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Published in: Annals of Hematology 5/2006

01-05-2006 | Original Article

MTHFR 677 (C→T) polymorphism is not relevant for prognosis or therapy-associated toxicity in pediatric NHL: results from 484 patients of multicenter trial NHL-BFM 95

Authors: Kathrin Seidemann, Marion Book, Martin Zimmermann, Ulrike Meyer, Karl Welte, Martin Stanulla, Alfred Reiter

Published in: Annals of Hematology | Issue 5/2006

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Abstract

We analyzed the relationship of genetic variation within the methylenetetrahydrofolate reductase gene (MTHFR 677 C→T) with clinical characteristics, outcome, and therapy-related toxicity in pediatric non-Hodgkin’s lymphoma (NHL) in our multicenter trial NHL-BFM 95. In this trial, high-dose methotrexate (MTX) infusion regimens were randomized (4- vs 24-h infusion) in patients with B-cell lymphoma; MTX was applied as 24-h infusion in all patients with lymphoblastic lymphoma and anaplastic large cell lymphoma. Toxicity data were collected per patient and therapy course according to National Cancer Institute Common Toxicity Criteria (NCI-CTC). The genotypes in 484 pediatric patients were distributed as follows: MTHFR 677 CC, 206 patients (42.6%); MTHFR 677 CT, 214 patients (44.2%); and MTHFR 677 TT, 64 patients (13.2%). Lymphoblastic lymphoma was significantly associated with homozygosity for the MTHFR 677 T allele. No association of MTHFR 677 genotype with clinical characteristics (sex, age, and tumor stage), outcome, or therapy-related toxicity could be detected. Therefore, we conclude that the MTHFR 677 C→T polymorphism does not appear to influence outcome or therapy-associated toxicity in pediatric patients with NHL treated on BFM protocols.
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Metadata
Title
MTHFR 677 (C→T) polymorphism is not relevant for prognosis or therapy-associated toxicity in pediatric NHL: results from 484 patients of multicenter trial NHL-BFM 95
Authors
Kathrin Seidemann
Marion Book
Martin Zimmermann
Ulrike Meyer
Karl Welte
Martin Stanulla
Alfred Reiter
Publication date
01-05-2006
Publisher
Springer-Verlag
Published in
Annals of Hematology / Issue 5/2006
Print ISSN: 0939-5555
Electronic ISSN: 1432-0584
DOI
https://doi.org/10.1007/s00277-005-0072-2

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