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Impact of germinal center and non-germinal center phenotypes on overall and failure-free survival after high-dose chemotherapy and auto-SCT in primary diffuse large B-cell lymphoma
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2008 (English)In: Bone Marrow Transplantation, ISSN 0268-3369, Vol. 42, no 2, 93-8 p.Article in journal (Refereed) Published
Abstract [en]

Non-germinal center (non-GC) phenotype is an adverse prognostic factor in chemotherapy (CT)-treated diffuse large B-cell lymphoma (DLBCL) patients. To determine how high-dose therapy (HDT) supported with auto-SCT as first line therapy influences GC-associated outcome in young high-risk DLBCL patients GC and non-GC phenotypes were determined immunohistochemically from 63 patients. Of these, 29 primary high-risk DLBCL patients were treated with auto-SCT, whereas 34 CT-treated patients served as a control group. Consistent with previous studies, non-GC phenotype was associated with adverse outcome in CT-treated high-risk patients. In contrast, immunohistochemical classification by cell of origin did not associate with survival after auto-SCT. When the impact of treatment on the predictive value of cell of origin was analyzed, the non-GC patients, who received HDT, had a better failure-free survival (FFS) and overall survival (OS) than the patients treated with CT alone. In multivariate analyses, both age-adjusted International Prognostic Index (aaIPI) and treatment were independent prognostic factors for FFS and OS. For the patients with GC phenotype, the influence of auto-SCT on survival was not significant. The data imply that auto-SCT can overcome the adverse prognostic impact of the non-GC phenotype in patients with high-risk DLBCL and warrant additional prospective studies.

Place, publisher, year, edition, pages
2008. Vol. 42, no 2, 93-8 p.
Keyword [en]
DLBCL, HDT and auto-SCT, GC-phenotype, prognosis
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-105433DOI: 10.1038/bmt.2008.92ISI: 000257881300003PubMedID: 18391989OAI: oai:DiVA.org:uu-105433DiVA: diva2:221217
Available from: 2009-06-03 Created: 2009-06-03 Last updated: 2009-06-18Bibliographically approved

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