期刊
CLINICAL GENETICS
卷 102, 期 1, 页码 30-39出版社
WILEY
DOI: 10.1111/cge.14147
关键词
BOADICEA; breast cancer risk estimates; genetic-specific psychosocial difficulties; risk communication; self-confidence
资金
- European Union Horizon 2020 research and innovation programme [634935]
Counseling for familial breast cancer focuses on communicating gene test results, but risk prediction models have become more complex by including non-genetic risk factors and polygenic risk scores. This study found that genetic clinicians appear confident with comprehensive risk models, which seem to only affect perceptions of older counselees.
Counseling for familial breast cancer focuses on communicating the gene test result (GENE) to counselees, but risk prediction models have become more complex by including non-genetic risk factors (NGRF) and polygenic risk scores (PRS). We examined genetic clinicians' confidence in counseling and counselees' psychosocial outcomes, using the BOADICEA risk prediction tool with different categories of risk factors as input. A prospective observational study in Dutch, French and German genetic clinics was performed including 22 clinicians, and 406 of 460 (88.3%) eligible cancer-unaffected women at high breast cancer risk assessed at pre-test and 350 (76.1%) at post-test. We performed multilevel analyses accounting for the clinician, and counselees' characteristics. Overall, risk estimates category by GENE versus GENE+ NGRF, or GENE+NGRF+PRS differed in 11% and 25% of counselees, respectively. In multilevel analyses, clinicians felt less confident in counseling when the full model provided lower breast cancer risks than GENE (i.e., in 8% of cases). Older counselees expressed higher breast cancer risk perception and worries about the hereditary predisposition when the full model provided higher breast cancer risks than GENE only. Genetic clinicians appear confident with breast cancer risk comprehensive models, which seem only to affect perceptions of older counselees.
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