Impact of t (11;14) on the outcome of autologous hematopoietic cell transplantation (Auto-HCT) in multiple myeloma.
2017
8040 Background: Approximately 15-20% of patients with multiple myeloma (MM) present with t(11;14)(q13;q32) involving IgH and CCND1-XT genes. In this study, we report the impact of the t(11;14) on the outcome of patients with MM. Methods: We performed a retrospective chart review on patients with MM who underwent high-dose chemotherapy followed by auto-HCT at the M.D. Anderson Cancer Center between 2/2000 and 8/2010, and had conventional cytogenetic (CC) or fluorescent in situ hybridization (FISH) results available before transplant. The primary objective was to compare the progression free survival (PFS) and overall survival (OS) of patients with t(11;14) to patients without chromosomal abnormalities. Results: CC or FISH studies were available for 1239 patients: 863 normal, 28 with t(11;14), 348 with other abnormalities. Concurrent high-risk abnormalities on CC or FISH were seen in 15/28 patients with t(11;14): del(13q) in 11 , del(17p) in 3, and t(14;16)(q32;q23) in 1. Induction treatment in patients wi...
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