Pulsed high-dose dexamethasone therapy in children with chronic idiopathic thrombocytopenic purpura

被引:23
作者
Chen, JS
Wu, JM
Chen, YJ
Yeh, TF
机构
[1] Department of Pediatrics, Natl. Cheng Kung University Hospital, Tainan
[2] Department of Pediatrics, Natl. Cheng Kung University Hospital, Tainan 704
关键词
chronic idiopathic thrombocytopenia purpura; dexamethasone; pulsed therapy;
D O I
10.1097/00043426-199711000-00007
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Purpose: The effectiveness of pulsed high-dose oral dexamethasone therapy in children with refractory chronic idiopathic thrombocytopenic purpura (ITP) is evaluated. Patients and Methods: Seven children (5 to 16 years old) who were refractory to 2 to 5 conventional standard therapies were included in the study. Dexamethasone was administered orally at a dosage of 40 mg/m(2) per day (maximum 40 mg/day) for 4 consecutive days as a cycle. The cycle was repeated once a month for 6 months. Results: One month after the first cycle, partial responses of platelet counts (greater than or equal to 50x10(9)/L and <150x10(9)/L) were observed in three patients (43%). At the end of the sixth cycle, two patients (29%) had complete responses (>150x10(9)/L) and one had a partial response. However, only one patient (14%) remained partially responsive 1 year after completion of therapy. Conclusions: In contrast to what was observed in adults, this preliminary study suggests that pulsed high-dose oral dexamethasone therapy was not uniformly effective in children with chronic ITP.
引用
收藏
页码:526 / 529
页数:4
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