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Implementing gene curation for hereditary cancer susceptibility in Australia: achieving consensus on genes with clinical utility
  1. Emma Tudini1,2,
  2. Aimee L Davidson1,3,
  3. Uwe Dressel2,3,
  4. Lesley Andrews4,5,
  5. Yoland Antill6,
  6. Ashley Crook7,
  7. Michael Field7,
  8. Michael Gattas8,
  9. Rebecca Harris9,
  10. Judy Kirk9,10,
  11. Nicholas Pachter11,12,
  12. Lucinda Salmon13,
  13. Rachel Susman14,
  14. Sharron Townshend11,
  15. Alison H Trainer15,16,
  16. Katherine M Tucker4,5,
  17. Gillian Mitchell15,17,
  18. Paul A James15,17,
  19. Robyn L Ward3,18,
  20. Helen Mar Fan3,14,
  21. Nicola K Poplawski19,20,
  22. Amanda B Spurdle1
  1. 1Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
  2. 2Australian Genomics Health Alliance, Melbourne, Victoria, Australia
  3. 3Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia
  4. 4Hereditary Cancer Clinic, Prince of Wales Hospital, Randwick, New South Wales, Australia
  5. 5Prince of Wales Medical School, University of New South Wales, Randwick, New South Wales, Australia
  6. 6Cabrini Family Cancer Clinic, Cabrini Hospital, Malvern, Victoria, Australia
  7. 7Familial Cancer Service, Royal North Shore Hospital, St Leonards, New South Wales, Australia
  8. 8Brisbane Genetics, Nicholson St Specialist Centre, Greenslopes, Queensland, Australia
  9. 9Familial Cancer Service, Crown Princess Mary Cancer Centre, Westmead Hospital, Westmead, New South Wales, Australia
  10. 10Sydney Medical School, University of Sydney, Centre for Cancer Research, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
  11. 11Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, Western Australia, Australia
  12. 12Faculty of Health and Medical Sciences, University of Western Australia, Perth, Western Australia, Australia
  13. 13Department of Clinical Genetics, Austin Health, Melbourne, Victoria, Australia
  14. 14Genetic Health Queensland, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
  15. 15Parkville Familial Cancer Centre, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
  16. 16Department of Medicine, University of Melbourne, Melbourne, Victoria, Australia
  17. 17Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
  18. 18Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
  19. 19Adult Genetics Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
  20. 20School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia
  1. Correspondence to Dr Amanda B Spurdle, Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; amanda.spurdle{at}qimrberghofer.edu.au

Abstract

Background The strength of evidence supporting the validity of gene-disease relationships is variable. Hereditary cancer has the additional complexity of low or moderate penetrance for some confirmed disease-associated alleles.

Methods To promote national consistency in interpretation of hereditary cancer/tumour gene test results, we requested opinions of representatives from Australian Family Cancer Clinics regarding the clinical utility of 157 genes initially collated for a national research project. Viewpoints were sought by initial survey, face-to-face workshop and follow-up survey. Subsequent review was undertaken by the eviQ Cancer Genetics Reference Committee, a national resource providing evidence-based and consensus-driven cancer treatment protocols.

Results Genes were categorised by clinical actionability as: relevant for testing on presentation of common cancer/tumour types (n=45); relevant for testing in the context of specific rare phenotypes (n=74); insufficient clinical utility (n=34) or contentious clinical utility (n=3). Opinions for several genes altered during the study time frame, due to new information.

Conclusion Through an iterative process, consensus was achieved on genes with clinical utility for hereditary cancer/tumour conditions in the Australian setting. This study highlighted need for regular review of gene-disease lists, a role assumed in Australia for hereditary cancer/tumour predisposition genes by the eviQ Cancer Genetics Reference Committee.

  • genetic testing
  • clinical decision-making
  • genetic counseling
  • genetic predisposition to disease
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Footnotes

  • HMF, NKP and ABS are joint senior authors.

  • Contributors ABS, ET, HMF, NKP and NP planned the study and drafted the initial survey. ABS, ET, HMF and NKP organised the workshop, drafted the follow-up survey and analysed the results of both surveys. HMF organised and discussed findings at the eviQ Cancer Genetics Reference Committee. ABS, ET, HMF and NKP drafted the manuscript. All authors have provided critical review of the manuscript.

  • Funding Australian Genomics Health Alliance is funded by the National Health and Medical Research Council’s Targeted Call for Research into Preparing Australia for the Genomics Revolution in Health Care (NHMRC grant 1113531) and the Medical Research Future Fund, including support for ET and UD. ABS was supported by a NHMRC Senior Research Fellowship (ID 1061778). ALD is supported by an Australian Government Research Training Program (RTP) Scholarship and a QIMR Berghofer Higher Degree Committee PhD Top Up Scholarship.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Ethics approval Ethical approval for this study was provided by the Melbourne Health Human Research Ethics Committee (HREC/16/MH/251).

  • Provenance and peer review Not commissioned; externally peer reviewed.

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