AR-V7 as a biomarker for resistance to treatment with abiraterone/enzalutamide in three Latin American countries: a hypothetical cost-saving analysis

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dc.contributor.authorPacheco Orozco, Rafael Adrián
dc.contributor.authorMontealegre Paez, Ana Lorena
dc.contributor.authorCayol, Federico
dc.contributor.authorMartínez Gregorio, Héctor
dc.contributor.authorOliver, Javier
dc.contributor.authorFrecha, Cecilia
dc.contributor.authorVaca Paniagua, Felipe
dc.contributor.authorPerdomo Lara, Sandra Janneth
dc.contributor.orcidPerdomo Lara, Sandra Janneth [0000-0002-4429-3760]
dc.date.accessioned2020-09-02T22:25:02Z
dc.date.available2020-09-02T22:25:02Z
dc.description.abstractenglishBackground Prostate cancer is the most incident and one of the deadliest male cancers in Latin America. Treatment for patients with metastatic castration‐resistant prostate cancer (mCRPC) includes androgen receptor signaling inhibitors such as abiraterone and enzalutamide, for which androgen receptor splice variant 7 (AR‐V7) has emerged as a biomarker for primary resistance. Our study sought to analyze the potential economic impact of the use of AR‐V7 detection as a treatment indicator in patients with mCRPC in three Latin American countries. Materials and Methods A hypothetical cost prediction model for the use of noninvasive circulating tumor cell–based AR‐V7 testing as a treatment indicator for patients eligible for treatment with abiraterone/enzalutamide was conducted using available information on treatment and testing costs from Mexico, Argentina, and Colombia. Results At an estimated prevalence of AR‐V7 positivity of 20%, the use of upfront AR‐V7 genetic testing resulted in annual net savings of $9,801,669.97, $6,390,055.75, and $3,096,780.91 in Mexico, Argentina, and Colombia, respectively. A direct relationship between AR‐V7 positivity prevalence and net savings was found. Conclusion The use of a noninvasive AR‐V7 detection assay as a treatment indicator tool in patients eligible for treatment with abiraterone or enzalutamide in Latin America could be a cost‐effective approach for the management of these patients. Additional efforts are needed to accurately determine the incidence of castration‐resistant prostate cancer cases and the prevalence of AR‐V7 positivity in Latin America in order to predict the potential economic benefit of its clinical use. Implications for Practice In Latin America, prostate cancer is the most frequently diagnosed cancer in men, and the burden of this disease is expected to double in this region by 2030. Noninvasive detection of androgen receptor splice variant 7 (AR‐V7) is being currently validated as a predictive biomarker for benefit with androgen receptor signaling inhibitor therapy in patients with metastatic castration‐resistant prostate cancer (mCRPC). This hypothetical cost‐saving analysis shows that AR‐V7 testing in peripheral blood of patients with CRPC eligible for treatment with abiraterone or enzalutamide might represent a cost‐effective strategy to select patients who will benefit from AR‐axis–directed treatment in three Latin American countries.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1634/theoncologist.2020-0043
dc.identifier.instnameinstname:Universidad El Bosquespa
dc.identifier.issn1549-490X
dc.identifier.reponamereponame:Repositorio Institucional Universidad El Bosquespa
dc.identifier.repourlhttps://repositorio.unbosque.edu.co
dc.identifier.urihttps://hdl.handle.net/20.500.12495/3934
dc.language.isoeng
dc.publisherAlphaMed Press Incspa
dc.publisher.journalOncologistspa
dc.relation.ispartofseriesOncologist, 1549-490X, 2020spa
dc.relation.urihttps://theoncologist.onlinelibrary.wiley.com/doi/full/10.1634/theoncologist.2020-0043
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.accessrightshttps://purl.org/coar/access_right/c_abf2
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.accessrightsAcceso abierto
dc.rights.creativecommons2020-07-28
dc.rights.localAcceso abiertospa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subject.keywordsAndrogen receptor antagonistsspa
dc.subject.keywordsBiomarkersspa
dc.subject.keywordsCost savingsspa
dc.subject.keywordsNeoplasm drug resistancespa
dc.subject.keywordsProstatic neoplasmsspa
dc.subject.keywordsTherapeuticsspa
dc.titleAR-V7 as a biomarker for resistance to treatment with abiraterone/enzalutamide in three Latin American countries: a hypothetical cost-saving analysisspa
dc.title.translatedAR-V7 as a biomarker for resistance to treatment with abiraterone/enzalutamide in three Latin American countries: a hypothetical cost-saving analysisspa
dc.type.coarhttps://purl.org/coar/resource_type/c_6501
dc.type.driverinfo:eu-repo/semantics/article
dc.type.hasversioninfo:eu-repo/semantics/publishedVersion
dc.type.localArtículo de revista

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