Title: Criteria for defining a complete remission in acute myeloid leukaemia revisited. An analysis of patients treated in HOVON-SAKK co-operative group studies
Authors: de Greef, Georgine E ×
van Putten, Wim L J
Boogaerts, Marc
Huijgens, Peter C
Verdonck, Leo F
Vellenga, Edo
Theobald, Matthias
Jacky, Emanuel
Löwenberg, Bob #
Issue Date: Jan-2005
Series Title: British Journal of Haematology vol:128 issue:2 pages:184-191
Abstract: Complete remission (CR) in patients with acute myeloid leukaemia (AML) is the primary endpoint for the evaluation of induction treatment and treatment strategies. However, the choice and application of the criteria for a haematological CR can often become a subject of debate because of regeneration more than 5% blasts may be present at the time of response evaluation; platelet and neutrophil recovery may be incomplete and marrow cellularity can vary. This study examined the individual parameters for CR in 1250 adult patients with de novo AML treated according to three successive study protocols. Patients with < or =5% blasts showed the best overall survival (OS) and the lowest relapse risk (RR). This was independent of blast cells present in the peripheral blood or bone marrow (BM) cellularity. In the same patient group, the presence of extramedullary leukaemia, incomplete platelet (<100 x 10(9)/l) or neutrophil (<1.0 x 10(9)/l) recovery caused a reduced OS and increased RR. In conclusion, < or =5% blasts in the BM, recovery of neutrophils and platelets, and the absence of extramedullary disease constitute the cornerstones for the definition of a haematological CR in patients with AML.
ISSN: 0007-1048
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hematology Section (-)
× corresponding author
# (joint) last author

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