Cost Analysis of Adjuvant Whole-Brain Radiotherapy Treatment Versus No Whole-Brain Radiotherapy After Stereotactic Radiosurgery and/or Surgery Among Adults with One to Three Melanoma Brain Metastases: Results from a Randomized Trial
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PURPOSE: We aimed to compare Australian health system costs at 12 months for adjuvant whole-brain radiotherapy (WBRT) treatment after stereotactic radiosurgery (SRS) and/or surgery versus observation among adults with one to three melanoma brain metastases. We hypothesized that treatment with adjuvant WBRT and subsequent healthcare would be more expensive than SRS/surgery alone. METHODS: The analysis was conducted alongside a multicentre, randomized phase III trial. A bespoke cost questionnaire was used to measure healthcare use, including hospitalizations, specialist and primary care visits, imaging, and medicines over 12 months. Mean per-patient costs were calculated based on the quantity of resources used and unit costs, reported in Australian dollars ($AU), year 2018 values. Skewness of cost data was determined using normality tests and censor-adjusted costs reported using the Kaplan-Meier sample average method. The analysis of difference in mean costs at each 2-month time point and at 12 months was performed and checked using Kruskal-Wallis, generalized linear models with gamma distribution and log link, modified Park test, ordinary least squares, and non-parametric bootstrapping. RESULTS: In total, 89 patients with similar characteristics at baseline were included in the cost analysis (n = 43 WBRT; n = 46 observation). Hospitalization cost was the main cost, ranging from 63 to 89% of total healthcare costs. The unadjusted 12-monthly cost for WBRT was $AU71,138 ± standard deviation 41,475 and for observation $AU69,848 ± 33,233; p = 0.7426. The censor-adjusted 12-monthly cost for WBRT was $AU90,277 ± 36,274 and $AU82,080 ± 34,411 for observation. There was no significant difference in 2-monthly costs between groups (p > 0.30 for all models). CONCLUSIONS: Most costs were related to inpatient hospitalizations associated with disease recurrence. Adding WBRT after local SRS/surgery for patients with one to three melanoma brain metastases did not significantly increase health system costs during the first 12 months. TRIAL REGISTRATION: ACTRN12607000512426, prospectively registered 14 September 2007.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Cost Analysis of Adjuvant Whole-Brain Radiotherapy Treatment Versus No Whole-Brain Radiotherapy After Stereotactic Radiosurgery and/or Surgery Among Adults with One to Three Melanoma Brain Metastases: Results from a Randomized Trial
- Date Crossref
- 05/05/2022
- Éditeur
- Springer Science and Business Media LLC
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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The University of Sydney Melanoma Institute of Australia pays non établi dans la noticeUniversité ou école supérieure
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UNSW Sydney pays non établi dans la noticeUniversité ou école supérieure
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National Health and Medical Research Council pays non établi dans la noticeOrganisme public
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National Drug and Alcohol Research Centre pays non établi dans la noticeStructure de recherche
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Melanoma Institute Australia pays non établi dans la noticeOrganisation à but non lucratif
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St Vincent's Clinic Genesis Cancer Care pays non établi dans la noticeÉtablissement de santé
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Monash University Melanoma and Skin Cancer Trials pays non établi dans la noticeUniversité ou école supérieure
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Faculty of Medicine and Health NHMRC Clinical Trials Centre pays non établi dans la noticeUniversité ou école supérieure
Melanoma Institute of Australia — The University of Sydney, UNSW Sydney et National Health and Medical Research Council, avec 5 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.