InheriteD brEast caNcer iTalian regIsTrY A Retrospective-prospective Observational Cohort Study to Evaluate Cancer Prevention Strategies in Women With a Deleterious Mutation in BRCA1-2

The purpose of the study is to obtain and centralize data about cancer prevention strategies in women with a germline deleterious mutation in BRCA1-2 with or without a history of breast cancer in Italy

Sex

Female

Minimum age

18 Years

Inclusion Criteria:

Cohort A (Retrospective):

1. Female sex
2. Age ≥ 18 years
3. Signed informed consent
4. Documented germline deleterious mutation in BRCA1 and/or BRCA2 in people with: i) No history of cancer ii) Radically treated breast cancer iii) Stage IV breast cancer diagnosed after BRCA1-2 mutation detection
5. Admission to the participating Center since 1st of January 2010, prior to site activation

Cohort B (Prospective):

1. Female sex
2. Age ≥ 18 years
3. Signed informed consent
4. Documented germline deleterious mutation in BRCA1 and/or BRCA2 in people with: i) No history of cancer ii) Radically treated breast cancer iii) Stage IV breast cancer diagnosed after BRCA1-2 mutation detection
5. Admission to the participating Center after site activation

Exclusion Criteria:

Cohort A/B (Retrospective/Prospective):

1\. Other malignancies diagnosed within five years prior to BRCA1-2 mutation detection, except for:

* ovarian cancer stage I-II
* basal or squamous cell carcinoma of the skin
* melanoma in situ
* CIS of the cervix

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