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2014-06-24

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/122083

Chronic lymphocytic leukemia in the elderly: clinico-biological features, outcomes, and proposal of a prognostic model.

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https://doi.org/10.3324/haematol.2014.107326

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We investigated the clinico-biological features, outcomes, and prognosis of 949 patients with chronic lymphocytic leukemia according to age. No biological differences (cytogenetics by fluorescent in situ hybridization, IGHV, ZAP-70, CD38, NOTCH1, SF3B1) were found across age groups. Elderly patients (>70 years; n=367) presented more frequently with advanced disease (Binet C/Rai III-IV: 10/12% versus 5/5%; P<0.001), were treated less frequently (23.8% versus 41.9% at 3 years; P<0.001) and in most cases did not receive highly effective regimens and thus had a lower overall response rate (49% with 14% having complete responses versus 69% with 31% having complete responses; P<0.001). The elderly patients also had a shorter overall survival (6.6 versus 13.3 years; P<0.001) and higher disease-unrelated mortality (34.9% versus 6.9% at 10 years; P<0.001). However, disease-attributable mortality was not significantly different between younger and older patients. A combination of Binet stage, ZAP-70 level, β2-microglobulin concentration and comorbidity identified two risk groups (low-risk: 0-1 parameters; high-risk: 2-4 parameters) with different overall survivals (median: 6.8 versus 11.4 years, P<0.001). In patients requiring treatment, comorbidity at treatment (Cumulative Illness Rating Scale-T>4; hazard ratio 2.2, P<0.001) and response (treatment failure versus response: hazard ratio 1.60, P<0.04) were the most important prognostic factors for overall survival. In conclusion, in our series, elderly patients with chronic lymphocytic leukemia did not present with any biological features distinct from those of younger patients, but did have a poorer clinical outcome. This study highlights the importance of comprehensive medical care, achieving response to therapy, and specific management strategies for elderly patients with chronic lymphocytic leukemia.

Matèries

Leucèmia limfocítica crònica, Comorbiditat, Estudi de casos

Matèries (anglès)

Chronic lymphocytic leukemia, Comorbidity, Case studies

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Articles publicats en revistes (Medicina)

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BAUMANN, Tycho, DELGADO, Julio (delgado gonzález), SANTACRUZ, Rodrigo, MARTÍNEZ TRILLOS, Alejandra, ROYO MORENO, Cristina, NAVARRO LÓPEZ, Alba, PINYOL, Magda, ROZMAN, María, PEREIRA SAAVEDRA, Arturo, VILLAMOR I CASAS, Neus, AYMERICH GREGORIO, Marta, LÓPEZ ALCALÁ, Cristina, CARRIÓ, Ana, MONTSERRAT COSTA, Emilio. Chronic lymphocytic leukemia in the elderly: clinico-biological features, outcomes, and proposal of a prognostic model.. _Haematologica_. 2014. Vol. 99, núm. 10, pàgs. 1599-15604. [consulta: 21 de gener de 2026]. ISSN: 0390-6078. [Disponible a: https://hdl.handle.net/2445/122083]

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