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Title: | A cost-effectiveness analysis of multigene testing for all patients with breast cancer. | Authors: | Sadique Z.;Duffy S.;Cuzick J.;Dos Santos Silva I.;Miners A.;Yang L.;Legood R.;Manchanda R.;Sun L.;Brentnall A.;Patel S.;Buist D.S.M.;Bowles E.J.A.;Evans D.G.R.;Eccles D.;Hopper J.;Li S.;Southey M. | Monash Health Department(s): | Monash University - School of Clinical Sciences at Monash Health | Institution: | (Sun, Patel, Miners, Sadique, Legood) Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London, United Kingdom (Manchanda, Sun, Patel) Wolfson Institute of Preventive Medicine, Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, United Kingdom (Manchanda, Brentnall, Duffy, Cuzick) Centre for Cancer Prevention, Wolfson Institute of Preventive Medicine, Queen Mary University of London, London, United Kingdom (Buist, Bowles) Kaiser Permanente Washington Health Research Institute, Seattle, WA, United States (Evans) Genomic Medicine, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom (Eccles) Cancer Sciences Academic Unit, Faculty of Medicine and Cancer Sciences, University of Southampton, Southampton, United Kingdom (Hopper, Li) Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia (Southey) Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Australia (Southey) Department of Clinical Pathology, Melbourne Medical School, Melbourne University, Melbourne, Australia (Southey) Cancer Epidemiology Division, Cancer Council Victoria, VIC, Australia (Dos Santos Silva) Department of Noncommunicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom (Yang) School of Public Health, Peking University, Beijing, China (Manchanda) Department of Gynaecological Oncology, Barts Health National Health System Trust, Royal London Hospital, London, United Kingdom (Manchanda) MRC (Medical Research Counsel) Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, University College London, London, United Kingdom | Issue Date: | 9-Jan-2020 | Copyright year: | 2019 | Publisher: | American Medical Association (E-mail: smcleod@itsa.ucsf.edu) | Place of publication: | United States | Publication information: | JAMA Oncology. 5 (12) (pp 1718-1730), 2019. Date of Publication: December 2019. | Journal: | JAMA Oncology | Abstract: | Importance: Moving to multigene testing for all women with breast cancer (BC) could identify many more mutation carriers who can benefit from precision prevention. However, the cost-effectiveness of this approach remains unaddressed. Objective(s): To estimate incremental lifetime effects, costs, and cost-effectiveness of multigene testing of all patients with BC compared with the current practice of genetic testing (BRCA) based on family history (FH) or clinical criteria. Design, Setting, and Participant(s): This cost-effectiveness microsimulation modeling study compared lifetime costs and effects of high-risk BRCA1/BRCA2/PALB2 (multigene) testing of all unselected patients with BC (strategy A) with BRCA1/BRCA2 testing based on FH or clinical criteria (strategy B) in United Kingdom (UK) and US populations. Data were obtained from 11836 patients in population-based BC cohorts (regardless of FH) recruited to 4 large research studies. Data were collected and analyzed from January 1, 2018, through June 8, 2019. The time horizon is lifetime. Payer and societal perspectives are presented. Probabilistic and 1-way sensitivity analyses evaluate model uncertainty. Intervention(s): In strategy A, all women with BC underwent BRCA1/BRCA2/PALB2 testing. In strategy B, only women with BC fulfilling FH or clinical criteria underwent BRCA testing. Affected BRCA/PALB2 carriers could undertake contralateral preventive mastectomy; BRCA carriers could choose risk-reducing salpingo-oophorectomy (RRSO). Relatives of mutation carriers underwent cascade testing. Unaffected relative carriers could undergo magnetic resonance imaging or mammography screening, chemoprevention, or risk-reducing mastectomy for BC risk and RRSO for ovarian cancer (OC) risk. Main Outcomes and Measures: Incremental cost-effectiveness ratio (ICER) was calculated as incremental cost per quality-Adjusted life-year (QALY) gained and compared with standard 30 000/QALY and $100000/QALY UK and US thresholds, respectively. Incidence of OC, BC, excess deaths due to heart disease, and the overall population effects were estimated. Result(s): BRCA1/BRCA2/PALB2 multigene testing for all patients detected with BC annually would cost 10 464/QALY (payer perspective) or 7216/QALY (societal perspective) in the United Kingdom or $65661/QALY (payer perspective) or $61618/QALY (societal perspective) in the United States compared with current BRCA testing based on clinical criteria or FH. This is well below UK and US cost-effectiveness thresholds. In probabilistic sensitivity analysis, unselected multigene testing remained cost-effective for 98% to 99% of UK and 64% to 68% of US health system simulations. One year's unselected multigene testing could prevent 2101 cases of BC and OC and 633 deaths in the United Kingdom and 9733 cases of BC and OC and 2406 deaths in the United States. Correspondingly, 8 excess deaths due to heart disease occurred in the United Kingdom and 35 in the United States annually. Conclusions and Relevance: This study found unselected, high-risk multigene testing for all patients with BC to be extremely cost-effective compared with testing based on FH or clinical criteria for UK and US health systems. These findings support changing current policy to expand genetic testing to all women with BC.Copyright © 2019 American Medical Association. All rights reserved. | DOI: | http://monash.idm.oclc.org/login?url=http://acs.hcn.com.au/?acc=36265&url=http://dx.doi.org/10.1001/jamaoncol.2019.3323 | PubMed URL: | 31580391 [http://www.ncbi.nlm.nih.gov/pubmed/?term=31580391] | ISSN: | 2374-2437 | URI: | https://repository.monashhealth.org/monashhealthjspui/handle/1/35435 | Type: | Article | Subjects: | *breast cancer/su [Surgery] cancer classification cancer mortality cancer prevention *cost effectiveness analysis family history female gene mutation *genetic screening health care cost health care system heart disease human major clinical study ovary cancer/pc [Prevention] ovary cancer/su [Surgery] prophylactic mastectomy quality adjusted life year risk reduction salpingooophorectomy sensitivity analysis United Kingdom United States partner and localizer of BRCA2/ec [Endogenous Compound] *multigene testing PALB2 gene tumor suppressor gene adult aged article *breast cancer/dm [Disease Management] *breast cancer/pc [Prevention] breast cancer cancer classification cancer family history gene mutation genetic screening health care cost health care system heart disease ovary cancer prophylactic mastectomy quality adjusted life year risk reduction salpingooophorectomy United Kingdom United States partner and localizer of BRCA2 multigene testing PALB2 gene tumor suppressor gene aged breast cancer/dm [Disease Management] breast cancer female gene mutation *genetic screening health care cost health care system heart disease human major clinical study ovary cancer / prevention / surgery prophylactic mastectomy quality adjusted life year risk reduction salpingooophorectomy sensitivity analysis tumor suppressor gene United Kingdom United States cancer mortality cancer classification *breast cancer / *disease management / *prevention / *surgery Article aged adult cancer prevention *cost effectiveness analysis family history |
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