Cited by 1,494BRCA gene mutations in cancerMultiple and Secondary Primary CancersCancer Risks and Factors

Association of Risk-Reducing Surgery in <emph type="ital">BRCA1</emph> or <emph type="ital">BRCA2</emph> Mutation Carriers With Cancer Risk and Mortality

Open access
Domchek, Susan M.·2010·JAMA

Abstract

CONTEXT: Mastectomy and salpingo-oophorectomy are widely used by carriers of BRCA1 or BRCA2 mutations to reduce their risks of breast and ovarian cancer. OBJECTIVE: To estimate risk and mortality reduction stratified by mutation and prior cancer status. DESIGN, SETTING, AND PARTICIPANTS: Prospective, multicenter cohort study of 2482 women with BRCA1 or BRCA2 mutations ascertained between 1974 and 2008. The study was conducted at 22 clinical and research genetics centers in Europe and North America to assess the relationship of risk-reducing mastectomy or salpingo-oophorectomy with cancer outcomes. The women were followed up until the end of 2009. MAIN OUTCOMES MEASURES: Breast and ovarian cancer risk, cancer-specific mortality, and overall mortality. RESULTS: No breast cancers were diagnosed in the 247 women with risk-reducing mastectomy compared with 98 women of 1372 diagnosed with breast cancer who did not have risk-reducing mastectomy. Compared with women who did not undergo risk-reducing salpingo-oophorectomy, women who underwent salpingo-oophorectomy had a lower risk of ovarian cancer, including those with prior breast cancer (6% vs 1%, respectively; hazard ratio [HR], 0.14; 95% confidence interval [CI], 0.04-0.59) and those without prior breast cancer (6% vs 2%; HR, 0.28 [95% CI, 0.12-0.69]), and a lower risk of first diagnosis of breast cancer in BRCA1 mutation carriers (20% vs 14%; HR, 0.63 [95% CI, 0.41-0.96]) and BRCA2 mutation carriers (23% vs 7%; HR, 0.36 [95% CI, 0.16-0.82]). Compared with women who did not undergo risk-reducing salpingo-oophorectomy, undergoing salpingo-oophorectomy was associated with lower all-cause mortality (10% vs 3%; HR, 0.40 [95% CI, 0.26-0.61]), breast cancer-specific mortality (6% vs 2%; HR, 0.44 [95% CI, 0.26-0.76]), and ovarian cancer-specific mortality (3% vs 0.4%; HR, 0.21 [95% CI, 0.06-0.80]). CONCLUSIONS: Among a cohort of women with BRCA1 and BRCA2 mutations, the use of risk-reducing mastectomy was associated with a lower risk of breast cancer; risk-reducing salpingo-oophorectomy was associated with a lower risk of ovarian cancer, first diagnosis of breast cancer, all-cause mortality, breast cancer-specific mortality, and ovarian cancer-specific mortality.

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Crossref · 10.1001/jama.2010.1237

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  • In a prospective multicenter cohort of 2,482 women with BRCA1 or BRCA2 mutations, among women without prior breast cancer, those who underwent risk-reducing BSO had a lower risk of first breast cancer diagnosis compared with those who did not: 7% versus 23% in BRCA2 carriers (HR 0.36, 95% CI 0.16-0.82) and 14% versus 20% in BRCA1 carriers (HR 0.63, 95% CI 0.41-0.96).

    “Among women without a prior history of breast cancer, those who underwent risk-reducing BSO had a lower risk of first breast cancer diagnosis compared with those who did not: 7% versus 23% in BRCA2 carriers (HR: 0.36 (95% CI: 0.16 - 0.82)) and 14% versus 20% in BRCA1 carriers (HR: 0.63 (95% CI: 0.41 - 0.96)).”

    From Screening, Risk Reduction Strategies, and Clinical Management of Unaffected Carriers of <i>BRCA1</i> or <i>BRCA2</i> Pathogenic Variants (2026) · cites this paper as [54]

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  • In that cohort, BSO was associated with reduced breast cancer-specific mortality (2% vs 6%; HR 0.44, 95% CI 0.26-0.76).

