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Last Posted: Apr 18, 2024
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Combined population genomic screening for three high-risk conditions in Australia: a modelling study
P Lacaze et al, e Clin Medicine, November 2023

From the abstract: "This modeling study assessed the impact of offering combined genomic screening for hereditary breast and ovarian cancer, Lynch syndrome and familial hypercholesterolaemia to all young adults in Australia, compared with the current practice of clinical criteria-based testing for each condition separately. Our findings suggest that offering combined genomic screening for high-risk conditions to young adults would be cost-effective in the Australian public healthcare system, at currently realistic testing costs. "

Public attitudes challenge clinical practice on genetic risk disclosure in favour of healthcare-provided direct dissemination to relatives
A Rosen et al, EJHG, July 20, 2023

Germline genetic testing often has implications not only for the individual patient but also for their genetic relatives. This is especially true for high-penetrance pathogenic variants associated with conditions such as familial hypercholesterolemia and hereditary cancer risk syndromes like Lynch syndrome and the hereditary breast and ovarian cancer syndrome. For these conditions, targeted prevention programs are available, and cascade screening is cost-effective. It is therefore highly relevant to find effective strategies to disclose information from the genetic investigation to healthy relatives at risk. Informing relatives at risk enables equitable access to pre-test genetic counselling and a possibility for them to make an informed decision about genetic testing as well as prevention.

The Promise of Population-based Genomic Screening for Selected Hereditary Conditions: Contributions of Cost-Effectiveness Analysis
ND Rao et al, CDC Blog Post, July 14, 2023 Brand

Initial cost-effectiveness research suggests that simultaneous population genomic screening for three CDC Tier 1 genomic applications (hereditary breast and ovarian cancer, Lynch syndrome, and familial hypercholesterolemia) can be cost effective and reduce morbidity and mortality if implemented in adults younger than 40 years old, costs of screening tests are low, and those found carrying a pathogenic variant have access to preventive care.

Summary for Patients: Population Genomic Screening for Three Common Hereditary Conditions.
et al. Ann Intern Med 2023 5 (5) I19

Patients who have certain genetic test results are at higher risk for diseases that may be preventable. There is ongoing debate about whether physicians should screen for 3 hereditary conditions: Lynch syndrome (at greater risk for colon cancer), hereditary breast and ovarian cancer, and familial hypercholesterolemia (at greater risk for early heart disease and stroke). This modeling study found that screening for these 3 hereditary conditions is likely cost-effective in U.S. adults younger than 40 years if the testing cost is relatively inexpensive and people have access to preventive care.

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Disclaimer: Articles listed in the Public Health Genomics and Precision Health Knowledge Base are selected by the CDC Office of Public Health Genomics to provide current awareness of the literature and news. Inclusion in the update does not necessarily represent the views of the Centers for Disease Control and Prevention nor does it imply endorsement of the article's methods or findings. CDC and DHHS assume no responsibility for the factual accuracy of the items presented. The selection, omission, or content of items does not imply any endorsement or other position taken by CDC or DHHS. Opinion, findings and conclusions expressed by the original authors of items included in the update, or persons quoted therein, are strictly their own and are in no way meant to represent the opinion or views of CDC or DHHS. References to publications, news sources, and non-CDC Websites are provided solely for informational purposes and do not imply endorsement by CDC or DHHS.

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