Abstract:
:Rituximab induces B-cell depletion; therefore, it has been used in the treatment of immune thrombocytopenic purpura (ITP). The aim of this retrospective study was to evaluate the effectiveness of rituximab in the treatment of 89 patients with chronic ITP refractory to several treatments. All the patients had platelet counts <30 x 10(9)/l. They had received a median of five (2-13) previous treatments, and 47 had undergone splenectomy. Rituximab was administered i.v. at 375 mg/m(2) in four weekly doses in 77 patients, and 12 patients received 1-6 doses. Forty-nine patients (55.1%) reached platelet counts >50 x 10(9)/l; 41 (46%) achieved a complete response (CR; platelets >100 x 10(9)/l), and eight (9%) obtained a partial response (platelets 50-100 x 10(9)/l). Overall, 31 patients (35%) maintained response, including 15 patients in whom splenectomy failed, with a median follow-up of 9 months (2-42), 12 for more than 1 year. The unique predictor of a maintained response was to reach a CR. Heavily treated patients (more than three different previous treatments, including any corticosteroids) and those with longer ITP duration (>10 years from diagnosis) had a worse response. Non-splenectomized patients had a better early response rate than those splenectomized. Rituximab was well tolerated, with two fever episodes following infusion and two reports of skin rash. Rituximab induced clinical responses in multi-treated refractory ITP patients with little toxicity and should be considered as an early therapeutic option in this setting, even as an alternative to splenectomy in selected patients.
journal_name
Ann Hematoljournal_title
Annals of hematologyauthors
Peñalver FJ,Jiménez-Yuste V,Almagro M,Alvarez-Larrán A,Rodríguez L,Casado M,Gallur L,Giraldo P,Hernández R,Menor D,Rodríguez MJ,Caballero D,González R,Mayans J,Millán I,Cabrera JR,Multi-institutional Retrospective Spanishdoi
10.1007/s00277-005-0073-1subject
Has Abstractpub_date
2006-06-01 00:00:00pages
400-6issue
6eissn
0939-5555issn
1432-0584journal_volume
85pub_type
杂志文章abstract::Fusion proteins encoded by several types of chromosomal translocations in promyelocytic leukemia can serve as aberrant transcriptional repressors relying on recruitment of histonedeacetylases (HDACs) into DNA-associated multi-protein complexes. Thus, inappropriate modulation of chromatin structure by HDACs and subsequ...
journal_title:Annals of hematology
pub_type: 杂志文章,评审
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abstract::An acute leukemia with an unusual immunophenotype developed in a 17-year-old girl. At the initial presentation, extramedullary involvement was not evident, but with advancing disease, massive splenomegaly and an osteolytic rib tumor developed. The disease was aggressive and refractory to intensive chemotherapeutic reg...
journal_title:Annals of hematology
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doi:10.1007/s002770050472
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journal_title:Annals of hematology
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2002-01-01 00:00:00
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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更新日期:1998-02-01 00:00:00
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journal_title:Annals of hematology
pub_type: 杂志文章,多中心研究
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journal_title:Annals of hematology
pub_type: 临床试验,杂志文章,多中心研究
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journal_title:Annals of hematology
pub_type: 杂志文章
doi:10.1007/BF01703140
更新日期:1991-05-01 00:00:00
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journal_title:Annals of hematology
pub_type: 临床试验,杂志文章
doi:10.1007/s00277-019-03775-y
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journal_title:Annals of hematology
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doi:10.1007/s00277-003-0709-y
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journal_title:Annals of hematology
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00277-016-2638-6
更新日期:2016-05-01 00:00:00
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journal_title:Annals of hematology
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00277-019-03871-z
更新日期:2020-01-01 00:00:00
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
pub_type: 杂志文章,meta分析,评审
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
pub_type: 杂志文章
doi:10.1007/BF01701737
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abstract::Although cytopenia is a common manifestation of myelodysplastic syndrome (MDS), isolated thrombocytopenia is rare. The term "refractory thrombocytopenia" (RTC) has been proposed as a counterpart of refractory anemia. We describe here a case of RTC associated with chromosome abnormality on 11q23. A 59-year-old man was ...
journal_title:Annals of hematology
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