Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action

Pathogenic variants in breast cancer predisposition genes are associated with poor clinical outcomes but also offer an opportunity for more individualized therapeutic pathways. Given increasing knowledge, improvements in germline genetic testing efficiency, and the availability of novel systemic tar...

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Main Authors: Evan Weber, Carlos A. Carmona-Gonzalez, Melanie Boucher, Andrea Eisen, Kara Laing, Jennifer Melvin, Kasmintan A. Schrader, Sandeep Sehdev, Stephanie M. Wong, Karen A. Gelmon
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Current Oncology
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Online Access:https://www.mdpi.com/1718-7729/32/6/290
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author Evan Weber
Carlos A. Carmona-Gonzalez
Melanie Boucher
Andrea Eisen
Kara Laing
Jennifer Melvin
Kasmintan A. Schrader
Sandeep Sehdev
Stephanie M. Wong
Karen A. Gelmon
author_facet Evan Weber
Carlos A. Carmona-Gonzalez
Melanie Boucher
Andrea Eisen
Kara Laing
Jennifer Melvin
Kasmintan A. Schrader
Sandeep Sehdev
Stephanie M. Wong
Karen A. Gelmon
author_sort Evan Weber
collection DOAJ
description Pathogenic variants in breast cancer predisposition genes are associated with poor clinical outcomes but also offer an opportunity for more individualized therapeutic pathways. Given increasing knowledge, improvements in germline genetic testing efficiency, and the availability of novel systemic targeted treatment options, the importance of appropriately identifying patients for testing has never been greater. A pan-Canadian expert working group (EWG) consisting of 10 healthcare professionals (HCPs) was convened to review recent international guidelines for germline genetic testing in breast cancer and develop Canadian recommendations. The group identified four clinical questions to address which patients should undergo testing, what approaches should be used, how patients should be counselled, and what steps are needed for implementation. In response to these questions, the EWG agreed upon 12 recommendations that emphasized broader incorporation of germline genetic testing and more standardized, streamlined testing and counselling approaches. The group also offered multiple suggestions to support effective and equitable implementation across Canada. These recommendations provide guidance for HCPs and represent a call to action for the Canadian government and other organizations to support genetic testing pathways, drug access, and ultimately improved outcomes for patients with breast cancer and their families.
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spelling doaj-art-9ecdbd7f51a0480c805ff08ec61c41cd2025-06-25T13:41:23ZengMDPI AGCurrent Oncology1198-00521718-77292025-05-0132629010.3390/curroncol32060290Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to ActionEvan Weber0Carlos A. Carmona-Gonzalez1Melanie Boucher2Andrea Eisen3Kara Laing4Jennifer Melvin5Kasmintan A. Schrader6Sandeep Sehdev7Stephanie M. Wong8Karen A. Gelmon9Division of Medical Genetics, Department of Specialized Medicine, McGill University Health Centre, Montréal, QC H4A 3J1, CanadaDivision of Medical Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, ON M4N 3M5, CanadaDepartment of Oncology, Division of Medical Oncology, PEI Cancer Treatment Centre, Charlottetown, PE C1A 8T5, CanadaDepartment of Medicine, Division of Medical Oncology, University of Toronto, Toronto, ON M4N 3M5, CanadaCancer Care Program, NL Health Services, St. John’s, NL A1B 3V6, CanadaDepartment of Medicine, Division of Medical Oncology, Nova Scotia Health, Halifax, NS B3H 2Y9, CanadaHereditary Cancer Program, BC Cancer, Vancouver, BC V5Z 4E6, CanadaDepartment of Medicine, Division of Medical Oncology, The Ottawa Hospital Cancer Centre, Ottawa, ON K1H 1C4, CanadaJewish General Hospital, Stroll Cancer Prevention Centre, McGill University, Montréal, QC H3T 1E2, CanadaDepartment of Medical Oncology, BC Cancer, Vancouver, BC V5Z 4E6, CanadaPathogenic variants in breast cancer predisposition genes are associated with poor clinical outcomes but also offer an opportunity for more individualized therapeutic pathways. Given increasing knowledge, improvements in germline genetic testing efficiency, and the availability of novel systemic targeted treatment options, the importance of appropriately identifying patients for testing has never been greater. A pan-Canadian expert working group (EWG) consisting of 10 healthcare professionals (HCPs) was convened to review recent international guidelines for germline genetic testing in breast cancer and develop Canadian recommendations. The group identified four clinical questions to address which patients should undergo testing, what approaches should be used, how patients should be counselled, and what steps are needed for implementation. In response to these questions, the EWG agreed upon 12 recommendations that emphasized broader incorporation of germline genetic testing and more standardized, streamlined testing and counselling approaches. The group also offered multiple suggestions to support effective and equitable implementation across Canada. These recommendations provide guidance for HCPs and represent a call to action for the Canadian government and other organizations to support genetic testing pathways, drug access, and ultimately improved outcomes for patients with breast cancer and their families.https://www.mdpi.com/1718-7729/32/6/290breast cancergermline genetic testingCanadarecommendationsmainstreaming<i>BRCA1</i>
spellingShingle Evan Weber
Carlos A. Carmona-Gonzalez
Melanie Boucher
Andrea Eisen
Kara Laing
Jennifer Melvin
Kasmintan A. Schrader
Sandeep Sehdev
Stephanie M. Wong
Karen A. Gelmon
Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
Current Oncology
breast cancer
germline genetic testing
Canada
recommendations
mainstreaming
<i>BRCA1</i>
title Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
title_full Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
title_fullStr Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
title_full_unstemmed Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
title_short Canadian Recommendations for Germline Genetic Testing of Patients with Breast Cancer: A Call to Action
title_sort canadian recommendations for germline genetic testing of patients with breast cancer a call to action
topic breast cancer
germline genetic testing
Canada
recommendations
mainstreaming
<i>BRCA1</i>
url https://www.mdpi.com/1718-7729/32/6/290
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