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The number of tumor infiltrating T-cell subsets in lymph nodes from patients with Hodgkin lymphoma is associated with the outcome after first line ABVD therapy

AuthorsAlonso-Álvarez, Sara; Vidriales, Maria Belén; Caballero, Maria Dolores; Blanco, Óscar; Puig, Noemi; Martín, Alejandro; Peñarrubia, María J.; Zato, Esther; Galende, Josefina; Bárez, Abelardo; Alcoceba, Miguel; Orfao, Alberto ; González, Marcos ; García-Sanz, Ramón
T-cell mediated immunity
Lymphoma and Hodgkin disease
Issue Date2017
PublisherTaylor & Francis
CitationLeukemia and Lymphoma 58(5): 1144-1152 (2017)
AbstractPrognostic factors in Hodgkin lymphoma (HL) still fail to accurately identify high-risk patients. Tumor microenvironment in HL is a current focus of research for risk definition but few studies have focused on infiltrating lymphocytes. Here, we analyzed the number of tumor infiltrating lymphocytes by flow cytometry in diagnostic biopsies from 96 HL homogeneously treated patients with ABVD with or without radiotherapy. Most lymph node cells were lymphocytes (90 ± 17), with a median T/B/NK distribution of 74%/26%/0.7%, and CD4 T-cell predominance. The amount of CD19 B cells, and NK cells did not show association with disease features. However, high numbers of CD8 and CD4 cells were associated with better and poorer outcomes, respectively. Patients with ≥15% cytotoxic CD8 cells among the total cell population had a longer 10-year freedom from treatment failure (FFTF) (93% vs. 73%, p=.04). In turn, cases with ≥75% of CD4 infiltrating cells showed a significantly decreased FFTF (73% vs. 96%, p=.021). Consequently, CD4/CD8 ratio ≥5 associated with a poorer 10-year FFTF (69.5% vs. 94%, p=.02). This deleterious effect was particularly prominent in advanced disease (n = 58, p=.01). In multivariate analysis, a CD4/CD8 ratio ≥5 was the only independent variable to predict for treatment failure (HR = 4.5, 95% confidence interval, 1.2–16.8). In conclusion, our study shows that high CD4 and low CD8 T-cells infiltrates of tumor specimens associate with poor prognosis in HL patients, and CD4/CD8 ratio might be potentially useful for tailoring therapy.
Identifiersdoi: 10.1080/10428194.2016.1239263
e-issn: 1029-2403
issn: 1042-8194
Appears in Collections:(IBMCC) Artículos
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