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Characterization and prognostic features of secondary acute myeloid leukemia in a population-based setting: A report from the Swedish Acute Leukemia Registry
Sahlgrens Univ Hosp, Dept Med, Gothenburg, Sweden.;Sahlgrens Univ Hosp, Reg Tumor Registry, Gothenburg, Sweden..
Karolinska Univ Hosp, Hematol Ctr, Huddinge Stockholm & Reg Tumor Registry, Stockholm, Sweden..ORCID iD: 0000-0003-0695-0050
Skane Univ Hosp, Dept Hematol, Lund, Sweden.;Skane Univ Hosp, Reg Tumor Registry, Lund, Sweden.;Lund Univ, Lund, Sweden.;Linkoping Univ Hosp, Swedish Acute Myeloid Leukemia Grp, S-58185 Linkoping, Sweden..
Sahlgrens Univ Hosp, Dept Med, Gothenburg, Sweden.;Sahlgrens Univ Hosp, Reg Tumor Registry, Gothenburg, Sweden.;Linkoping Univ Hosp, Swedish Acute Myeloid Leukemia Grp, S-58185 Linkoping, Sweden..
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2015 (English)In: American Journal of Hematology, ISSN 0361-8609, E-ISSN 1096-8652, Vol. 90, no 3, 208-214 p.Article in journal (Refereed) Published
Abstract [en]

Patients with secondary acute myeloid leukemia (AML) often escape inclusion in clinical trials and thus, population-based studies are crucial for its accurate characterization. In this first large population-based study on secondary AML, we studied AML with an antecedent hematological disease (AHD-AML) or therapy-related AML (t-AML) in the population-based Swedish Acute Leukemia Registry. The study included 3,363 adult patients of which 2,474 (73.6%) had de novo AML, 630 (18.7%) AHD-AML, and 259 (7.7%) t-AML. Secondary AML differed significantly compared to de novo AML with respect to age, gender, and cytogenetic risk. Complete remission (CR) rates were significantly lower but early death rates similar in secondary AML. In a multivariable analysis, AHD-AML (HR 1.51; 95% CI 1.26-1.79) and t-AML (1.72; 1.38-2.15) were independent risk factors for poor survival. The negative impact of AHD-AML and t-AML on survival was highly age dependent with a considerable impact in younger patients, but without independent prognostic value in the elderly. Although patients with secondary leukemia did poorly with intensive treatment, early death rates and survival were significantly worse with palliative treatment. We conclude that secondary AML in a population-based setting has a striking impact on survival in younger AML patients, whereas it lacks prognostic value among the elderly patients. Am. J. Hematol. 90:208-214, 2015.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2015. Vol. 90, no 3, 208-214 p.
National Category
Hematology
Identifiers
URN: urn:nbn:se:oru:diva-56446DOI: 10.1002/ajh.23908ISI: 000349889300014PubMedID: 25421221ScopusID: 2-s2.0-84923114820OAI: oai:DiVA.org:oru-56446DiVA: diva2:1082380
Funder
Swedish Cancer Society
Note

Funding Agency:

Stockholm County Council

Available from: 2017-03-16 Created: 2017-03-16 Last updated: 2017-03-16Bibliographically approved

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