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Eltrombopag as second line treatment in patients with primary immune thrombocytopenia: A single center real life
Angelo Gardellini1, Francesca Guidotti1, Maddalena Feltri2
1Division of Hematology, Department of Medicine, Valduce Hospital, Como, Italy.
Glucocorticoid treatment is the standard initial therapy for patients with immune thrombocytopenia (ITP). Despite a rate of 60-80% of initial remissions, only 30 to 50% of adults have a sustained response after discontinuation. Second line options are splenectomy, thrombopoietin-receptor agonists (TPO-RAs), rituximab and intravenous immunoglobulin. Third line treatments include a mix of immunosuppressive drugs (e.g. azathioprine, ciclosporin, etc.). Recently international guidelines have proposed a treatment algorithm formalizing TPO-RAs and splenectomy as second and third line respectively, confirming splenectomy as second line choice only in emergency. Here we present a single center observational retrospective study of eltrombopag as second line treatment. We evaluated 48 adult primary chronic ITP patients since 2003. Forty-four out of 48 patients received a first line treatment with glucocorticoids. Twenty-two (61%) patients needed a second line treatment: 18 received eltrombopag, 3 a second course of steroid and one patient underwent splenectomy. Every patient before starting eltrombopag or receiving splenectomy underwent bone marrow examination. Overall response rate to eltrombopag was 94% with a CR rate of 76% and a PR of 23%; only one patient was non responder, underwent splenectomy and received subsequent treatment with rituximab, romiplostim and cyclosporin obtaining CR. One patient developed an autoimmune pancytopenia about a month after starting TPO-RA and in addition to eltrombopag received steroid and rituximab with blood count improvement. After a median follow up of 21,1 months (range 0,4-64,7 months) 16 patients (89%) are still on therapy maintaining response. As regards safety, gastrointestinal side effects were rare and low grade; only one patient discontinued eltrombopag after few weeks, because of dizziness. One patient had a relapse of deep venous thrombosis while no major bleeding complications were observed. Our real-life single center experience confirms efficacy and safety of eltrombopag as second line treatment in chronic ITP patients.
Glucocorticoid treatment is the standard initial therapy for patients with immune thrombocytopenia (ITP). Despite a rate of 60-80% of initial remissions, only 30 to 50% of adults have a sustained response after discontinuation. Second line options are splenectomy, thrombopoietin-receptor agonists (TPO-RAs), rituximab and intravenous immunoglobulin. Third line treatments include a mix of immunosuppressive drugs (e.g. azathioprine, ciclosporin, etc.). Recently international guidelines have proposed a treatment algorithm formalizing TPO-RAs and splenectomy as second and third line respectively, confirming splenectomy as second line choice only in emergency. Here we present a single center observational retrospective study of eltrombopag as second line treatment. We evaluated 48 adult primary chronic ITP patients since 2003. Forty-four out of 48 patients received a first line treatment with glucocorticoids. Twenty-two (61%) patients needed a second line treatment: 18 received eltrombopag, 3 a second course of steroid and one patient underwent splenectomy. Every patient before starting eltrombopag or receiving splenectomy underwent bone marrow examination. Overall response rate to eltrombopag was 94% with a CR rate of 76% and a PR of 23%; only one patient was non responder, underwent splenectomy and received subsequent treatment with rituximab, romiplostim and cyclosporin obtaining CR. One patient developed an autoimmune pancytopenia about a month after starting TPO-RA and in addition to eltrombopag received steroid and rituximab with blood count improvement. After a median follow up of 21,1 months (range 0,4-64,7 months) 16 patients (89%) are still on therapy maintaining response. As regards safety, gastrointestinal side effects were rare and low grade; only one patient discontinued eltrombopag after few weeks, because of dizziness. One patient had a relapse of deep venous thrombosis while no major bleeding complications were observed. Our real-life single center experience confirms efficacy and safety of eltrombopag as second line treatment in chronic ITP patients.
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The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...