Abstract:
:In multiple myeloma, cytogenetic changes are important predictors of patient outcome. In this setting, the most important changes are deletion 17p, del(17p), and translocation of chromosomes 4 and 14, t(4;14), conferring a poor outcome. However, a certain degree of heterogeneity is observed in the survival of these high-risk patients. We hypothesized that other chromosomal changes may impact the outcome. We retrospectively analyzed a large series of 242 patients displaying either t(4;14) (157 patients) or del(17p) (110 patients), 25 patients presenting both abnormalities, using single nucleotide polymorphism array. In patients with t(4;14), del(1p32), del22q, and >30 chromosomal structural changes negatively impacted progression-free survival (PFS). For overall survival (OS), del(13q14), del(1p32), and the number of chromosomal structural changes worsened the prognosis of patients. For patients with del(17p), del6q worsened the prognosis of patients, whereas trisomy 15 and monosomy 14 were found to have a protective effect on PFS. For OS, del(1p32) worsened the prognosis of patients, whereas having >8 numerical changes was found to have a protective effect on survival. This study, which is the largest series of high-risk patients analyzed with the most modern genomic technique, identified 1 main factor negatively impacting survival: del(1p32).
journal_name
Bloodjournal_title
Bloodauthors
Hebraud B,Magrangeas F,Cleynen A,Lauwers-Cances V,Chretien ML,Hulin C,Leleu X,Yon E,Marit G,Karlin L,Roussel M,Stoppa AM,Belhadj K,Voillat L,Garderet L,Macro M,Caillot D,Mohty M,Facon T,Moreau P,Attal M,Munshi Ndoi
10.1182/blood-2014-07-587964subject
Has Abstractpub_date
2015-03-26 00:00:00pages
2095-100issue
13eissn
0006-4971issn
1528-0020pii
blood-2014-07-587964journal_volume
125pub_type
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