Journal
INTERNATIONAL JOURNAL OF HEMATOLOGY
Volume 103, Issue 2, Pages 210-218Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s12185-015-1911-0
Keywords
Lymphoma; Bcl-2; Chemotherapy; R-CHOP
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The prognostic significance of Bcl-2, Bcl-6, p53, topoisomerase II, and beta-tubulin expression was evaluated in diffuse large B-cell lymphoma (DLBCL) patients treated with cyclophosphamide, doxorubicin, vincristine, prednisolone, and rituximab. Eight-year progression-free survival (PFS, P = 0.006) and overall survival (OS, P = 0.001) of patients with high Bcl-2 expression were significantly inferior to those of patients with low expression without prognostic significance of Bcl-6, p53, topoisomerase II, and beta-tubulin expression. High expression of Bcl-2 was associated with poor PFS (P = 0.045) and OS (P = 0.004) only in patients with low international prognostic index (IPI). In multivariate analysis, high expression of Bcl-2 was a significant independent prognostic factor of poor PFS (P = 0.026) and OS (P = 0.007) along with high IPI. In conclusion, the expression of Bcl-2 may be a useful prognostic factor, especially in DLBCL patients with low IPI.
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