Abstract
Genetic testing of blood relatives of individuals at high risk of dominant conditions has significant preventive health benefits. However, cascade testing uptake is <50%. Research shows increased testing uptake when health professionals (HPs) contact at-risk relatives directly, with patient consent. Despite international support, this is not standard practice in Australia. We aimed to gather perspectives of genetic testing patients about direct-contact methods. Using an online survey, we surveyed Australian adults with genetic results of relevance for relatives, including patients who (i) self-categorised as being directly contacted by a clinical service, (ii) self-categorised as being referred by a HP, and (iii) received genetic results through a research study. Overall, 442 patients responded (clinical n = 363; research n = 79). Clinical patients self-categorised as 49.0% directly-contacted and 51.0% referred. Overall, the majority of patients had no privacy concerns about direct-contact methods (direct-contact 97%; referred 77%; research 76%). Less than 5% of the combined cohort (n = 19/442) reported significant concerns. The most prevalent concerns were the need for consent to provide HPs with relatives’ contact details, and a patient preference to notify relatives before HP contact. Other key findings include preferences about contact methods, including that most patients who received a letter from a genetics service preferred a letter with specific information about the familial genetic condition (n = 141/149; 94.6%) than one with general information about genetic risk. Our findings indicate Australian patients support HPs using direct-contact methods to assist with risk communication to relatives. Findings also identify concerns to be addressed in the design of direct-contact programs.
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Numerous data are made available via supplementary materials. Additional data can be made available on reasonable request.
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Funding
JT is funded by a National Health and Medical Research Council (NHMRC) Investigator Grant (ID 2025900). This work is supported by Australian Genomics, funded by the Australian Government through the NHMRC (GNT2000001 and GNT2035846).
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JT conceived the project, designed the methodology and data collection instruments with EM, MM, NP, MJ, TB, KN and MO, supervised analysis of data and wrote the manuscript. MJ assisted with recruitment and data collection, and critically reviewed the manuscript. MM and NP assisted with recruitment and critically reviewed the manuscript. EM implemented the data collection forms, assisted with data collected and data analysis and contributed to the writing and review of the manuscript. KF assisted with data analysis and writing of portions of the manuscript. TB assisted with recruitment and data collection and critically reviewed the manuscript. KN and MO critically reviewed the manuscript. MO supervised the project.
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The authors declare no competing interests.
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This project was granted approval by the Royal Children’s Hospital Human Research Ethics Committee on 7 November 2022, HREC reference number 79691, and was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki.
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Tiller, J., Finlay, K., Madelli, E.O. et al. Patients’ perspectives regarding health professionals contacting their relatives about genetic risk directly (with patient consent). Eur J Hum Genet 33, 485–495 (2025). https://doi.org/10.1038/s41431-024-01764-y
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DOI: https://doi.org/10.1038/s41431-024-01764-y
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