    “BSO was also associated with reduced breast cancer-specific mortality (2% vs. 6%; HR: 0.44 (95% CI: 0.26 - 0.76))”

    From Screening, Risk Reduction Strategies, and Clinical Management of Unaffected Carriers of <i>BRCA1</i> or <i>BRCA2</i> Pathogenic Variants (2026) · cites this paper as [54]

    The Results section, under “Effect of RRSO on Mortality (Table 4),” reports lower breast cancer-specific mortality after risk-reducing salpingo-oophorectomy (BSO), with the stated HR of 0.44 and 95% CI of 0.26–0.76. The passages in our copy do not report the claimed 2% versus 6% breast cancer-specific mortality figures, so those percentages remain unsupported. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • In that cohort, BSO was associated with lower ovarian cancer-specific mortality (0.4% vs 3%; HR 0.21, 95% CI 0.06-0.80).

    “lower ovarian cancer-specific mortality (0.4% vs. 3%; HR: 0.21 (95% CI: 0.06 - 0.80))”

    From Screening, Risk Reduction Strategies, and Clinical Management of Unaffected Carriers of <i>BRCA1</i> or <i>BRCA2</i> Pathogenic Variants (2026) · cites this paper as [54]

    The Results section, under “Effect of RRSO on Mortality (Table 4),” reports an association between risk-reducing salpingo-oophorectomy (BSO) and lower ovarian cancer-specific mortality. It gives HR 0.24 (95% CI 0.08–0.73), however, not the cited HR 0.21 (0.06–0.80); the cited 0.4% versus 3% comparison is not supported by the passages found in our copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • In that cohort, BSO was associated with decreased all-cause mortality (3% vs 10%; HR 0.40, 95% CI 0.26-0.61).

    “and decreased all-cause mortality (3% vs. 10%; HR: 0.40 (95% CI: 0.26 - 0.61))”
  • Risk-reducing bilateral salpingo-oophorectomy lowers the likelihood of ovarian and breast cancer among women who carry BRCA1 or BRCA2 gene mutations.

    “Risk-reducing bilateral salpingo-oophorectomy (RRSO) lowers the likelihood of ovarian and breast cancer among women who carry BRCA1 or BRCA2 gene mutations”

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Authors
Domchek, S. M.
Affiliations
Abramson Cancer Center (US)
Corresponding author
Domchek, Susan M.
Venue
JAMA
Published
2010-09-01
Volume
304
Issue
9
Pages
967
ISSN
  • 0002-9955 (ISSN-L)
  • 0098-7484
OpenAlex
W2117576401
Cited by
1,494
References
41
Citations by year
2026: 68 · 2025: 67 · 2024: 87 · 2023: 91 · 2022: 61 · 2021: 95 · 2020: 109 · 2019: 120 · 2018: 102 · 2017: 125 · 2016: 116 · 2015: 91 · 2014: 103 · 2013: 80 · 2012: 82
FWCI
46.36
Type
journal article
Language
en
Open access
Locations
  • JAMA (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cancer Research UK (A7357, C5047/A7357)
  • National Institutes of Health (1rc4ca153828-01)
  • U.S. Public Health Service (HHSN21620074400C)
  • National Cancer Institute (R01-CA83855, R01CA083855, RC4-CA153828, N01 CN6700, P30-CA51008-15, R01CA102776, P30-CA16042, P50CA089393, P30CA051008, P30CA016042, P30 CA51008-12)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Epidemiology › Multiple and Secondary Primary Cancers
  • Health Sciences › Medicine › Oncology › Cancer Risks and Factors
Keywords
BRCA1 mutation carriers, BRCA2 mutation carriers, prophylactic surgery, prophylactic mastectomy, salpingo-oophorectomy, breast cancer risk, ovarian cancer risk, cancer-specific mortality, all-cause mortality, risk stratification, risk communication
MeSH terms
Adolescent, Adult, Aged, Breast Neoplasms, Cause of Death, Fallopian Tubes, Female, Genetic Testing, Humans, Mastectomy, Middle Aged, Mutation, Ovarian Neoplasms, Ovariectomy, Prospective Studies, Risk, Genes, BRCA1, Genetic Predisposition to Disease, Genes, BRCA2

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