Differential impact of IDH1/2 mutational subclasses on outcome in adult AML : results from a large multicenter study

© 2022 by The American Society of Hematology. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0), permitting only noncommercial, nonderivative use with attribution. All other rights reserved..

Mutations of the isocitrate dehydrogenase-1 (IDH1) and IDH2 genes are among the most frequent alterations in acute myeloid leukemia (AML) and can be found in ∼20% of patients at diagnosis. Among 4930 patients (median age, 56 years; interquartile range, 45-66) with newly diagnosed, intensively treated AML, we identified IDH1 mutations in 423 (8.6%) and IDH2 mutations in 575 (11.7%). Overall, there were no differences in response rates or survival for patients with mutations in IDH1 or IDH2 compared with patients without mutated IDH1/2. However, distinct clinical and comutational phenotypes of the most common subtypes of IDH1/2 mutations could be associated with differences in outcome. IDH1-R132C was associated with increased age, lower white blood cell (WBC) count, less frequent comutation of NPM1 and FLT3 internal tandem mutation (ITD) as well as with lower rate of complete remission and a trend toward reduced overall survival (OS) compared with other IDH1 mutation variants and wild-type (WT) IDH1/2. In our analysis, IDH2-R172K was associated with significantly lower WBC count, more karyotype abnormalities, and less frequent comutations of NPM1 and/or FLT3-ITD. Among patients within the European LeukemiaNet 2017 intermediate- and adverse-risk groups, relapse-free survival and OS were significantly better for those with IDH2-R172K compared with WT IDH, providing evidence that AML with IDH2-R172K could be a distinct entity with a specific comutation pattern and favorable outcome. In summary, the presented data from a large cohort of patients with IDH1/2 mutated AML indicate novel and clinically relevant findings for the most common IDH mutation subtypes.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:6

Enthalten in:

Blood advances - 6(2022), 5 vom: 08. März, Seite 1394-1405

Sprache:

Englisch

Beteiligte Personen:

Middeke, Jan M [VerfasserIn]
Metzeler, Klaus H [VerfasserIn]
Röllig, Christoph [VerfasserIn]
Krämer, Michael [VerfasserIn]
Eckardt, Jan-Niklas [VerfasserIn]
Stasik, Sebastian [VerfasserIn]
Greif, Philipp A [VerfasserIn]
Spiekermann, Karsten [VerfasserIn]
Rothenberg-Thurley, Maja [VerfasserIn]
Krug, Utz [VerfasserIn]
Braess, Jan [VerfasserIn]
Krämer, Alwin [VerfasserIn]
Hochhaus, Andreas [VerfasserIn]
Brümmendorf, Tim H [VerfasserIn]
Naumann, Ralph [VerfasserIn]
Steffen, Björn [VerfasserIn]
Einsele, Hermann [VerfasserIn]
Schaich, Markus [VerfasserIn]
Burchert, Andreas [VerfasserIn]
Neubauer, Andreas [VerfasserIn]
Görlich, Dennis [VerfasserIn]
Sauerland, Cristina [VerfasserIn]
Schäfer-Eckart, Kerstin [VerfasserIn]
Schliemann, Christoph [VerfasserIn]
Krause, Stefan W [VerfasserIn]
Hänel, Mathias [VerfasserIn]
Frickhofen, Norbert [VerfasserIn]
Noppeney, Richard [VerfasserIn]
Kaiser, Ulrich [VerfasserIn]
Kaufmann, Martin [VerfasserIn]
Kunadt, Desiree [VerfasserIn]
Wörmann, Bernhard [VerfasserIn]
Sockel, Katja [VerfasserIn]
von Bonin, Malte [VerfasserIn]
Herold, Tobias [VerfasserIn]
Müller-Tidow, Carsten [VerfasserIn]
Platzbecker, Uwe [VerfasserIn]
Berdel, Wolfgang E [VerfasserIn]
Serve, Hubert [VerfasserIn]
Baldus, Claudia D [VerfasserIn]
Ehninger, Gerhard [VerfasserIn]
Schetelig, Johannes [VerfasserIn]
Hiddemann, Wolfgang [VerfasserIn]
Bornhäuser, Martin [VerfasserIn]
Stölzel, Friedrich [VerfasserIn]
Thiede, Christian [VerfasserIn]

Links:

Volltext

Themen:

117896-08-9
EC 1.1.1.41
EC 1.1.1.42.
IDH1 protein, human
IDH2 protein, human
Isocitrate Dehydrogenase
Journal Article
Multicenter Study
Nucleophosmin

Anmerkungen:

Date Completed 26.04.2022

Date Revised 12.08.2022

published: Print

Citation Status MEDLINE

doi:

10.1182/bloodadvances.2021004934

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM333315855