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dc.contributor.author | Pajares, Bella | |
dc.contributor.author | Pollan-Santamaria, Marina | |
dc.contributor.author | Martín, Miguel | |
dc.contributor.author | Mackey, John R | |
dc.contributor.author | Lluch, Ana | |
dc.contributor.author | Gavila, Joaquín | |
dc.contributor.author | Vogel, Charles | |
dc.contributor.author | Ruiz-Borrego, Manuel | |
dc.contributor.author | Calvo, Lourdes | |
dc.contributor.author | Pienkowski, Tadeusz | |
dc.contributor.author | Rodríguez-Lescure, Álvaro | |
dc.contributor.author | Seguí, Miguel Angel | |
dc.contributor.author | Tredan, Olivier | |
dc.contributor.author | Antón, Antonio | |
dc.contributor.author | Ramos, Manuel | |
dc.contributor.author | Cámara, María del Carmen | |
dc.contributor.author | Rodríguez-Martín, César | |
dc.contributor.author | Carrasco, Eva | |
dc.contributor.author | Alba, Emilio | |
dc.date.accessioned | 2017-09-04T16:26:48Z | |
dc.date.available | 2017-09-04T16:26:48Z | |
dc.date.issued | 2013-11-06 | |
dc.identifier.citation | Breast Cancer Res. 2013; 15(6): R105 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12105/4802 | |
dc.description.abstract | Obesity is an unfavorable prognostic factor in breast cancer (BC) patients regardless of menopausal status and treatment received. However, the association between obesity and survival outcome by pathological subtype requires further clarification. METHODS: We performed a retrospective analysis including 5,683 operable BC patients enrolled in four randomized clinical trials (GEICAM/9906, GEICAM/9805, GEICAM/2003-02, and BCIRG 001) evaluating anthracyclines and taxanes as adjuvant treatments. Our primary aim was to assess the prognostic effect of body mass index (BMI) on disease recurrence, breast cancer mortality (BCM), and overall mortality (OM). A secondary aim was to detect differences of such prognostic effects by subtype. RESULTS: Multivariate survival analyses adjusting for age, tumor size, nodal status, menopausal status, surgery type, histological grade, hormone receptor status, human epidermal growth factor receptor 2 (HER2) status, chemotherapy regimen, and under-treatment showed that obese patients (BMI 30.0 to 34.9) had similar prognoses to that of patients with a BMI < 25 (reference group) in terms of recurrence (Hazard Ratio [HR] = 1.08, 95% Confidence Interval [CI] = 0.90 to 1.30), BCM (HR = 1.02, 0.81 to 1.29), and OM (HR = 0.97, 0.78 to 1.19). Patients with severe obesity (BMI ≥ 35) had a significantly increased risk of recurrence (HR = 1.26, 1.00 to 1.59, P = 0.048), BCM (HR = 1.32, 1.00 to 1.74, P = 0.050), and OM (HR = 1.35, 1.06 to 1.71, P = 0.016) compared to our reference group. The prognostic effect of severe obesity did not vary by subtype. CONCLUSIONS: Severely obese patients treated with anthracyclines and taxanes present a worse prognosis regarding recurrence, BCM, and OM than patients with BMI < 25. The magnitude of the harmful effect of BMI on survival-related outcomes was similar across subtypes. | |
dc.description.sponsorship | This work was supported by the Spanish Breast Cancer Research Group (Grupo Español de Investigación de Cáncer de Mama) (GEICAM). No funding was received for the data analyses or the writing of this manuscript. Clinical trials GEICAM/9805 and BCIRG 001 were funded by Sanofi Aventis. GEICAM/9906 and GEICAM/2003-02 were partially funded by Bristol-Myers Squibb. These funding bodies were not involved in the collection and interpretation of the data or in the decision to publish. EA and MM were also supported by FEDER (RECTICC-RD12/0036/0076). We thank all the participating patients, clinicians, GEICAM and local research staff. We thank Hosanna Soler Vila, PhD, who provided medical writing services on behalf of GEICAM. | |
dc.language.iso | eng | |
dc.publisher | BioMed Central (BMC) | |
dc.type.hasVersion | VoR | |
dc.rights.uri | http://creativecommons.org/licenses/by/2.0/ | * |
dc.title | Obesity and survival in operable breast cancer patients treated with adjuvant anthracyclines and taxanes according to pathological subtypes: a pooled analysis | |
dc.type | journal article | |
dc.rights.license | Atribución 2.0 | * |
dc.identifier.pubmedID | 24192331 | |
dc.format.volume | 15 | |
dc.format.number | 6 | |
dc.format.page | R105 | |
dc.identifier.doi | 10.1186/bcr3572 | |
dc.contributor.funder | Grupo Español de Investigación de Cáncer de Mama | |
dc.contributor.funder | Sanofi | |
dc.contributor.funder | Bristol-Myers Squibb | |
dc.contributor.funder | Unión Europea. Fondo Europeo de Desarrollo Regional (FEDER/ERDF) | |
dc.description.peerreviewed | Sí | |
dc.identifier.e-issn | 1465-542X | |
dc.relation.publisherversion | https://doi.org/10.1186/bcr3572 | |
dc.identifier.journal | Breast Cancer Research | |
dc.repisalud.centro | ISCIII::Centro Nacional de Epidemiología | |
dc.repisalud.institucion | ISCIII | |
dc.rights.accessRights | open access | es_ES |