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Human disease: non-Hodgkin lymphoma2
Circulating levels of TNF receptor II are prognostic for patients with peripheral T-cell non-Hodgkin lymphoma.
GLA - German Lymphoma Alliance

Abstract (Expand)

PURPOSE: Peripheral T-cell non-Hodgkin lymphomas (T-NHL) represent a small but heterogeneous and clinically aggressive subset of NHLs with a poor outcome. Cytokines or their receptors might be associated … with the clinical outcome of these lymphomas. Therefore, we tested whether gene variations and serum levels of soluble TNF receptor (TNFR)I (sTNFRI), sTNFRII, interleukin (IL)-10, or sIL-4R are predictive for treatment response in T-NHLs. EXPERIMENTAL DESIGN: Peripheral blood DNA from 117 patients with T-NHL treated in prospective clinical trials was subjected to genotyping analysis. Whenever possible, pretreatment sera were obtained, and circulating levels of sTNFRI, sTNFRII, IL-10, and sIL-4R were determined with a specific capture enzyme-linked immunoassay. RESULTS: Patients characterized by TNFRI-609GG (rs4149570) showed a trend toward better event free survival [EFS; univariate: P = 0.041; multivariate: HR, 1.76; confidence interval (CI), 0.99-3.14 with P = 0.056]. A protective role of IL-10-1087A, -824T, and -597A reported in another study was not confirmed in our cohort. Patients with circulating levels of soluble TNFRII >/=2.16 ng/mL had a 2.07-fold increased relative risk for shorter overall survival (OS; univariate: P = 0.0034; multivariate: HR, 2.07; CI, 0.92-4.70 with P = 0.081) and a 2.49-fold higher risk for shorter EFS (univariate: P = 0.00068; multivariate: HR, 2.49; CI, 1.22-5.08 with P = 0.012). Elevations of circulating levels of sTNFRI, IL-10, and sIL-4R are frequent, but the clinical response in these patients is not significantly different. CONCLUSIONS: Our findings suggest a critical role for TNF-TNFR signaling for the clinical outcome of patients with peripheral T-NHLs.

Authors: C. Heemann, M. Kreuz, I. Stoller, N. Schoof, F. von Bonin, M. Ziepert, M. Loffler, W. Jung, M. Pfreundschuh, L. Trumper, D. Kube

Date Published: 1st Jul 2012

Publication Type: Not specified

Human Diseases: non-Hodgkin lymphoma

Prognostic factors for hematotoxicity of chemotherapy in aggressive non-Hodgkin's lymphoma.
GLA - German Lymphoma Alliance

Abstract (Expand)

BACKGROUND: Little is known on the heterogeneity of hematotoxicity in patients receiving multicycle chemotherapy. PATIENTS AND METHODS: We analyzed data of 1399 patients with aggressive lymphoma from … trials using CHOP (combination chemotherapy with cyclophosphamide, doxorubicin, vincristine and prednisone)-like therapies. Multivariate modeling was carried out for leukocytopenia, thrombocytopenia and anemia and the models were validated by two large independent datasets from trials with/without usage of the CD20-antibody rituximab. RESULTS: On the basis of these models, we are able to predict the remarkable heterogeneity of hematotoxicity and propose to use risk groups. Regarding leukocytopenia, the low toxicity risk group experienced World Health Organization grade 4 in <10% of the cycles while the high toxicity risk group in almost all cycles. For thrombocytopenia, groups were detectable with almost no grade 3 or 4 toxicity and others where two out of three cycles were affected. In a separate set of models, the first cycle toxicity was the strongest predictor for later hematotoxicity. The risk for leukocytopenia was associated with infections, antibiotic use, hospitalization and treatment-related mortality, indicating the clinical usefulness of the models. For the first time, a Web-based tool is made available to easily predict the hematotoxicity in clinical practice (www.toxcalculator.com). CONCLUSION: This analysis has implications for patient management and prophylaxis.

Authors: M. Ziepert, R. Schmits, L. Trumper, M. Pfreundschuh, M. Loeffler

Date Published: 1st Dec 2007

Publication Type: Not specified

Human Diseases: non-Hodgkin lymphoma

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