Article: Current evidence and the emerging role of eltrombopag in severe aplastic anemia.
Therapeutic advances in hematology
2021 Volume 12, Page(s) 2040620721998126
Abstract: Acquired aplastic anemia (AA) is characterized by a reduced stem cell reserve. Several preclinical studies have confirmed the beneficial effect of thrombopoietin (TPO) on the expansion and maintenance of hematopoietic stem cells (HSCs). Thus, TPO ... ...
| Abstract | Acquired aplastic anemia (AA) is characterized by a reduced stem cell reserve. Several preclinical studies have confirmed the beneficial effect of thrombopoietin (TPO) on the expansion and maintenance of hematopoietic stem cells (HSCs). Thus, TPO receptor agonists seem to be an ideal therapeutic agent for AA to augment marrow function. First studies with eltrombopag as a single agent at 150 mg/day showed an overall response rate of 40-50% in patients with refractory severe AA (rSAA). Subsequent studies examined the first-line use of eltrombopag together with horse antithymocyte globulin and cyclosporine, reaching response rates up to 94%. Although used at high doses, known adverse events in the form of skin, gastrointestinal, or hepatic impairment are feasible in AA, however first data show a relatively high rate of clonal evolution in the form of karyotypic aberrations in patients with rAA. Nonetheless, there is a strong rationale that eltrombopag can contribute to restoring hematopoiesis in SAA by stimulating HSCs. Further studies are needed to decide if eltrombopag is clearly superior to current established treatments and to determine optimal treatment duration, dosage, and long-term effects. |
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| Language | English |
| Publishing date | 2021-03-03 |
| Publishing country | England |
| Document type | Journal Article ; Review |
| ZDB-ID | 2585183-4 |
| ISSN | 2040-6215 ; 2040-6207 |
| ISSN (online) | 2040-6215 |
| ISSN | 2040-6207 |
| DOI | 10.1177/2040620721998126 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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