Preferences for multigene panel testing for hereditary breast cancer risk among ethnically diverse BRCA-uninformative families

被引：11
作者：
Vicuña B. [1 ,2 ,3 ]
Delaney H.D. [2 ]
Flores K.G. [1 ]
Ballinger L. [1 ]
Royce M. [1 ]
Dayao Z. [1 ]
Pal T. [4 ]
Kinney A.Y. [1 ,3 ,5 ]
机构：
[1] Cancer Research Facility, University of New Mexico Comprehensive Cancer Center, University of New Mexico, MSC 07 4025, Albuquerque, 87125, NM
[2] Department of Psychology, University of New Mexico, Albuquerque, NM
[3] Robert Wood Johnson Foundation, Center for Health Policy, University of New Mexico, Albuquerque, NM
[4] Department of Medicine, Vanderbilt University Medical Center/Vanderbilt-Ingram Cancer Center, Nashville, TN
[5] Department of Internal Medicine, University of New Mexico, Albuquerque, NM
来源：
Journal of Community Genetics | 2018年 / 9卷 / 1期
基金：
美国国家卫生研究院;
关键词：
BRCA-uninformative; Family; Hispanic; Interest; Multigene panel testing; Risk communication;
D O I：
10.1007/s12687-017-0322-8
中图分类号：
学科分类号：
摘要：
Until recently, genetic testing for hereditary breast cancer has primarily focused on pathogenic variants in the BRCA1 and BRCA2 (BRCA) genes. However, advances in DNA sequencing technologies have made simultaneous testing for multiple genes possible. We examined correlates of interest in multigene panel testing and risk communication preferences in an ethnically diverse sample of women who tested negative for BRCA mutations previously but remain at high risk based on their family history (referred to as “BRCA-uninformative”) and their at-risk female family members. Two-hundred and thirteen women with a previous breast cancer diagnosis and a BRCA-uninformative test result and their first-degree relatives completed a survey on interest in multigene panel testing, communication preferences, and sociodemographic, psychological, and clinical factors. Stepwise logistic regression was used to identify factors associated with testing interest. Chi-square analyses were used to test differences in risk communication preferences. Interest in multigene panel testing was high (84%) and did not considerably differ by cancer status or ethnicity. In multivariable analysis, factors significantly associated with interest in genetic testing were having had a mammogram in the past 2 years (odds ratio (OR) = 4.04, 95% confidence interval (CI) 1.80–9.02) and high cancer worry (OR = 3.77, 95% CI 1.34–10.60). Overall, the most commonly preferred genetic communication modes were genetic counselors, oncologists, and print materials. However, non-Hispanic women were more likely than Hispanic women to prefer web-based risk communication (p < 0.001). Hispanic and non-Hispanic women from BRCA-uninformative families have a high level of interest in gene panel testing. Cancer-related emotions and communication preferences should be considered in developing targeted genetic risk communication strategies. © 2017, Springer-Verlag GmbH Germany.
引用
收藏
页码：81 / 92
页数：11
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