cénée4 and Florence Ménégaux4

1Service Urologie, Clinique Beau Soleil, Montpellier, France

2Institut d’Analyse Génomique-Imagenome, Labosud, Montpellier, France

3Registre des Tumeurs de l’Hérault, ICM, Montpellier, France

4Université Paris-Saclay, Université Paris-Sud, CESP (Center for Research in Epidemiology and Population Health), Inserm, Team Cancer and Environment, Villejuif, France

Correspondence to:

Pierre-Jean Lamy, email: [email protected]

Keywords: family history of cancer; epidemiology; prostate cancer; breast cancer; Gleason score

Abbreviations: BCa: breast cancer; GS: Gleason score; OR: Odd ratio; PCa: prostate cancer

Received: March 01, 2018     Accepted: April 17, 2018     Published: May 04, 2018


Introduction: Familial aggregation is now well established with an increased risk of prostate cancer in patients with a family history of prostate cancer in first degree relatives. The aim of this paper was to investigate the role of family history of cancer in first degree relatives in prostate cancer risk.

Results: As expected, a family history of prostate cancer in first-degree relatives was more frequent in cases than in controls (OR 3.10, 95% CI 2.32–4.15). A family history of early BCa (before age 50) in first-degree relatives was more frequent in cases than in controls (OR 1.79, 95% CI 1.09–2.94) with higher risk of aggressive PCa. The association was more pronounced for BCa in daughters (OR 15.26 95% CI 1.95–120).

Conclusions: In summary, a family history of BCa in first degree relatives before age 50 may increases the risk of PCa with higher Gleason score. This finding could suggest a specific prostate surveillance and/or genetic counselling for men who present such familial history.

Methods: EPIdemiological study of Prostate CAncer (EPICAP) is a population-based case-control study specifically designed to investigate the role of environmental and genetic factors in prostate cancer. Detailed information on family history of cancer in first degree relatives (parents, brothers and sisters, children) was collected as well as the age of occurrence and the localization of each cancer. Overall, 819 cases and 879 controls have been included.

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