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Effectiveness of azacitidine in unselected high-risk myelodysplastic syndromes: Results from the Spanish registry

dc.contributor.authorBernal T.
dc.contributor.authorMartínez-Camblor P.
dc.contributor.authorSánchez-García J.
dc.contributor.authorDe Paz R.
dc.contributor.authorLuño E.
dc.contributor.authorNomdedeu B.
dc.contributor.authorArdanaz M.T.
dc.contributor.authorPedro C.
dc.contributor.authorAmigo M.L.
dc.contributor.authorXicoy B.
dc.contributor.authorDel Cañizo C.
dc.contributor.authorTormo M.
dc.contributor.authorBargay J.
dc.contributor.authorValcárcel D.
dc.contributor.authorBrunet S.
dc.contributor.authorBenlloch L.
dc.contributor.authorSanz G.
dc.contributor.authorOn behalf of The Spanish Group on Myelodysplastic Syndromes and PETHEMA Foundation
dc.contributor.authorSpanish Society of Hematology
dc.date.accessioned2020-09-02T22:13:07Z
dc.date.available2020-09-02T22:13:07Z
dc.date.issued2015
dc.identifier10.1038/leu.2015.115
dc.identifier.citation29, 9, 1875-1881
dc.identifier.issn08876924
dc.identifier.urihttps://hdl.handle.net/20.500.12728/3738
dc.descriptionThe benefit of azacitidine treatment in survival of high-risk myelodysplastic syndromes (MDS) patients compared with conventional care treatment (CCT) has not been established outside clinical trials. To assess its effectiveness, we compared overall survival (OS) between azacitidine and conventional treatment (CCT) in high-risk MDS patients, excluding those undergoing stem cell transplantation, submitted to the Spanish MDS registry from 2000 to 2013. Several Cox regression and competing risk models, considering azacitidine as a time-dependent covariate, were used to assess survival and acute myeloblastic leukemia (AML) progression. Among 821 patients included, 251 received azacitidine. Median survival was 13.4 (11.8-16) months for azacitidine-treated patients and 12.2 (11-14.1) for patients under CCT (P=0.41). In a multivariate model, age, International prognostic scoring system and lactate dehydrogenase were predictors of OS whereas azacitidine was not (adjusted odds ratio 1.08, 95% confidence interval 0.86-1.35, P=0.49). However, in patients with chromosome 7 abnormalities, a trend toward a better survival was observed in azacitidine-treated patients (median survival 13.3 (11-18) months) compared with CCT (median survival 8.6 (5-10.4) months, P=0.08). In conclusion, our data show that, in spite of a widespread use of azacitidine, there is a lack of improvement in survival over the years. Identification of predicting factors of response and survival is mandatory. © 2015 Macmillan Publishers Limited All rights reserved.
dc.language.isoen
dc.publisherNature Publishing Group
dc.titleEffectiveness of azacitidine in unselected high-risk myelodysplastic syndromes: Results from the Spanish registry
dc.typeArticle


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