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[Successful treatment of secondary graft failure after allogeneic stem cell transplantation for aplastic anemia with eltrombopag].

Herein we report a case of successful treatment of secondary graft failure due to poor graft function (PGF) using eltrombopag. A 25-year-old woman with aplastic anemia (stage 3) underwent allogeneic bone marrow transplantation (BMT) from her HLA-matched brother. Neutrophil engraftment was achieved on day 17, but she remained dependent on platelet transfusion. Chimerism analysis showed complete donor type, but she also became dependent on red blood cell transfusion later. Eltrombopag was administered on day 253 after BMT, after which she exhibited hematopoietic recovery, resulting in the withdrawal of transfusion dependency. Blood counts continued to be stable after eltrombopag was discontinued. The use of eltrombopag enabled outpatient treatment and induced hematopoietic recovery without significant side effects. Eltrombopag may be an effective and safe option for PGF after BMT.