Molecular response to treatment redefines all prognostic factors in children and adolescents with B-cell precursor acute lymphoblastic leukemia : results in 3184 patients of the AIEOP-BFM ALL 2000 study / Valentino Conter, Claus R. Bartram, Maria Grazia Valsecchi, André Schrauder, Renate Panzer-Grümayer, Anja Möricke, Maurizio Aricò, Martin Zimmermann, Georg Mann, Giulio De Rossi, Martin Stanulla, Franco Locatelli, Giuseppe Basso, Felix Niggli, Elena Barisone, Günter Henze, Wolf-Dieter Ludwig, Oskar A. Haas, Giovanni Cazzaniga, Rolf Koehler, Daniela Silvestri, Jutta Bradtke, Rosanna Parasole, Rita Beier, Jacques J.M. van Dongen, Andrea Biondi, and Martin Schrappe

The Associazione Italiana di Ematologia Oncologia Pediatrica and the Berlin-Frankfurt-Münster Acute Lymphoblastic Leukemia (AIEOP-BFM ALL 2000) study has for the first time introduced standardized quantitative assessment of minimal residual disease (MRD) based on immunoglobulin and T-cell receptor gene rearrangements as polymerase chain reaction targets (PCR-MRD), at 2 time points (TPs), to stratify patients in a large prospective study. Patients with precursor B (pB) ALL (n = 3184) were considered MRD standard risk (MRD-SR) if MRD was already negative at day 33 (analyzed by 2 markers, with a sensitivity of at least 10(-4)); MRD high risk (MRD-HR) if 10(-3) or more at day 78 and MRD intermediate risk (MRD-IR): others. MRD-SR patients were 42% (1348): 5-year event-free survival (EFS, standard error) is 92.3% (0.9). Fifty-two percent (1647) were MRD-IR: EFS 77.6% (1.3). Six percent of patients (189) were MRD-HR: EFS 50.1% (4.1; P < .001). PCR-MRD discriminated prognosis even on top of white blood cell count, age, early response to prednisone, and genotype. MRD response detected by sensitive quantitative PCR at 2 predefined TPs is highly predictive for relapse in childhood pB-ALL. The study is registered at http://clinicaltrials.gov: NCT00430118 for BFM and NCT00613457 for AIEOP..

Medienart:

E-Artikel

Erscheinungsjahr:

14 December 2020

2010

Erschienen:

14 December 2020

Enthalten in:

Zur Gesamtaufnahme - volume:115

Enthalten in:

Blood - 115(2010), 16, Seite 3206-3214

Sprache:

Englisch

Beteiligte Personen:

Conter, Valentino [VerfasserIn]
Bartram, Claus R., 1952- [VerfasserIn]
Valsecchi, Maria Grazia [VerfasserIn]
Schrauder, André [VerfasserIn]
Panzer-Grümayer, Renate [VerfasserIn]
Möricke, Anja [VerfasserIn]
Aricò, Maurizio [VerfasserIn]
Zimmermann, Martin [VerfasserIn]
Mann, Georg [VerfasserIn]
De Rossi, Giulio [VerfasserIn]
Stanulla, Martin [VerfasserIn]
Locatelli, Franco [VerfasserIn]
Basso, Giuseppe [VerfasserIn]
Niggli, Felix [VerfasserIn]
Barisone, Elena [VerfasserIn]
Henze, Günter [VerfasserIn]
Ludwig, Wolf-Dieter [VerfasserIn]
Haas, Oskar A. [VerfasserIn]
Cazzaniga, Giovanni [VerfasserIn]
Köhler, Rolf, 1966- [VerfasserIn]
Silvestri, Daniela [VerfasserIn]
Bradtke, Jutta [VerfasserIn]
Parasole, Rosanna [VerfasserIn]
Beier, Rita [VerfasserIn]
van Dongen, Jacques J. M. [VerfasserIn]
Biondi, Andrea [VerfasserIn]
Schrappe, Martin [VerfasserIn]

Links:

Volltext [lizenzpflichtig]

Themen:

Adolescent
Antineoplastic Combined Chemotherapy Protocols
Biomarkers, Tumor
Child
Child, Preschool
Disease-Free Survival
Gene Rearrangement, B-Lymphocyte
Gene Rearrangement, T-Lymphocyte
Humans
Infant
Kaplan-Meier Estimate
Neoplasm, Residual
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Prognosis
Receptors, Antigen, B-Cell
Receptors, Antigen, T-Cell
Remission Induction
Reverse Transcriptase Polymerase Chain Reaction
Treatment Outcome

Anmerkungen:

Gesehen am 06.06.2023

Umfang:

9

doi:

10.1182/blood-2009-10-248146

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

1847529275