Incidence and risk factors of central nervous system relapse in histologically aggressive non-Hodgkin's lymphoma uniformly treated and receiving intrathecal central nervous system prophylaxis: A GELA study on 974 patients

Haioun, C.;Besson, C;Lepage, E.;Thieblemont, C;Reyes, F.;et.al.
(2000) Annals of Oncology — Vol. 11, n° 6, p. 685-690 (2000)

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  • Haioun, C.
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  • Besson, C
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  • Lepage, E.
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  • Thieblemont, C
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  • Reyes, F.
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Abstract
Background: Incidence of central nervous system (CNS) recurrence in patients with aggressive non-Hodgkin's lymphoma who did not receive meningeal prophylaxis is about 5%. Controversy remains regarding risk factors associated with such an event preventing a rational approach of prophylactic strategies. Patients and methods: We analyzed a cohort of 974 patients with aggressive lymphoma in complete remission (CR). All the patients received a CNS prophylaxis consisting of intrathecal injections and intravenous high-dose methotrexate. The risk repartition on the basis of the international prognostic index (IPI) of these 974 CR-patients was low (L): 41%, low-intermediate (LI): 27%, high-intermediate (HI): 19%, high (H): 13%. Results: The incidence of isolated CNS relapse was 1.6%. In a first multivariate logistic regression analysis an increased LDH (P= 0.05, RR = 5) and the presence of more than one extranodal site (P= 0.05, RR = 3) were identified as independent risk factors for isolated CNS relapse. Another multivariate analysis incorporating IPI as a unique parameter showed that only IPI remained significantly associated with a higher risk of CNS relapse (L-LI: 0.6% vs. HI-H: 4.1%, P = 0.002; RR = 7). Conclusion: Prophylaxis notably reduces the risk of CNS recurrence in the higher risk patients. By contrast, we propose the deletion of prophylactic intrathecal injections in the lower risk patients.
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Haioun, C., Besson, C., Lepage, E., Thieblemont, C., Simon, D., Rose, C., Tilly, H., Sonet, A., Lederlin, P., Attal, M., Briere, J., & Reyes, F. (2000). Incidence and risk factors of central nervous system relapse in histologically aggressive non-Hodgkin’s lymphoma uniformly treated and receiving intrathecal central nervous system prophylaxis: A GELA study on 974 patients. Annals of Oncology, 11(6), 685-690. https://doi.org/10.1023/A:1008394827806 (Original work published 2000)