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  • Title: Long-term analysis of the IFM 99 trials for myeloma: cytogenetic abnormalities [t(4;14), del(17p), 1q gains] play a major role in defining long-term survival.
    Author: Avet-Loiseau H, Attal M, Campion L, Caillot D, Hulin C, Marit G, Stoppa AM, Voillat L, Wetterwald M, Pegourie B, Voog E, Tiab M, Banos A, Jaubert J, Bouscary D, Macro M, Kolb B, Traulle C, Mathiot C, Magrangeas F, Minvielle S, Facon T, Moreau P.
    Journal: J Clin Oncol; 2012 Jun 01; 30(16):1949-52. PubMed ID: 22547600.
    Abstract:
    PURPOSE: In multiple myeloma, many prognostic parameters have been proposed. However, all of these predict shorter survival. To identify patients with a longer life expectancy, we updated the data of patients treated in the IFM (Intergroupe Francophone du Myelome) 99-02 and 99-04 trials. PATIENTS AND METHODS: A series of 520 patients was analyzed. Median follow-up was 90.5 months. To perform a comprehensive analysis of the major prognostic factors, we reanalyzed all patients for 1q gains [in addition to updating del(13), t(4;14), and del(17p) analyses]. RESULTS: It was possible to identify a subgroup of patients (representing 20% of total patients) with an 8-year survival of 75%. These patients were defined by the absence of t(4;14), del(17p), and 1q gain and β(2)-microglobulin less than 5.5 mg/L. CONCLUSION: We propose that all patients with newly diagnosed multiple myeloma be evaluated for these three chromosomal changes, not only to define high-risk patients but also to identify those with a longer life expectancy.
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