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Article: A population-based study of factors associated with systemic treatment in advanced prostate cancer decedents

TitleA population-based study of factors associated with systemic treatment in advanced prostate cancer decedents
Authors
Keywordsdecedent
life-prolonging therapy
prostate cancer
regional cancer center
Issue Date2023
Citation
Cancer Medicine, 2023, v. 12, n. 5, p. 5569-5579 How to Cite?
AbstractIntroduction: Life-prolonging therapies (LPTs) are rapidly evolving for the treatment of advanced prostate cancer, although factors associated with real-world uptake are not well characterized. Methods: In this cohort of prostate-cancer decedents, we analyzed factors associated with LPT access. Population-level databases from Ontario, Canada identified patients 65 years or older with prostate cancer receiving androgen deprivation therapy and who died of prostate cancer between 2013 and 2017. Univariate and multivariable analyses assessed the association between baseline characteristics and receipt of LPT in the 2 years prior to death. Results: Of 3575 patients who died of prostate cancer, 40.4% (n = 1443) received LPT, which comprised abiraterone (66.3%), docetaxel (50.3%), enzalutamide (17.2%), radium-223 (10.0%), and/or cabazitaxel (3.5%). Use of LPT increased by year of death (2013: 22.7%, 2014: 31.8%, 2015: 41.8%, 2016: 49.1%, and 2017: 57.9%, p < 0.0001), driven by uptake of all agents except docetaxel. Adjusted odds of use were higher for patients seen at Regional Cancer Centers (OR: 1.8, 95% CI: 1.5–2.1) and who received prior prostate-directed therapy (OR: 1.3, 95% CI: 1.0–1.5), but lower with advanced age (≥85: OR: 0.54, 95% CI:0.39–0.75), increased chronic conditions (≥6: OR: 0.62, 95% CI: 0.43–0.92), and long-term care residency (OR: 0.38, 95% CI: 0.17–0.89). Income, stage at presentation, and distance to the cancer center were not associated with LPT uptake. Conclusion: In this cohort of prostate cancer-decedents, real-world uptake of novel prostate cancer therapies occurred at substantially higher rates for patients receiving care at Regional Cancer Centers, reinforcing the potential benefits for treatment access for patients referred to specialist centers.
Persistent Identifierhttp://hdl.handle.net/10722/346963

 

DC FieldValueLanguage
dc.contributor.authorLeigh, Jennifer-
dc.contributor.authorQureshi, Danial-
dc.contributor.authorSucha, Ewa-
dc.contributor.authorMahdavi, Roshanak-
dc.contributor.authorKushnir, Igal-
dc.contributor.authorLavallée, Luke T.-
dc.contributor.authorBosse, Dominick-
dc.contributor.authorWebber, Colleen-
dc.contributor.authorTanuseputro, Peter-
dc.contributor.authorOng, Michael-
dc.date.accessioned2024-09-17T04:14:27Z-
dc.date.available2024-09-17T04:14:27Z-
dc.date.issued2023-
dc.identifier.citationCancer Medicine, 2023, v. 12, n. 5, p. 5569-5579-
dc.identifier.urihttp://hdl.handle.net/10722/346963-
dc.description.abstractIntroduction: Life-prolonging therapies (LPTs) are rapidly evolving for the treatment of advanced prostate cancer, although factors associated with real-world uptake are not well characterized. Methods: In this cohort of prostate-cancer decedents, we analyzed factors associated with LPT access. Population-level databases from Ontario, Canada identified patients 65 years or older with prostate cancer receiving androgen deprivation therapy and who died of prostate cancer between 2013 and 2017. Univariate and multivariable analyses assessed the association between baseline characteristics and receipt of LPT in the 2 years prior to death. Results: Of 3575 patients who died of prostate cancer, 40.4% (n = 1443) received LPT, which comprised abiraterone (66.3%), docetaxel (50.3%), enzalutamide (17.2%), radium-223 (10.0%), and/or cabazitaxel (3.5%). Use of LPT increased by year of death (2013: 22.7%, 2014: 31.8%, 2015: 41.8%, 2016: 49.1%, and 2017: 57.9%, p < 0.0001), driven by uptake of all agents except docetaxel. Adjusted odds of use were higher for patients seen at Regional Cancer Centers (OR: 1.8, 95% CI: 1.5–2.1) and who received prior prostate-directed therapy (OR: 1.3, 95% CI: 1.0–1.5), but lower with advanced age (≥85: OR: 0.54, 95% CI:0.39–0.75), increased chronic conditions (≥6: OR: 0.62, 95% CI: 0.43–0.92), and long-term care residency (OR: 0.38, 95% CI: 0.17–0.89). Income, stage at presentation, and distance to the cancer center were not associated with LPT uptake. Conclusion: In this cohort of prostate cancer-decedents, real-world uptake of novel prostate cancer therapies occurred at substantially higher rates for patients receiving care at Regional Cancer Centers, reinforcing the potential benefits for treatment access for patients referred to specialist centers.-
dc.languageeng-
dc.relation.ispartofCancer Medicine-
dc.subjectdecedent-
dc.subjectlife-prolonging therapy-
dc.subjectprostate cancer-
dc.subjectregional cancer center-
dc.titleA population-based study of factors associated with systemic treatment in advanced prostate cancer decedents-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/cam4.5401-
dc.identifier.pmid36397730-
dc.identifier.scopuseid_2-s2.0-85148372390-
dc.identifier.volume12-
dc.identifier.issue5-
dc.identifier.spage5569-
dc.identifier.epage5579-
dc.identifier.eissn2045-7634-

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