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Efficacy of high-dose dexamethasone plus low-dose rituximab as a second-line treatment in 65 patients with primary immune thrombocytopenia / 中华血液学杂志
Chinese Journal of Hematology ; (12): 206-209, 2015.
Article in Chinese | WPRIM | ID: wpr-278876
ABSTRACT
<p><b>OBJECTIVE</b>To observe the efficacy of high-dose dexamethasone in combination with low-dose rituximab as a second-line treatment for patients with immune thrombocytopenia (ITP).</p><p><b>METHODS</b>65 patients with ITP, previously by conventional dose of glucocorticoids, received high-dose dexamethasone in combination with low-dose rituximab (dexamethasone 40 mg/d for 4 days, rituximab 100 mg, d 7, 14, 21, 28 intravenous infusion). Treatment response, regulatory T cells (Treg), cytokines levels and treatment-related adverse effects were observed.</p><p><b>RESULTS</b>Total response rate 1 month after treatment was achieved in 81.5% (53/65) of patients, and complete response at 3,6 and 12 months was 72.3% (47/65), 66.2%(43/65), 63.1%(41/65). The higher efficiency and complete response rate was achieved in preexisting glucocorticoid-dependent patients. For patients with complete response, Treg cells continued to show a high level state [(3.01 ± 0.95)% vs (1.69 ± 0.35)%, P=0.032], cytokines of BAFF [(648.03 ± 79.63) ng/L vs (972.35 ± 93.64) ng/L, P=0.001], IL-2 [(2.84 ± 0.32) ng/L vs (4.18 ± 0.46) ng/L, P=0.012], sCD40L[(4.55 ± 0.66) ng/L vs (7.73 ± 1.04) ng/L, P=0.006] significantly lower than that before treatment. The level of IL-10 was increased, but without significance compared with that before treatment (P=0.136). All patients completed the protocol with no serious adverse reactions.</p><p><b>CONCLUSION</b>The data show high-dose dexamethasone in combination with low-dose rituximab still has a satisfactory outcomes for patients previously with conventional dose of glucocorticoid.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Dexamethasone / Cytokines / Purpura, Thrombocytopenic, Idiopathic / T-Lymphocytes, Regulatory / Drug Combinations / Antibodies, Monoclonal, Murine-Derived / Rituximab / Glucocorticoids Type of study: Practice guideline Limits: Humans Language: Chinese Journal: Chinese Journal of Hematology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Dexamethasone / Cytokines / Purpura, Thrombocytopenic, Idiopathic / T-Lymphocytes, Regulatory / Drug Combinations / Antibodies, Monoclonal, Murine-Derived / Rituximab / Glucocorticoids Type of study: Practice guideline Limits: Humans Language: Chinese Journal: Chinese Journal of Hematology Year: 2015 Type: Article