Impact of genetic abnormalities on survival after allogeneic stem cell transplantation in multiple myeloma
Schilling G, Hansen T, Shimoni A, Zabelina T, Simon-Perez JA, Gutierrez NC, Bethge W, Liebisch P, Schwerdtfeger R, Bornhäuser M, Otterstetter S, Penas EM, Dierlamm J, Ayuk F, Atanackovic D, Bacher U, Bokemeyer C, Zander A, Miguel JS, Nagler A, Kröger N.
1Department of Oncology and Hematology, Medical Clinic II, University Hospital
We analyzed the prognostic impact of the most frequent genetic abnormalities detected by fluorescence in situ hybridization in 101 patients with multiple myeloma, who underwent allogeneic hematopoietic stem cell transplantation (HSCT) after melphalan/fludarabine-based reduced conditioning. The incidences of abnormalities in the present analysis were as follows: del(13q14) (61%), t(11;14)(q13;q32) (14%), t(4;14)(p16.3;q32) (19%), MYC-gain gains (8q24) (21%), del(17p13) (16%) and t(14;16)(q32;q23) (5%). None of the patients had t(6;14)(p25;q32). The overall complete remission (CR) rate was 50% with no differences between the genetic abnormalities except for patients with del(17p13) who achieved less CR (7 vs 56%; P=0.001). Univariate analysis revealed a higher relapse rate in patients aged >50 years (P=0.002), patients with