Umbilical cord blood transplantation from unrelated HLA-matched donor in an adult with severe aplastic anemia.
A 23-year-old male suffering from severe aplastic anemia (SAA) weighing 60 kg was successfully treated by unrelated allo-CBSCT (cord blood stem cell transplantation). A six-loci HLA-identical umbilical cord blood (UCB) was infused after conditioning with low-dose cyclophosphamide (CTX) and antilymphocyte globulin (ALG). The prophylaxis of GVHD consisted of CsA and MTX. The infused cord blood provided 1.89 x 10(7) nucleated cells per kg, CD34-positive cells: 0.89%. Neutrophils >0.5 x 10(9)/l were reached 10 days after transplant, and platelets greater than 50.0 x 10(9)/l at day 26. RBC and platelet transfusion independence were reached on days 15 and 18. The patient developed grade 1 skin GVHD 10 months after engraftment of the donor cells. Microsatellite DNA fingerprinting indicated a stable and persistent donor-recipient mixed chimerism, whilst the circulating red cells remain of host origin.
Mao
P
P
Department of Haematology, First Municipal People's Hospital, Guangzhou, China.
Liao
C
C
Zhu
Z
Z
Wang
H
H
Wang
S
S
Xu
Y
Y
Mo
W
W
Ying
Y
Y
Li
Q
Q
Liu
B
B
D000328:Adult; D000741:Anemia, Aplastic / Q000628:therapy*; D005312:Fetal Blood / Q000166:cytology*; D006086:Graft vs Host Disease / Q000209:etiology; D018380:Hematopoietic Stem Cell Transplantation; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D014184:Transplantation, Homologous