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  • Title: Pre-treatment serum IL-10 predicts the risk of secondary central nervous system involvement in patients with diffuse large B-cell lymphoma.
    Author: Yi JH, Yoon SE, Ryu KJ, Ko YH, Kim WS, Kim SJ.
    Journal: Cytokine; 2020 May; 129():155048. PubMed ID: 32135464.
    Abstract:
    BACKGROUND: As diffuse large B-cell lymphoma (DLBCL) is a very heterogeneous group of lymphomas, much effort has gone in trying to identify patients with increased risk for early death or secondary central nervous system (CNS) involvement. To better predict their outcomes, we measured the levels of various cytokines in serum samples of patients with DLBCL and analyzed their clinical outcomes. METHODS: We measured the levels of seven serum cytokines at diagnosis in 313 DLBCL patients who were treated with R-CHOP. Their impact on clinical outcomes, including time to secondary CNS involvement and the 3-year overall survival (OS) rate, were analyzed. RESULTS: The median age was 56 years (range, 16-86 years), and 177 patients (57%) were men. Secondary CNS involvement was found in 5.4% (16/294) cases, and time to secondary CNS involvement was significantly short in patients with elevated interleukin (IL)-10 (p = 0.012). With the 3-year OS rate of the whole cohort being 73.6%, serum levels of several cytokines, such as CCL3 > 4.0 pg/mL (54.3% vs. 76.1%, p = 0.001), CCL5 > 450 pg/mL (57.0% vs. 78.1%, p < 0.001), any expression of IL-6 (59.3% vs. 76.6%, p = 0.001), and any expression of IL-10 (68.2% vs. 84.5%, p = 0.001), showed prognostic impact. Higher expressions of these cytokines were associated with worse manifestations of clinical prognostic factors. CONCLUSIONS: Our study revealed that some cytokines impact OS and secondary CNS involvement. Future studies are required to elucidate how these findings can be incorporated to the conventional prognostic factors for more tailored approaches.
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