Abstract
Rituximab may be used to treat patients with thrombotic thrombocytopenic purpura (TTP) refractory to plasma exchange or recurrent disease. While initial response rates are reported to be high, long-term follow-up data of patients treated with rituximab are not available to date, however important to estimate the safety and benefit of this treatment. Twelve patients with non-familial idiopathic TTP refractory to plasma exchange or with recurrent disease treated with rituximab between 2000 and 2008 were reexamined. The median follow-up was 49.6 months, ranging from 11 to 97 months. All patients achieved initial complete remission after application of rituximab. During follow-up, nine patients remained disease-free and three patients suffered from recurrent disease. All patients with recurrent disease responded to subsequent rituximab therapy. No long-term side effects were noted during the follow-up period. In conclusion, rituximab represents an effective second-line treatment option in relapsing or refractory TTP. Still, patients need to be closely monitored for relapses with extended follow-up.
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JMC recruited the patients and wrote the paper, JU recruited the patients, and MH discussed the results. CS wrote the paper and takes the main responsibility for the paper. The authors reported no potential conflicts of interest.
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Chemnitz, J.M., Uener, J., Hallek, M. et al. Long-term follow-up of idiopathic thrombotic thrombocytopenic purpura treated with rituximab. Ann Hematol 89, 1029–1033 (2010). https://doi.org/10.1007/s00277-010-0968-3
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DOI: https://doi.org/10.1007/s00277-010-0968-3