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Gain(1)(q21) is an unfavorable genetic prognostic factor for patients with relapsed multiple myeloma treated with thalidomide but not for those treated with bortezomib

Jan Smetana, Kristina Berankova, Romana Zaoralova, Pavel Nemec, Henrieta Greslikova, Renata Kupska, Aneta Mikulasova, Jan Frohlich, Sabina Sevcikova, Lucie Zahradova, Marta Krejci, Viera Sandecka, Martina Almasi, Petra Kaisarova, Hana...

. 2013 ; 13 (2) : 123-130.

Language English Country United States

Document type Journal Article, Research Support, Non-U.S. Gov't

Grant support
NT11154 MZ0 CEP Register
NT12130 MZ0 CEP Register
NT13190 MZ0 CEP Register
NT13492 MZ0 CEP Register

UNLABELLED: Chromosomal aberrations are important prognostic factors in multiple myeloma diagnosis. We evaluated the effect common high-risk chromosomal aberrations in a cohort of 102 patients with relapsed disease treated with bortezomib or thalidomide. Our results showed that patients treated with thalidomide with a gain(1)(q21) had inferior survival compared with the bortezomib group. Therefore, bortezomib-based regiments are more effective for patients with relapsed multiple myeloma with an incidence of gain in the gain(1)(q21). BACKGROUND: Prognostic impact of specific chromosomal aberrations in patients with relapsed multiple myeloma (MM) treated with the novel agents is briefly described. PATIENTS AND METHODS: We analyzed the prognostic value of an extended panel of chromosomal aberrations [del(13)(q14), del(17)(p13), t(4;14)(p16;q32), gain(1)(q21), and hyperdiploidy] by using the technique of interphase fluorescence in situ hybridization in a cohort of 102 patients with relapsed MM treated with thalidomide- or bortezomib-based protocols. RESULTS: The gain(1)(q21) had a negative impact on overall survival for patients with MM treated with thalidomide (15.7 vs. 41.3 months; P = .004). Moreover, we confirmed the negative impact of the cumulative effect of 2 or more cytogenetic changes that occur simultaneously on the overall survival in the thalidomide group (20.3 months vs. not yet reached; P = .039). We did not find any significant impact of the aberrations studied on overall survival in the bortezomib cohort of patients. CONCLUSION: We conclude that bortezomib-based protocols are able to partially overcome the negative prognostic impact of the tested chromosomal abnormalities in patients with relapsed MM.

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