International trends in the uptake of cancer risk reduction strategies in women with a BRCA1 or BRCA2 mutation
- PMID: 30971774
- PMCID: PMC6738089
- DOI: 10.1038/s41416-019-0446-1
International trends in the uptake of cancer risk reduction strategies in women with a BRCA1 or BRCA2 mutation
Abstract
Background: Women with a BRCA1 or BRCA2 mutation face high risks of breast and ovarian cancer. In the current study, we report on uptake of cancer screening and risk-reduction options in a cohort of BRCA mutation carriers from ten countries over two time periods (1995 to 2008 and 2009 to 2017).
Methods: Eligible subjects were identified from an international database of female BRCA mutation carriers and included women from 59 centres from ten countries. Subjects completed a questionnaire at the time of genetic testing, which included past use of cancer prevention options and screening tests. Biennial follow-up questionnaires were administered.
Results: Six-thousand two-hundred and twenty-three women were followed for a mean of 7.5 years. The mean age at last follow-up was 52.1 years (27-96 years) and 42.3% of the women had a prior diagnosis of breast cancer. In all, 27.8% had a prophylactic bilateral mastectomy and 64.7% had a BSO. Screening with breast MRI increased from 70% before 2009 to 81% at or after 2009. There were significant differences in uptake of all options by country.
Conclusion: For women who received genetic testing more recently, uptake of prophylactic mastectomy and breast MRI is significantly higher than those who received genetic testing more than 10 years ago. However, uptake of both BSO and breast MRI is not optimal, and interventions to increase uptake are needed.
Conflict of interest statement
The authors declare no competing interests.
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Comment in
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Cancer screening and prevention in BRCA mutation carriers: a missed opportunity?Br J Cancer. 2019 Jul;121(1):1-2. doi: 10.1038/s41416-019-0484-8. Epub 2019 Jun 7. Br J Cancer. 2019. PMID: 31171836 Free PMC article.
References
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- NCCN Clinical Practice Guidelines in Oncology: Genetic/Familial High-Risk Assessment: Breast and Ovarian: National Comprehensive Cancer Network. (2018).
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- Finch Amy P.M., Lubinski Jan, Møller Pål, Singer Christian F., Karlan Beth, Senter Leigha, Rosen Barry, Maehle Lovise, Ghadirian Parviz, Cybulski Cezary, Huzarski Tomasz, Eisen Andrea, Foulkes William D., Kim-Sing Charmaine, Ainsworth Peter, Tung Nadine, Lynch Henry T., Neuhausen Susan, Metcalfe Kelly A., Thompson Islay, Murphy Joan, Sun Ping, Narod Steven A. Impact of Oophorectomy on Cancer Incidence and Mortality in Women With a BRCA1 or BRCA2 Mutation. Journal of Clinical Oncology. 2014;32(15):1547–1553. doi: 10.1200/JCO.2013.53.2820. - DOI - PMC - PubMed
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