Traitement du purpura thrombopénique immunologique : étude rétrospective de 40 patients

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ID: 272087
2010
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Abstract
Immune thrombocytopenia (ITP) is an auto-immune disease associating a peripheral platelet destruction without increased central production. Forty patients with chronic ITP were retrospectively analyzed for clinical and biological presentation and response to treatment. Mean age at diagnosis was 54 years. ITP was revealed by hemorrhage in 65 % of the patients. Despite very low platelet count, no life threatening hemorrhage was observed. Platelet associated antibodies were found in 66 %, usually directed against GPIIb/IIIa. Corticosteroids were used as first line treatment, with response in 54 %, and relapse in 86 %. A response was observed in 42.1 % with dapsone, which was well tolerated, a relapse occurring in 37.5 % of the patients. Rituximab (RTX) allowed a response rate of 42.1 %, prolonged in 40 % of the patients. A response was achieved in 42.9 % cases after splenectomy, without any relapse. No factor was identified to predict the response to treatment. ITP is a rare disorder occurring most frequently in middle aged patients. Because of high relapse or no response rates, many treatments should be used. Dapsone offers a good efficacy without major side effects. RTX is well tolerated and allows a good response rate. The use of new agents like thrombopoietin receptor agonist or new therapeutics against B lymphocytes should be defined.
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Authors Sylvain Audia,D. Lakomy,J. Guy,V. Leguy-Seguin,S. Berthier,S. Aho,B. Lorcerie,Bernard Bonnotte;Sylvain Audia;D. Lakomy;J. Guy;V. Leguy-Seguin;S. Berthier;S. Aho;B. Lorcerie;Bernard Bonnotte;
Journal la revue de medecine interne
Year 2010
DOI 10.1016/j.revmed.2009.11.008
URL
https://sciprofiles.com/publication/view/4f26d5faeb542cdb0253d3a76f9fabaa##
Keywords
efficacy treatment itp relapse hemorrhage antibodies platelet good rtx tolerated

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