Abstract:
:A 56-year-old woman with acute myelomonocytic leukemia underwent myeloablative allogeneic hematopoietic stem cell transplantation (allo-SCT) from a matched unrelated donor in her first complete remission (CR). Veno-occlusive disease (VOD) prophylaxis consisted of low-dose heparin and ursodeoxycholic acid. Graft-versus-host disease (GVHD) prophylaxis comprised tacrolimus and short-term methotrexate. On day 14, VOD developed, but gradually resolved with supportive therapy. On day 58, she showed grade II acute GVHD, but this resolved spontaneously. On day 140, she developed hematological relapse with 40.2% marrow infiltration of CD33-positive blasts. Following the discontinuation of tacrolimus, gemtuzumab ozogamicin (GO) was administered. After GO administration, the patient exhibited mild VOD and severe pancytopenia with a sustained high fever for 6 weeks without evident infection. Bone marrow examination revealed severe hypoplastic marrow with 1.3% blasts 4 weeks after GO administration. Although transfusion-dependent pancytopenia persisted for 8 months after GO administration, bone marrow examination revealed the recovery of normal hematopoietic cells with 0.8% blasts. The patient has remained in CR with incomplete blood count recovery for 7 years following GO administration. Although the standard treatment for acute myeloid leukemia relapse after allo-SCT still remains to be established, GO may be a promising option.
journal_name
Int J Hematoljournal_title
International journal of hematologyauthors
Sumi M,Ichikawa N,Nasu K,Shimizu I,Ueki T,Ueno M,Kobayashi Hdoi
10.1007/s12185-009-0440-0subject
Has Abstractpub_date
2009-12-01 00:00:00pages
643-647issue
5eissn
0925-5710issn
1865-3774pii
10.1007/s12185-009-0440-0journal_volume
90pub_type
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